What it needs & gives back
↓ Needs
Waterabundant, consistent
Shadepartial to full shade
↑ Gives back
Biomassmoderate
Through the year
Emergence
Emergence of new shoots in spring when soil temperatures rise above 10 C.
Flowering
Flowering occurs in early spring as days lengthen and temperatures are cool.
Fruiting
Fruit development follows flowering, typically maturing within 30-45 days.
Harvest
Rhizomes are typically harvested in late autumn or early winter, after 18-24 months of growth.
Dormancy
Wasabi enters a period of reduced growth or dormancy with the onset of colder temperatures and shorter days in autumn.
Timing is relative to your local season (temperate Northern Hemisphere).
Soil interactions
Drainageexcellent, consistent moisture
Nitrogen fixingNo
MycorrhizalNo
Soil texturesandy_loam, loam
Organic matterMedium
Compaction toleranceLow
Propagation
Methodsseed, rhizome_division, stem_cuttings
Difficulty3 / 5
Establishes in~1 yr
Stratificationcold_moist
Divisionspring
Wildlife & pests
Can host pestsslugs, snails, aphids
Can host diseasesclubroot