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Scientific Name: Dahlia hybrida
Family: Asteraceae
Dahlia (Dahlia hybrida)
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Dahlia 'Bishop of LLandaff' in New York Botanical Garden
Recommended Temperature Zone:
sunset: All zones
USDA: All zones

Frost Tolerance: Semi-tender in Phoenix, new growth is frost sensitive and the plants does better in a protected area, or with frost protection on the coldest nights

Heat Tolerance: Afternoon shade needed in Phoenix

Sun Exposure: Full sun to light shade

Origin: Mexico and Guatemala

Growth Habits: Perennial, up to 5 feet tall depending on variety

Watering Needs: Regular to abundant water, with good drainage.

Propagation: Division, seeds

Although not commonly seen in the Phoenix area, Dahlias grow here. They need a fair amount of water, and they will be smaller than in a more humid climate, but they can still be enjoyable. Actually, a fair number of animals seem to find them enjoyable, particularly slugs. Protect the young shoots.
Dahlia (Dahlia hybrida)

Cultural Practices:
Beware of slugs and snails!

Sow seeds at 60F (16C), they take a week to germinate. Plant 8 week old seedlings 1 foot apart (30 cm), after the soil has warmed up. Feed regularly with liquid fertilizer.

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