Hydroponic Weed Seeds

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A Beginner’s Guide To Grow Hydroponic Cannabis Seeds The magical cannabis plant is known by different names, but the one that stands out the most is ‘weed.’ It gets the name from its uncanny Since hydroponics systems aren't as forgiving as soil, it’s best to start with cannabis strains that have solid genetics. Fail-Proof Guide to Germinating Seeds in Hydroponics Plus, How to Care for Hydroponic Seedlings… We have a cannabis seedling germination page which has everything you need to know about all

A Beginner’s Guide To Grow Hydroponic Cannabis Seeds

The magical cannabis plant is known by different names, but the one that stands out the most is ‘weed.’ It gets the name from its uncanny ability to grow easily under varying conditions. It has led to the popularity of a new gardening style of cannabis called hydroponics. Everyone from beginners to cannabis experts is trying this unconventional method on account of its many benefits. While some people prefer growing cannabis in soil, there is a whole class of growers known as hydroponic cultivators.

Are you planning to use hydroponic to grow cannabis seeds? Do you wonder where you can begin? Here is a complete guide on cultivating hydroponic cannabis as a beginner.

What is Hydroponic?

Before delving deeper into cultivating hydroponic cannabis seeds, do you know what it is? Hydroponic comes from the word ‘hydroculture,’ which essentially means growing plants in the absence of soil. Hydroponic cultivation involves growing cannabis plants in nutrient solutions, ideally with a medium like gravel or coco coir, to offer support. While people often use a medium, hydroponic cannabis seeds can grow from nutrient-rich water, with roots submerged into it.

With hydroponic methods, the cultivators can control the plant’s growth by merely evaluating the water and altering its nutrients. Plenty of nutrients are available in the market today, designed specifically to help you grow cannabis seeds. Much like soil, they have additives that can adjust the pH level of water, so you don’t have to take meter readings or make necessary changes.

You can grow any cannabis strain with hydroponic. If you are looking for something to boost creativity and social energy, you can try the fruit punch strain. But if you need a relaxing effect from cannabis, opt for the white widow strain.

Benefits of Using a Hydroponic System

Hydroponic methods have emerged as a popular method of sustainable cultivation. It offers a wide range of benefits that make it a popular choice among cannabis growers. Here are a few benefits of using hydroponic cannabis seed cultivation:

1. Fast Growth

When cannabis plants are grown into the soil, they have to seek out nutrients from it actively. With the hydroponic system of cultivation, nutrients are delivered right into the roots of the plants. They can use this reserved energy on growing plants and leaves, helping them grow at a much faster pace.

2. More Yield

If there’s one thing that every cannabis cultivator wants, it is more yield. And this method can provide you with just that. Growing cannabis hydroponically will allow you to harvest large quantities of the herb. In this case, you can quickly get 20-30% more yield than the traditional methods of cultivation because you will require less space for each plant.

3. Increased Hygiene

Soil can easily attract pesky little creatures that can hamper your plants. Since hydroponic systems are sterile, there are fewer chances of soil-borne diseases and pests with the soil. You can get healthier and more robust plants with fewer issues during the entire cultivation journey on account of the highly hygienic environment. With this method, you can also let go of pruning the plants’ worries since there won’t be any overgrown weeds. Now you can order weed online in Canada and get the most out of it.

4. Full Control

People often tell beginners that soil is the most forgiving medium to grow cannabis. It implies that they can fix their mistakes quickly and without harming the plants. But, in reality, it can be challenging to control the nutrients of the soil precisely.

It isn’t right in hydroponics since the cultivator has complete control over the water medium in which the plants are growing. They can easily make changes to it to establish the best possible medium for cannabis plants.

Various Types of Hydroponic Systems

When it comes to hydroponic systems, the choices you get are staggering. There are many different systems available today, and it can become challenging to pick the right one. Before you begin with it, it is essential to understand them and then choose the right one.

Here’s your guide to different hydroponic systems that you can use for cannabis seeds:

1. Deep Water Culture

Deep Water Culture, also popularly known as DWC and reservoir method, is a common way of hydroponically growing cannabis seeds. It is a relatively easy method, making it suitable for beginners. They are affordable and can guarantee you the fast growth of plants.

It gets the name from the fact that the plants’ roots are completely submerged in the solution. The method involves a simple tank and a pump that supplies a nutrient solution by filling the grow tray periodically. Besides that, airlock ensures a proper supply of oxygen for your cannabis plants. With this method, you have to clean the tray and reservoir carefully to keep the environment hygienic.

