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flowerPerennialEdible
Dahlia
Dahlia pinnata
Also known as: ball dahlia, dinner plate dahlia
Showy summer-to-frost bloomer grown from tubers. Huge variety of flower forms and sizes. Edible tubers and petals.
Growing Requirements
SunFull Sun
WaterMedium
Soil Type
Soil Drainage
Soil pH
Plant Spacing18–24″
Row Spacing24–36″
Planting Depth4–6″
Height18–60″
Spread18–24″
✓ Container Friendly✓ Raised Bed Friendly
Planting Schedule
Start Indoors
4–6 weeks before last frost
Direct Sow (Spring)
1–9 weeks after last frost
Transplant Outdoors
1–9 weeks after last frost
Days to Harvest
90–120 days
Zone Suitability
USDA Hardiness Zones
1
2
3
4
5
6
7
8
9
10
11
12
13
Zones 3–11
Can overwinter in appropriate zones
Perennial in zones 8–11
Plant tubers with eye up. Dig and store tubers before hard frost in cold zones. Stake tall varieties.
Companion Plants
No companion data available for this plant yet.