Oak Summit Nursery
Manitoba Butternut
Manitoba Butternut
Fall 2026 plant sale
Fall plant ordering opens in September. Shipping begins in October 2026.
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These Butternut trees were grown from locally collected Manitoba seed. Also called White Walnut, Juglans cinerea is a slow growing tree native to eastern North America with an open spreading crown.
The sweet oily nuts have deeply ridged shells inside sticky green husks that ripen and fall from September into October. The tree has compound leaves with serrated leaflets and light grey bark.
Cold Hardiness Zone: 3
Seed Source: Manitoba
Mature Size: 12 to 18 m
Fall 2026 plant sale
Plants are sold seasonally after nursery stock is counted. Fall ordering opens in September and shipping begins in October 2026. Add a reminder and we will email when this listing opens.
Manage this reminder with your saved products from the header.
Growing details
- Light
- Full sun
- Soil
- Loamy soil with good drainage
- Moisture
- Prefers moderately moist soil
- Soil pH
- 5.5 to 8
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