2. Aeroponics

Aeroponics is the most advanced and advantageous method of hydroponics available today. As the name suggests, this method involves hanging the plants’ roots in the air. With that, it doesn’t require a medium. Instead, it involves a smart supply of the nutrient solution, which makes it useful. The answer is misted on the roots, which hang in the air. It allows the roots to absorb the solution effortlessly while remaining oxygenated.

The innovative configuration makes it impossible to lose any water to evaporation, and you can easily control the humidity level. Your hydroponic cannabis seeds can grow ten times faster with this method when compared to conventional methods. Cultivators are innovating further and using vertical aeroponics known as tower gardens.

3. Ebb and Flow

If you are a beginner, another method suitable for you is the Ebb and Flow method. It can be set up and used very quickly and involves a reservoir placed under the growing tray. The soilless growing medium and cannabis plants are put in the grow tray. The medium becomes an anchor for the roots of the plant while providing support.

In this method, the medium gets made from highly-porous materials to retain both air and water. You can easily customize the irrigation level to get the desired results.

4. Continuous Flow

The most commonly used hydroponic cannabis cultivation system is the continuous flow method. It involves any technique that provides a continual flow of nutrients to plant roots. But, there are two major types of constant flow hydroponics. They are:

  1. Drip irrigation releases a well-controlled dosage of water and nutrients, drop by drop, to the cannabis plants. Drip irrigation can minimize water loss to evaporation and help people who have a limited water supply.
  2. Nutrient film technique: This method is similar to drip irrigation, but the slight tilt ensures proper supply.

How to Grow Cannabis Seeds with Hydroponic?

Now that you are well-versed with the basics of hydroponics, it is time to implement it for cannabis seeds. Read to find the list of things you need to grow cannabis using hydroponic methods:

1. Lighting System

The hydroponic system needs similar lighting as soil-grown cannabis plants. While you can use the same light bulbs for the entire growing period, you can get a Metal Halide bulb in the vegetative stage, a High-Pressure Sodium lamp in the flowering stage. For indoor cultivation, you can also use LED lights.

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The lights you use can also depend significantly on the size of your garden. Once you have set up the lighting, place germinated cannabis seeds into pots or buckets.

2. Growing Mediums

When the seeds sprout, you can place them into a growing medium. The medium offers mechanical support to the plants, which is essential for their growth. There are many types of mediums available like:

  • Rockwool
  • Lava rocks
  • Clay pebbles
  • Perlite
  • Coco coir

3. Right Pot

It is essential to get the right pot as it can decide how much the plants will grow. A large pot will encourage your cannabis plants to grow larger, whereas a small pot will help contain their size and keep it manageable.

4. Grow Table

The one piece of equipment that will occupy most space in your growing area is a grow table. The table and the tray help contain and then return all the excess water to the reservoir. It will have a low point where all the water collects and goes back to the reservoir before it goes to the cannabis plants. The reservoir is the tank that circulates water through the hydroponic system, and its size must depend on the size of your growth.

5. Nutrients

You can get nutrients for cannabis plants in both powder and liquid form. The nutrients you use must contain nitrogen, potassium, phosphorus, magnesium, and calcium. If you plan on getting organic flowers, use organic nutrients.

6. Other Equipment

Besides that, you may need a few other ingredients like:

  • Air pump
  • Airstone
  • Water pump
  • pH and PPM meters
  • Tubing
  • Dripline emitters

Final Thoughts

If you are interested in growing cannabis, you may have already heard of the term ‘hydroponic.’ This style of cultivating the green herb is becoming increasingly popular as it improves the yield and speed of growth. More than efficient, growing cannabis with a hydroponic system can be fun and enlightening as you learn a new cultivation method. If you are a cannabis enthusiast and plan on growing cannabis, it is time to start with the hydroponics system.

The best cannabis seeds for hydroponics growing

However, it’s only recently that more cannabis growers are switching from soil to hydroponics setups. While these soilless methods aren’t super forgiving, they have the potential to produce bigger yields in a shorter time.

Since hydroponics requires a steeper learning curve, new cultivators must carefully consider which strain to grow before experimenting with this growing method. Starting with the right hybrid could save you a lot of headaches as you’re growing your herbs hydroponically.

What are the best cannabis seeds for hydroponics?

Since hydroponics systems aren’t as forgiving as soil, it’s best to start with strains that have solid genetics. While there’s no particular hybrid that’s perfect for hydroponics, beginner-friendly cultivars tend to work well in these units.

