What it needs & gives back
↓ Needs
Sunlightfull sun to partial shade
Watermoderate
↑ Gives back
Biomassmedium
Through the year
Emergence
Seeds germinate and seedlings emerge after the last spring frost and when soil temperatures consistently reach 100C.
Flowering
Flowering typically begins about 90 days after emergence, extending through the lengthening days of late spring and summer.
Fruiting
Fruiting follows flowering, with pods developing and maturing over approximately 90 days.
Senescence
Foliage begins to die back with the onset of the first autumn frosts.
Timing is relative to your local season (temperate Northern Hemisphere).
Soil interactions
Drainagewell-drained
Nitrogen fixingYes
MycorrhizalYes
Accumulatesnitrogen
Soil texturesandy, loamy
Organic matterMedium
Compaction toleranceLow
Propagation
Methodsseed, cuttings
Difficulty2 / 5
Establishes in~1 yr
Stratificationscarification
Self-seedingModerate
Wildlife & pests
Attractsbees, pollinators
Can host pestsaphids
Can host diseaseslupin anthracnose