USDA Hardiness Zone 9 covers regions with an average annual extreme minimum temperature of -6.7°C to -1.1°C (20°F to 30°F).1
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Jul 28, 20261 min read
USDA Hardiness Zone 9 covers regions with an average annual extreme minimum temperature of -6.7°C to -1.1°C (20°F to 30°F).1