In general, when shopping for hydroponics cannabis seeds, look for strains that have a relatively low difficulty. This simple strategy should increase your odds of success.

Northern Lights

  • Often categorized as indica
  • Height: 3.5 – 5 feet
  • Time: 8 – 9 weeks

Blue Dream

  • Often categorized as hybrid
  • Height: 6.5 – 8 feet
  • Time: 8 – 9 weeks

White Widow Autoflower

  • Often categorized as hybrid
  • Height: ~ 2 feet
  • Time: 8 – 9 weeks

Gorilla Glue #4

  • Often categorized as hybrid
  • Height: 5 – 6 feet
  • Time: 9 weeks

Here’s a more in-depth look at the best cannabis seeds for hydroponics and what makes them unique.

Northern Lights

  • Autoflower: No
  • Often categorized as indica
  • Feminized
  • THC: 22%
  • CBG: 1%
  • Height: 3.5 – 5 feet
  • Time: 8 – 9 weeks
  • Caryophyllene, humulene , limonene, terpinolene

Northern Lights is every insomniac’s favorite indica. Not only is this earthy strain celebrated amongst medical cannabis patients, it’s an excellent choice for new cultivators.

Since Northern Lights is considered a full indica variety, it’s quite sturdy and doesn’t grow super tall. Within about 8 – 9 weeks, you should be ready to harvest these dense nugs from your hydroponic unit.

Blue Dream

  • Autoflower: No
  • Often categorized as hybrid
  • Feminized
  • THC: 19.2%
  • CBD: 0.1%
  • Height: 6.5 – 8 feet
  • Time: 8 – 9 weeks
  • Terpenes: Myrcene, beta-caryophyllene, and alpha-pinene

Blue Dream isn’t just a “dream” to toke; it’s pretty easy to cultivate. Indeed, a significant reason this Haze hybrid spread so rapidly has to do with its strong genetics.

As long as you’re comfortable with basic cannabis cultivation, it’s not too challenging to grow Blue Dream in a hydroponics unit. After about 8 – 9 weeks of cultivation, you’ll be rewarded with sweet, colorful nugs that have incredibly well-balanced effects.

The only downside of growing Blue Dream indoors is that it can get pretty tall. Ideally, you should know training techniques like LST to keep Blue Dream’s buds in check.

White Widow Autoflower

  • Autoflower: Yes
  • Often categorized as hybrid
  • Feminized
  • THC: 19%
  • CBD: ≤ 1%
  • Height: ~ 2 feet
  • Time: 8 – 9 weeks
  • Terpenes: Limonene, terpinolene, and beta-pinene

The original White Widow cultivar isn’t too tricky to grow, but using the autoflowering variety in a hydroponics unit is even easier. Since these strains flower without a change in light schedule, they don’t require as much skill as regular cannabis strains.

If you’re new to hydroponics, it’s best to go with well-reviewed auto strains like White Widow. Sure, the final result may not be as intense as the original, but this White Widow has plenty of pungency and head buzz effects. Plus, there’s a greater chance Auto White Widow will absorb a few minor mistakes.

Gorilla Glue #4

  • Autoflower: No
  • Often categorized as hybrid
  • Feminized
  • THC: 21.3%
  • CBG: 0.5%
  • Height: 5 – 6 feet
  • Time: 9 weeks
  • Terpenes: Beta-caryophyllene, limonene, and myrcene

Gorilla Glue #4 is one of a few award-winning strains that seem to perform better in hydroponics units. Arguably, this mainly has to do with GG4’s higher-than-average watering requirements.

Since hydroponics plants have direct access to water, there’s less risk of under or overwatering this flower. This easier access to water may also reduce GG4’s heightened risk for hermaphroditism.

Anyone who loves sedative indica hybrids with diesel and chocolate aromatics should add GG4 to their hydroponics plan.

What is growing marijuana in hydroponics?

The term hydroponic refers to cultivating plants without soil and literally means “water-working” coming from the Greek words “hydro” meaning water and “ponos” meaning labor. 3

There are many different hydroponics setups on the market, but none rely on soil as a grow medium. Instead, these systems use water, air bubbles, and store-bought nutrients to supply the cannabis plant’s roots with everything they need.

