Planting calendar
July Planting Guide for San Diego Gardens: Raised Beds, Containers & In-Ground
In July, San Diego gardeners can focus on heat-tolerant vegetables and herbs suitable for raised beds, containers, and in-ground planting. This month is ideal for planting warm-season crops and starting fall vegetables indoors to prepare for cooler weather.
Plant now (quick list)
Tomatoes, Peppers, Eggplants, Basil, Okra, Sweet potatoes, Melons, Beans

Plant now
- Tomatoes
- Peppers
- Eggplants
- Basil
- Okra
- Sweet potatoes
- Melons
- Beans
- Cucumbers
Start indoors
- Broccoli
- Cauliflower
- Cabbage
- Kale
- Brussels sprouts
- Lettuce
- Spinach
- Collard greens
Avoid
- Peas
- Potatoes
- Carrots
- Beets
- Radishes
- Cool-season leafy greens outdoors
Next 2 weeks
- Monitor soil moisture closely to prevent heat stress
- Apply mulch to conserve moisture and regulate soil temperature
- Fertilize tomatoes and peppers to support fruit development
- Thin seedlings started indoors to ensure strong growth
- Check containers for adequate drainage
- Watch for pests like aphids and treat early
- Provide shade during peak afternoon heat if needed
FAQs
Can I plant cool-season vegetables outdoors in July in San Diego?
July is generally too warm for cool-season vegetables outdoors; start them indoors now to transplant in late summer or early fall.
How often should I water raised beds and containers in July?
Water raised beds and containers daily or as needed to keep soil consistently moist but not waterlogged, especially during hot spells.
Is it necessary to fertilize vegetables in July?
Yes, applying balanced fertilizer supports ongoing growth and fruit development during the peak growing season.
What are good companion plants for tomatoes in containers?
Basil, marigolds, and chives are excellent companions that can help deter pests and improve growth.
How can I protect my garden plants from the intense summer sun?
Use shade cloths during the hottest part of the day and apply mulch to reduce soil temperature and moisture loss.
Next steps
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