What it needs & gives back
↓ Needs
Lightfull sun to partial shade
Watermoderate to high
↑ Gives back
Mulch_biomassmedium
Nectarattracts pollinators
Through the year
Through the year
JFMAMJJASOND
emergenceDahlia tubers emerge after the last spring frost when soil temperatures consistently reach 15°C.
floweringFlowering typically begins 60-90 days after emergence, continuing through summer as days lengthen.
dormancyDahlia plants enter dormancy with the first autumn frost, signaling the end of the growing season.
Soil interactions
Drainagewell-drained
Nitrogen fixingNo
MycorrhizalNo
Accumulatespotassium, phosphorus
Soil textureloam, sandy_loam
Organic matterMedium
Compaction toleranceLow
Propagation
Methodstuber_division, seed, cuttings
Difficulty2 / 5
Establishes in~1 yr
Stratificationnone
Divisionspring
Wildlife & pests
Attractsbees, butterflies, other pollinators
Can host pestsslugs, snails, earwigs, aphids, spider mites, thrips
Can host diseasespowdery mildew, botrytis blight, dahlia mosaic virus