Some hydroponics systems also use pH-corrected inert mediums to stabilize roots. A few of the most commonly used inert products include clay pebbles, coco coir, and Rockwool. 4

Since the roots in hydroponics systems are exposed, they can absorb nutrients faster. On the positive side, this means plants will grow more quickly as they don’t have soil as a buffer. However, this lack of “buffer space” means there’s less room for error. 5

Here’s an overview of the most popular hydroponics systems for cannabis:

  • Deep water culture: plant roots touch stagnant water in a bucket with an airstone for oxygen.
  • Ebb and flow: water and nutrients from a reservoir push through containers with cannabis at pre-set intervals.
  • Drip irrigation: nutrient-rich water “drips” into cannabis plants’ roots, which are suspended in containers with inert materials.
  • Aeroponics: cannabis strains sit in chambers where they get sprayed with nutrient-rich mist at regular intervals.

How do you grow cannabis hydroponically?

Growing cannabis hydroponically is similar to using soil, but it requires more diligence on the part of the grower.

No matter which hydroponic system you use, it won’t hide mistakes as well as soil. Hydroponics growers have to be extra careful about factors like pH level, temperature, and nutrient feeding to ensure their girls grow nice and healthy. 6

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Generally, hydroponics growers need to maintain a slightly acidic pH in the water at around 5.5 – 5.8. It’s also imperative for ambient temperature to remain between 73° F – 83° F and water temp to be at ~ 68° F. 7

Speaking of water, you’ll need to monitor the water for signs of algae. This is especially true if you’re using Deep Water Culture, since water in this system doesn’t constantly circulate. 8

When using hydroponics, it’s important to invest in macro and micronutrients for your flowers. Since plants can’t absorb as many nutrients from plain water, you’re going to have to add more to your reservoir at regular intervals.

Just be sure to avoid the temptation to overfeed your plants. Yes, hydroponics units need more nutrients, but it’s still better to underfeed rather than risk “nutrient burn.”

Do you need special cannabis seeds for hydroponics?

Some strains may perform better in hydroponics units, but there aren’t “special seeds” for hydroponics. You could grow any cannabis strain you like in any hydroponics setup.

The key determinant for success is your comfort in growing a chosen cannabis strain. If you have a lot of experience with a particular hybrid, chances are you’ll have an easier time adjusting to a new hydroponics system.

Should you grow cannabis with soil or hydroponics?

There are endless debates over the benefits and drawbacks of soil versus hydroponics. However, most cultivators agree that hydroponics has a higher learning curve. So, if you’re new to cultivating cannabis, it’s probably best to master your favorite strains in soil before dabbling with hydroponics.

While hydroponics usually rewards growers with faster and bigger yields, they require more attention to detail. Also, hydroponics are traditionally more expensive to maintain versus a DIY soil grow.

Of course, this doesn’t mean you can’t go straight into hydroponics if you want to take advantage of faster growing times. Just be sure to constantly monitor your grow room’s specs for a successful experience.

Is it worth the trouble to grow hydroponics cannabis seeds?

Hydroponics isn’t as simple as soil growing, but it’s the better option for indoor growers who want a greater ROI. Also, “control freak” cultivators often prefer adjusting variables like nutrients in hydroponics versus soil. If you’re interested in getting the biggest cannabis yields, it pays to learn more about hydroponics growing. While you could still get excellent yields with soil, hydroponics will always reward growers with the fastest and fattest flowers.

Fail-Proof Guide to Germinating Seeds in Hydroponics
Plus, How to Care for Hydroponic Seedlings…

We have a cannabis seedling germination page which has everything you need to know about all the different germination methods, but this tutorial is different. In this hydroponic seedling tutorial I’m going to share exactly how I do my seeds from beginning to end in a DWC/bubbleponics setup!

Just follow these instructions and you’ll end up with healthy, fast-growing plants that germinate in just a few days. It’s pretty much fail proof!

Learn How to Start Seedlings So You Can Grow Hydroponic Cannabis Plants Like This!

Supplies Needed

1.) Get Cannabis Seeds

There are a few different ways to get cannabis seeds, with the most common being ordering seeds online and growing seeds you find in weed that you buy. Learn how to research and find the right strain.

Here’s a picture showing several healthy and viable cannabis seeds

2.) Germination for Hydroponics

I’ve tried a bunch of different germination methods over the years, and the technique I prefer is for hydroponics is starting with the “Paper towel method” to germinate, putting the germinated seeds into Rapid Rooters, and installing the Rapid Rooters directly into reservoir. Lots of other germination methods as well, but this has worked best for me!

Paper Towel Method

This method is hard to mess up if you follow the instructions!

