What it needs & gives back
↓ Needs
Lightfull sun to partial shade
Watermedium to high
↑ Gives back
Mulch_biomasshigh
Shadedense
Companions
Keep apart from
Through the year
Through the year
JFMAMJJASOND
emergenceBud break and leaf emergence typically occur after the last spring frost and when air temperatures consistently rise above 10°C.
floweringFlowering occurs shortly after leaf emergence, usually within two to three weeks.
fruitingFruit development follows flowering, with nuts maturing over the summer months.
harvestNuts are typically ready for harvest in late September to October, often after the first light frosts which help with hull splitting.
senescenceLeaves begin to senesce and drop with the onset of shorter days and the first autumn frosts.
dormancyThe tree enters dormancy after leaf drop, requiring a period of cold temperatures to fulfill its chill requirement for the following spring.
Soil interactions
Drainagewell-drained
Nitrogen fixingNo
MycorrhizalYes
Accumulatesmagnesium, potassium, calcium
Soil textureloam, sandy loam, clay loam
Organic matterHigh
Compaction toleranceMedium
Propagation
Methodsseed, grafting
Difficulty2 / 5
Establishes in~3 yr
Stratificationcold_moist
Self-seedingLight
Divisionnot_applicable
Wildlife & pests
Attractssquirrels, birds
Can host pestswalnut husk fly, codling moth
Can host diseaseswalnut blight, anthracnose