Sunset®: 4-31
USDA: 7b-10
Frost Tolerance: 5° F (-15° C)
Sun Exposure: Full sun to part shade
Origin: Western Mediterranean basin
Growth Habits: Clumping palm tree, growing slowly to 20 feet high (6m), trunks 4 to 5 inches in diameter (10-12 cm), covered with fibrous dead leaf petioles; triangular, fan-shaped blue-grey to green leaves 12 to 24 inches long and wide (30-60 cm) with spiny petioles
Watering Needs: Regular water in summer improves growth, fairly salt resistant
Propagation: Seed, possible by the numerous offsets, but might not be worth the trouble
Propagation:
The fruit is oval, 0.6 to 1 inch long (1.5-2.5 cm), reddish brown when ripe. The seeds take 6 weeks to germinate.
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