  1. Place your seeds inside a folded wet paper towel, and place it between two paper plates (or regular plates) so that they don’t dry out.
  2. Check on your seeds every 12 hours but try not to disturb them. When they’ve germinated, you’ll see the seeds have cracked and there are little white roots coming out.
  3. They should germinate in 1-4 days, though some seeds can take a week or longer (especially older seeds).
  4. Keep them warm if possible. One thing you can do to get seeds to germinate a little faster is to keep them in a warm place (75-80°F). Some people use a seedling heat mat but in most cases that’s unnecessary.

These seedlings were sprouted using the paper towel method!

3.) Place Germinated Seed in a Rapid Rooter

The Rapid Rooter should be cut open lengthwise

Gently place the germinated seed inside, root down

Most seedling plugs will go back into place easily, and you’ll barely be able to tell it’s been opened

4.) Prepare Hydro System for Its New Guest

If you haven’t put your hydroponic system together yet, now is the time! Make sure your pumps are all running, and that you’ve made a reservoir with seedling-strength nutrients. You need a home to put your new plants!

Hydro Tips & Hints

  • Air bubbles – have lots and lots of bubbles in your water reservoir. That means your air pump needs to be on all the time for the full grow. The main benefit of hydro is your plant roots are getting an unlimited amount of both water and oxygen. This is achieved by dissolving a lot of air into the water via an air stone and air pump. In order to get the fast growth, you want a lot of bubbles! A highly-oxygenated tank is also far less likely to get root rot, or suffer from other unwanted organisms growing in the reservoir! – This supplement contains a specific bacteria that was first found in rice paddies in Japan in the 40s! It’s been common in Asia for years but only in the last several years has it been available in the US from a company called Botanicare. I highly recommend, even insist, that all hydro growers get this cheap-but-effective supplement to keep plant roots healthy!
  • Add seedling level nutrients from the beginning. A lot of growers, especially soil growers, will tell you not to add any nutrients for the first few weeks of the plant’s life. That makes a lot of sense in soil, because there are lots of nutrients contained in the soil itself for your young cannabis seedling, and giving more right at the beginning can end up giving way too much for such a young plant. However, in hydro, the only nutrients your seedling gets is what’s in the water, plus what little was contained in the seed itself. Because of that, I highly recommend giving seedling-strength nutrients to your plants from when you first fill your reservoir. Seedlings grow a LOT faster with light levels of nutrients than if you only give plain, pH’ed water at first. from the beginning of your plant’s life to end the of your plant’s life

5.) Install Rapid Rooter and water the seedlings until roots reach the water reservoir – Turn on light to keep seedlings warm for best results!

Make sure to always keep the Rapid Rooter moist but not soaking wet.

If you have a top-feed, place the tube near the bottom of the net pot so the water isn’t soaking the seedling’s roots. You just want water dripping out the bottom so the root can use it for oxygen and water until it’s fully established in the reservoir.

Add your Rapid Rooter(s), and fill around the edges with extra clay pellets to hold each one in place.

Since your seed has already sprouted and been in placed into the right growing position, it’ll often pop its head out within just 12-24 hours! Sometimes you see just the leaves, but occasionally you actually see the seedling push the shell above ground. I keep the grow light on even before the seedling appears. It helps keep it warm and guide it toward the light.

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When this happens the shell usually falls off on its own as the seedling grows!

The Rapid Rooter in this picture is a little too wet, which makes the seedling prone to “damping off.” If you ever notice the Rapid Rooter actually looks wet or shiny, it’s too much water. Try turning the top-feed off every few hours, or hand-watering the seedling at first. Too much moisture can kill!

Don’t use a humidity dome on seedlings unless it’s very dry where you live. If you do use a dome, consider keeping a vent open and watching the humidity. A young seedling doesn’t require high humidity, and they tend to get “wet feet” and stop growing in constantly wet conditions.

Now that your seedling in in the tank, it’s time to learn how to….

6.) Take Care of Hydro Seedlings

Here are tips for taking the best care of hydroponic marijuana seedlings:

  • Leave roots alone as much as you can with young seedlings in a hydroponic setup. It takes them a little while to get all established in the tank, almost like a fish, and during that time seedlings are much more sensitive to their roots being touched or being moved around. If at all possible, try to let the seedling grow in the same place without being moved for at least a few weeks until you put them in their final home, or even just start them in their final home!
  • Avoid reservoir changes for a few weeks if you can – Going along with what I said before about leaving the roots alone, I’ve found that young seedlings often don’t respond well to reservoir changes. Instead of changing the reservoir, just top off with half-strength vegetative nutrient water until the plant is at least 3 weeks old. It won’t be using enough nutrients to mess with the ratios, and as long as you maintain the pH and use Hydroguard your young plant will be fine with being topped off.
  • Check the pH dailyto prevent nutrient deficiencies
  • Warm but not hot temperature– I recommend hydro growers aim for 75°F, and try to stay between 73-80°F.

