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Palo Blanco, Willard's Acacia
Scientific Name: Acacia willardiana Rose
Family: Fabaceae

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Recommended Temperature Zone: sunset: 12-24 USDA: 9b-12 Frost Tolerance: Hardy to 23°F (-5°C) Heat Tolerance: Excellent Sun Exposure: Full sun Origin: Mexico (Sonora) Growth Habits: Graceful small tree to 15 to 20 feet tall (4.5-6 m), 10 to 15 feet spread (3-4.5 m); peeling bark revealing the white inner bark; very small leaves at the end of elongated petioles Watering Needs: Little water in Phoenix when established, no water in most other places Propagation: Seeds

Blooming Habits:
Creamy rods, 1.25 to 2.5 inches long (3 to 6 cm) in mid to late spring.