USDA Zone 9 · Subtropical — rare frost, year-round growing
Zone 9 April Planting Guide
April in USDA Zone 9 brings warm, settled weather perfect for heat-loving crops and tropical ornamentals before summer's intense heat arrives. Get transplants and seeds in the ground now to establish strong root systems while temperatures are still manageable.
🌱 Plant now
Sweet Potatoes
Plant slips 12 inches apart in loose, well-drained soil — they'll thrive as summer heat builds.
Okra
Direct sow seeds after soaking overnight for faster germination in warm April soil.
Basil
Set out transplants in full sun now; pinch flower buds regularly to keep leaves productive all season.
Zinnia
Direct sow seeds in full sun for vibrant summer color and pollinator support with minimal water needs.
Pepper (Hot & Sweet)
Transplant into rich soil with consistent moisture — April's warmth jumpstarts fruiting before peak summer stress.
🚫 Avoid this month
Broccoli
Cool-season crop bolts rapidly in April's rising heat, producing bitter, unusable heads.
Spinach
Quickly goes to seed in warm Zone 9 April temperatures, making harvest nearly impossible.
Pansies
These cool-season annuals collapse and fade fast once daytime temps consistently exceed 80°F.
🐛 Pest alert
Aphid and whitefly populations explode in Zone 9 during April as temperatures warm — inspect the undersides of pepper, tomato, and basil leaves weekly. Introduce beneficial insects like ladybugs or apply insecticidal soap spray at first sign of infestation to prevent rapid colony buildup before summer.
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