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Florists' Chrysanthemum
Scientific Name: Chrysanthemum morifolium L.
Synonym: Dendranthema grandiflorum
Family: Asteraceae

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Recommended Temperature Zone: sunset: 13-24 USDA: 9b-11, or grown as annual Frost Tolerance: Tender, damaged below 28°F (-2°C) Heat Tolerance: Afternoon shade in summer in Phoenix Sun Exposure: Full sun to light shade Growth Habits: Short lived bushy perennial, up 5 feet tall (1.5 m), 4 feet spread (1.2 m) Watering Needs: Regular water Propagation: Cuttings in spring.

Cultural Practices:
Plant 12 to 18 inches apart (30 to 45 cm) in the spring. Pinch frequently to keep the plants sturdy. Use a liquid fertilizer every 1 to 2 weeks. Keep only a couple of buds per cluster to have big flowers.

Blooming Habits:
The florists' chrysanthemums bloom naturally in the fall, but they are tricked to bloom at any other time of the year by using artificial day length, with the help of additional lighting or dark cloths