Planting calendar
July Planting Guide for San Diego: Raised Beds, Containers & In-Ground Gardens
In San Diego's mild July climate, focus on heat-tolerant vegetables and herbs for raised beds, containers, and in-ground gardens. Plant warm-season crops now and prepare for fall planting by starting seeds indoors. Avoid frost-sensitive seedlings and monitor watering closely during this dry, warm month.
Plant now (quick list)
Tomatoes, Peppers, Eggplants, Basil, Okra, Sweet potatoes, Melons, Beans
Plant now
- Tomatoes
- Peppers
- Eggplants
- Basil
- Okra
- Sweet potatoes
- Melons
- Beans
- Corn
Start indoors
- Broccoli
- Cauliflower
- Cabbage
- Kale
- Brussels sprouts
- Lettuce
- Spinach
- Chard
Avoid
- Cool-season crops like peas
- Root crops sensitive to heat such as carrots
- Leafy greens that bolt quickly in heat
- Newly transplanted seedlings without shade
- Overwatering during hot weather
Next 2 weeks
- Transplant started brassicas outdoors in shaded spots
- Mulch around plants to retain moisture
- Begin succession planting of beans and corn
- Monitor for pests like aphids and caterpillars
- Adjust irrigation to prevent drought stress
FAQs
Can I plant lettuce in July in San Diego?
Lettuce tends to bolt quickly in July heat, so it's best to start it indoors now for transplanting in cooler months.
How often should I water my raised beds in July?
Water deeply 2-3 times per week, adjusting based on soil moisture and temperature to avoid both drought stress and overwatering.
What herbs grow well in containers during July?
Basil, oregano, thyme, and rosemary thrive in containers with full sun and regular watering in July.
Is it too late to plant tomatoes in July?
No, tomatoes can still be planted now in San Diego, but choose heat-tolerant varieties and provide afternoon shade if possible.
Should I fertilize my garden in July?
Yes, apply a balanced fertilizer or compost to support vigorous growth during the warm growing season.
Next steps
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