Siberian Pea Shrub Seeds

(Caragana aborescens) Zones 2 - 7.

The quintessential permaculture nitrogen fixer! This member of the pea family supports the plants around it by fixing nitrogen through its roots and adding high nutrient organic matter as mulch with the fall of its leaves.

A member of many permaculture guilds.

Shrubs can reach 10-15 feet tall.


Cold Hardiness: Zones 2 - 7

Edible: No

SizeMedium Shrub

Growth Rate: Medium - fast

Nitrogen Fixer: Yes

Native Plant: No

Germination: 80 - 90%

Sun Requirements: Full Sun - Partial Shade

Soil Preference: Average, well draining, but moist soil.



- Soak seeds 12 hrs. Follow with 30 days cold, moist stratification. For more information on stratification, check out our article "How To Stratify Your Tree Seeds".

*If you are doing the cold period in your fridge, please check on your seeds. 30 days is an estimate & they may sprout sooner.*

- Plant stratified seeds in pots or a nursery bed. Heat mats are NOT required & can hinder germination!

- Protect young tree seedlings from slugs, cutworms & rodents. Slugs especially can eat primary leaves as soon as they come up, so be vigilant! 


Available direct from Incredible Seeds, a Canadian Heirloom and Heritage Seed Company, offering only the best natural, non-GMO, open pollinated and untreated seeds, located in Mi'kma'ki / Nova Scotia.


  • $4.99

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