Dahlia

60d to harvest

Velvety petals unfurl in a riot of color, each bloom holding its form like a jeweled rosette—bold, luminous, and unmistakably garden-bright. Dahlia tubers of this Garden Dahlia type reward attentive growers with abundant, showy flowers over a steady 60-day arc, with blooms that feel plush to the eye and lend a lush, sculptural presence to beds and borders. Ideal for spectacular cut-flower displays and long-lasting arrangements, this variety’s dramatic flowering habit makes it a standout choice for anyone seeking high-impact color all season long.

Crop Dates

Milestone	Date
Start Indoors	Direct Sow
Last Frost	May 19th
Transplant / Sow Outdoors	May 19th
Harvest Begins	Jul 18th
Harvest Ends	Sep 21st

Crop Details

Trait	Value
Days to Maturity	60
Sun Requirements	Full Sun
Growth Habit	Clumping
Support Needed	None
Planting Depth	Normal
Germination Temp (°F)	70
Min Soil Temp (°F)	60
Min Night Temp (°F)	40
Harden Off (days)	Not Required

Recommended Companions

Moonsong Deep Orange Marigold

Rose Rhapsody Salvia

Cut And Come Again Zinnia

Versailles Mix Cosmos

Psyche White Cosmos

Inca II Marigold

Frequently Asked Questions

How often should I water Dahlia pinnata during the main growing phase?

During active growth and bud formation, keep the soil consistently moist but not waterlogged—water deeply about 1–2 times per week depending on heat and rainfall. Aim for damp soil 5–8 cm down, and let the top 2–3 cm dry slightly between waterings to prevent tuber rot and fungal leaf diseases. Avoid wetting the foliage; water at the soil line to slow down mildew.

How do I know when Dahlia pinnata is ready to harvest for cut flowers?

Harvest when flower heads are fully colored and the ray florets are open, but before the centers become overly spent and shriveled. For best vase life, cut in the morning and choose blooms with firm petals that still look fresh in the center. If you’re growing for the longest season, continue cutting regularly to encourage more Dahlia blooms.