Dahlia

Dahlia
Bed G4 In Mike's garden

A tuberous perennial grown for large, showy summer-to-frost flowers in a wide range of colors and forms. Tubers are frost-tender — in cold zones lift and store over winter.

This planting · Bed G4

In this garden

Bloom timingLarge showy flowers, mid-summer until frost.
SunFull sun
Soilsandy loam, fast percolation
Water sourceSecondary
Hardiness hereZone 7
2026-05-26 planted
Planted · ~0 yrs
About dahlia

General information about the species — not specific to this planting.

At a glance

Sun
full sun (6+ hrs)
Water
moderate
Mature size
1-5 ft (varies by type) × 1-3 ft
Bloom
Large showy flowers, mid-summer until frost.
Pruning

Deadhead regularly for continuous bloom; pinch early for bushier plants. In Draper (zone 7) lift and store tubers after the first frost, or mulch heavily and risk overwintering.