What it needs & gives back
↓ Needs
Sunlightfull sun to partial shade
Watermoderate to high
↑ Gives back
Biomassmedium
Companions
Through the year
Emergence
Emergence of new shoots in early spring after the last frost and when soil temperatures consistently reach 5°C.
Flowering
Flowering typically occurs about 60 days after emergence, producing tall flower stalks.
Harvest
Stalks are ready for harvest from mid-spring to early summer, approximately 45 days after emergence, lasting for about 90 days.
Senescence
Foliage begins to die back with the first autumn frosts.
Dormancy
Enters dormancy after senescence, remaining dormant through winter until spring.
Timing is relative to your local season (temperate Northern Hemisphere).
Soil interactions
Drainagewell-drained
Nitrogen fixingNo
MycorrhizalNo
Accumulatespotassium, calcium
Soil textureloam, sandy loam
Organic matterMedium
Compaction toleranceLow
Propagation
Methodsseed, division
Difficulty2 / 5
Establishes in~1 yr
Stratificationcold stratification for 2-4 weeks
Self-seedingLight
Divisionearly_spring_or_autumn
Wildlife & pests
Can host pestsrhubarb curculio, slugs, snails
Can host diseasescrown rot, leaf spot