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whitebark raspberry seeds

Rubus leucodermis Blue Raspberry seeds

This North American raspberry bears deep purple-black colored raspberry fruits. The fruits are edible.

germination instructions Rubus leucodermis – Blue Raspberry:

Please use for sowing Jiffy 7 Peat Pellets, soak them in water and put in a plastic pot.
Alternatively, normal seed substrate could be used as well.

Sow the seeds on the peat pellets and cover the seeds with a thin layer of peat (about 2 mm).

Then put the plastic pot in a ziplock bag – with a pot size of 6 cm , a ziplock bag of size 12 x 17 cm is recommended . Fill in the ziplock bag as much tap water with a few drops of universal fertilizer, so that after the absorption of the substrate a few mm of water remain on the bottom. Then close the ziplock bag – Ready!

More watering is not required because no moisture evaporates through the ziplock bag .

Location: on the windowsill or in a small greenhouse in partial shade, daytime temperatures at about 75-83 F, somewhat lower at night at 68-75 F. The resulting micro-climate provides ideal conditions for germination.

This North American raspberry bears deep purple-black colored raspberry fruits. The fruits are edible.

Rubus leucodermis seeds (Blackcap Raspberry)

Description

Canada only due to CFIA export restrictions.

Self fertile. PNW native shrub with berries delicious enough to get into a “fisticuffs” with the local bear. Taste is reminiscent of thimble berry with a touch of blackberry. Darkest purple-almost black fruit are borne on second year canes so keep this in mind when pruning. Gorgeous near white bark. Wicked thorns rank close to Rosa rugosa for prickliness but that’s Mother Nature’s way of rewarding the bold. Prefers average well drained soils and full hot sun.

  • Seed Count: 35-40
  • Collection Date: June 2020
  • Hardiness Zone: 5-9
  • Height and Width: 2m x 2m
  • Germination test type: float
  • Family: Rosaceae

How to germinate Rubus leucodermis seeds:

Soak seed 12-24 hours in warm water, mix with a little sand to sow thinly and evenly onto a humus rich medium. Barely cover with a layer of humus and mist well. Cold stratify at 3-5C for 4-5 months then give 15-20 C to germinate. Be aware that the small seedlings cannot break through crusted soils so keep the medium surface loose via mulch. Seedlings do best in a shady cool location in their first year. Do not let the medium dry out for the first year.

Delicious darkest purple-almost black fruit are borne on second year canes so keep this in mind when pruning. Gorgeous near white bark. Full sun.