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Candle Delphinium, Candle Larkspur
Scientific Name: Delphinium elatum L.
Family: Ranunculaceae
Candle Delphinium, Candle Larkspur (Delphinium elatum)
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Recommended Temperature Zone:
sunset: 1-10, 14-24
USDA: 3-9

Heat Tolerance: Grown as winter annual in Phoenix

Sun Exposure: Full sun

Growth Habits: Perennial, from 3 to 6 feet tall (60-180 cm) depending on variety

Watering Needs: Regular to ample water

Propagation: Divisions, basal cuttings in spring, occasionally seeds

The Larkspurs commonly found in gardens are hybrids of Delphinium elatum. They flower from midspring to late spring in Phoenix, later in the rest of the country. The summer heats generally kill the larkspurs in May in Phoenix.

Cultural Practices:
The Larkspurs like a rather alkaline, humus-rich soil. Fertilize regularly, and mulch in summer. They are sensitive to mites, black spot and powdery mildew. In Phoenix, sow starting in September.

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