Planting calendar
April Planting Guide for San Antonio, TX: Raised Beds, Containers & In-Ground Gardens
April is an excellent month to plant warm-season vegetables and herbs in San Antonio, TX. Focus on planting tomatoes, peppers, and herbs directly in raised beds, containers, or in-ground gardens as the risk of frost diminishes. Also, start heat-loving crops indoors to extend your growing season.
Plant now (quick list)
Tomatoes, Peppers, Basil, Okra, Eggplant, Sweet potatoes, Cucumbers, Beans
Plant now
- Tomatoes
- Peppers
- Basil
- Okra
- Eggplant
- Sweet potatoes
- Cucumbers
- Beans
- Squash
- Melons
Start indoors
- Corn
- Pumpkins
- Watermelon (if not planted directly)
- Sunflowers
- Malabar spinach
- Sweet corn
- Chilies
- Herbs like cilantro and dill
Avoid
- Broccoli
- Cauliflower
- Brussels sprouts
- Cabbage
- Lettuce (due to heat stress)
- Spinach
- Peas
- Radishes
Next 2 weeks
- Monitor soil moisture closely, especially in containers
- Mulch raised beds to retain moisture and control weeds
- Harden off indoor seedlings before transplanting
- Start trellises for vining crops like cucumbers and melons
- Apply balanced fertilizer to support early growth
- Watch for pests like aphids and caterpillars
- Water deeply but infrequently to encourage strong roots
- Thin seedlings to prevent overcrowding
FAQs
Can I plant tomatoes directly in the ground in April in San Antonio?
Yes, April is generally safe to plant tomatoes directly outdoors as frost risk is minimal and soil temperatures are warm enough.
Should I start peppers indoors or plant outside in April?
Peppers can be planted directly outdoors in April, but starting them indoors earlier can give a head start for larger plants.
How often should I water raised beds and containers in April?
Water raised beds and containers deeply about 2-3 times per week, adjusting for rainfall and heat; containers typically dry out faster.
What vegetables should I avoid planting in April due to heat?
Cool-season crops like broccoli, cabbage, and lettuce may bolt or struggle due to rising temperatures and should be avoided.
Is mulching recommended for April planting in San Antonio?
Yes, mulching helps retain soil moisture, regulate temperature, and reduce weeds, which is especially beneficial as temperatures warm.
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