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April Planting Guide for San Jose, CA: Raised Beds, Containers & In-Ground Gardens

April is an ideal month to plant a wide variety of vegetables and herbs in San Jose, CA. Whether using raised beds, containers, or in-ground gardens, you can start warm-season crops and continue cool-season harvests. Focus on planting heat-tolerant greens, root vegetables, and herbs now to maximize your garden's productivity.

Plant now (quick list)
Tomatoes, Peppers, Basil, Zucchini, Lettuce, Carrots, Green beans, Cucumbers
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Plant now
  • Tomatoes
  • Peppers
  • Basil
  • Zucchini
  • Lettuce
  • Carrots
  • Green beans
  • Cucumbers
  • Spinach
  • Radishes
Start indoors
  • Eggplants
  • Melons
  • Corn
  • Okra
  • Pumpkins
  • Squash
  • Sweet potatoes
  • Chili peppers
Avoid
  • Broccoli
  • Cauliflower
  • Brussels sprouts
  • Cabbage
  • Kale
  • Peas
  • Potatoes
  • Garlic
Next 2 weeks
  • Transplant tomato seedlings outdoors after hardening off
  • Thin carrot and lettuce seedlings to prevent overcrowding
  • Mulch raised beds to retain moisture and control weeds
  • Start regular watering schedule as temperatures rise
  • Monitor for pests like aphids and apply organic controls if needed

FAQs

Can I plant tomatoes directly in the ground in April in San Jose?
Yes, April is a good time to transplant tomato seedlings outdoors in San Jose, as the risk of frost has passed.
Should I fertilize my raised beds before planting?
Yes, apply a balanced organic fertilizer or compost to enrich the soil before planting for best growth.
How often should I water container plants in April?
Water containers every 1-2 days, as they dry out faster than in-ground beds, especially as temperatures rise.
Is it too late to plant cool-season crops like broccoli in April?
It's best to avoid planting cool-season crops now, as warmer temperatures can cause them to bolt or struggle.
What pests should I watch for in April in San Jose gardens?
Common pests include aphids, whiteflies, and snails; early monitoring and organic treatments help prevent damage.

Next steps

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