PlantsFlowers
Dahlia
Dahlia pinnata
Zone 6a garden plant. Hardy through a Chicago winter unless the note says to pot it.
Tender tubers for a hot summer show
ModerateFlowers
- Light
- Full sun
- Moisture
- Medium
- Mature size
- 2–4 ft
- Spacing
- 18 in
- Bloom or harvest
- Flowers Jul–frost
- How it spreads
- Tender tuber
- What to buy
- Tubers after frost, or started pots.
- When to plant
- Plant after May 15. Dig tubers after the first frost blackens the tops, and store them cool and dry.
In the design
Zone 6a does not leave them in the ground. If you won't dig, grow zinnias.