These seedlings are a few weeks old, and the grower plans to move them all to the

This is a time-lapse video of a cannabis seedling sprouting and growing over 13 days.

Cannabis seedlings just getting their bearings – try to avoid moving or disturbing them until they are growing fast, with new leaves every day!

Big cannabis plants ready to switch to the flowering stage

I thought hydro plants liked it cold?

Just like in soil, cannabis plants in hydro tend to grow faster in relatively warm temperatures. This is a somewhat controversial statement because a lot of hydro growers prefer to keep their temperature lower in the grow space to help prevent root rot. In fact, there are some growers right now who are reading this and shaking their heads at me.

There’s good reason to believe that hydro plants would grow better with a cool reservoir. For example, the bad microorganisms that make root rot don’t survive well at lower temperatures. Additionally, water can physically hold more oxygen at lower temperatures, which seems like it would be great for faster plant growth. Because of this, lots of growers will AC their room to 60°F, and/or get a water chiller to cool their water reservoir to a similar temperature.

I do agree that if the temperature is above 80°F, your plant is a lot more likely to get root rot. However, I personally have not found that cool temperatures are adequate to prevent root rot. Even if the temperature is 60°F, you still need lots of bubbles and a “good bacteria” supplement like Hydroguard to prevent root rot in many cases.

I’ve seen several growers buy a water chiller and still get root rot. So I personally don’t believe cold temperatures are the best way to go to keep roots healthy.

The other reason I recommend to keep it warmer is because the plants just grow faster around 75°F in hydro. If your roots go from 60°F to 75°F, you’ll see the plants start growing faster in just a day or two, just like how plants in soil grow faster when it’s warm!

Just like in soil or coco, cannabis plants in hydro grow fastest when it’s a little warm, around 75°F!

Although there may be more oxygen dissolved in the water at lower temperatures, at least in my grow tent that apparently isn’t the limiting factor to growth, because plant growth speeds up at warmer temperatures.

I’ve found that if the grow space feels cool to you, it also feels cool to your plant most likely, and it may not be growing to its full potential. Some Sativa strains are particularly sensitive to the cold, though some Indica strains from cold climates will still thrive at lower temps.
Autopsy: Why Aren’t My Seeds Sprouting?

If your seeds still aren’t sprouting and growing properly, consider the following factors.

If there’s no germination at all…

  • Temperature may be too hot or cold – aim for 75-80°F
  • Too wet – seeds and seedling roots should always be moist, but should not stay wet
  • Too dry – if a root dries out the seedling can die!
  • Bad seeds – It might not be you, it could be the seeds themselves! How can I tell if seeds are viable?

If seeds sprout, but then stop growing…

  • Temperature is too hot or cold – aim for 73-78°F
  • Too wet – even though your plants are growing with root directly in water, new seedlings don’t like “wet feet”. They don’t like for it to be too wet near the seed for too long, so make sure your Rapid Rooter or growing medium nevers looks shiny or muddy, as that means there’s too much water! Young roots that stay too wet for too long start to get mushy and die. For this reason, it’s also usually recommended to avoid using a humidity dome with seedlings unless your air is dry. Although clones love humidity domes (they need water from the air because they don’t have any roots to get water), seedlings like it a little more dry or roots tend to get mushy.
  • Too dry – less common unless you live in a very dry area, but sometimes your medium dries out too fast if you’ve got a heavy-drinking, fast-growing seedling!
  • Too much light – if the seedlings get blasted with high levels of light right away, it can shock them. They may need some time to adjust to higher light levels. Simply starting your grow light a little further away that normal is usually enough.Think sunny window at first, and start ramping up after a week of healthy growth.
  • Not enough light – if seedlings are growing long and stretchy without growing new sets of leaves, it means it wants more light.
  • No light for more than a day – if the sprouted seed doesn’t get light within 24 hours after sprouting, it may die. Once seeds are sprouted, get them in a Rapid Rooter and under at least some amount of light as soon as possible!
  • Roots damaged – If somehow your roots got damaged, it can sometimes stop the seedling from growing

Unfortunately sometimes you will never know why certain seeds just don’t thrive! It’s all part of nature

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