🌸 Dahlia

Dahlia pinnata
ornamentals tuberous perennial Asteraceae
Dahlia plant photo
☀️ Sun
full sun
💧 Water
moderate
🗺️ Zones
8-11
🧪 Soil pH
6.0-7.0
🪴 Soil Type
rich
🚿 Drainage
well-drained
📏 Spacing
12-36 in
📐 Height
1-6ft
⏱️ Maturity
90-120 days
Key:🤝 Grows well together❌ Keep apart☀️ Sun needs💧 Water🗺️ Hardiness zone

🤝 Companions (10)

Bush beans provide nitrogen; dahlias provide pollinator services
Both tall structural plants, different root zones
Good companion.
🤝 Cutting garden partners.
Good companion.
🤝 Deters
Deters nematodes at roots.
Good companion.
Good companion.
Good companion.
🤝 Vertical
Vertical contrast to round blooms.
Good companion.

⚠️ Keep Apart (3)

⚠️ Aggressive roots compete with tubers.
Incompatible.
Incompatible.
Susceptible to juglone toxicity from walnut trees

📝 Growing Notes

Lift tubers below zone 8. Stake tall types. Pinch at 12in.

🛒 Buy Seeds & Plants

Plot Buddies is reader-supported. When you buy through links on our site, we may earn an affiliate commission at no extra cost to you. This does not affect our plant recommendations. We only link to retailers we trust.