Oak Summit Nursery
Butternut Seeds
Butternut Seeds
Pack contains: 8 butternuts
Butternut (Juglans cinerea), also called White Walnut, is a slow growing tree native to eastern North America. This seed was collected in Manitoba.
The sweet oily nuts have deeply ridged shells inside sticky green husks that ripen and fall from September into October. Mature trees develop an open spreading crown, compound leaves, and light grey bark.
Butternuts can have deep dormancy. Some nuts germinate promptly in spring, while others need more time and may continue germinating into late summer.
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Starting this seed
- Cold4 monthsCold stratification
- SowAfter the cold stage
- Seed source
- Manitoba
- Hardiness
- Zone 3
- Mature size
- 40 to 60 ft
How to stratify seed
In the fridge. Put the seed in a bag with a damp medium such as peat moss, vermiculite, sand or coco coir. The medium is only there to hold moisture. Keep the bag in the fridge, above freezing, for the cold period shown, then sow.
Or outside. Sow the seed outdoors in the fall and let winter do the cold period.
The plant these seeds grow into
Cold hardinessZone 3 · Canadian maps for this plant
Zone 3 and warmer
The map shows minimum winter hardiness. Soil, moisture and summer warmth also affect how a plant grows.
About these maps
Climate: Natural Resources Canada, 1991–2020. Provincial distribution: VASCAN via retained botanical research. Province outlines: Natural Earth, public domain.
Open Government Licence – Canada
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