Planting calendar
March Planting Guide for Dallas, TX: Raised Beds, Containers & In-Ground Gardens
March in Dallas is ideal for planting cool-season vegetables and starting warm-season crops indoors. Utilize raised beds, containers, or in-ground spaces to grow leafy greens, root vegetables, and herbs now, while preparing for summer favorites.
Plant now (quick list)
Lettuce, Spinach, Kale, Carrots, Radishes, Beets, Peas, Onions (sets or transplants)
Plant now
- Lettuce
- Spinach
- Kale
- Carrots
- Radishes
- Beets
- Peas
- Onions (sets or transplants)
- Potatoes
- Swiss chard
Start indoors
- Tomatoes
- Peppers
- Eggplants
- Basil
- Cucumbers
- Melons
- Squash
- Okra
- Corn
- Beans
Avoid
- Warm-season crops directly outdoors (tomatoes, peppers, eggplants)
- Tender tropical plants
- Late-season root crops (wait until cooler months)
- Frost-sensitive seedlings outdoors
- Overwatering newly planted seeds
Next 2 weeks
- Harden off indoor seedlings before transplanting
- Prepare soil with compost for warm-season crops
- Monitor nighttime temperatures for frost risk
- Continue planting cool-season crops
- Start trellises for peas and beans
FAQs
Can I plant tomatoes outdoors in March in Dallas?
It's best to start tomatoes indoors in March and transplant them outdoors after the last frost, usually in mid-April.
How often should I water raised beds in March?
Water when the top inch of soil feels dry, typically every 2-3 days, adjusting for rainfall and temperature.
Are peas a good crop to plant now?
Yes, peas thrive in the cooler temperatures of March and can be planted directly outdoors.
Should I fertilize my garden beds this month?
Incorporate balanced compost or a slow-release fertilizer before planting to support healthy growth.
How do I protect seedlings from late frosts?
Use row covers or cloches at night to shield young plants from unexpected cold snaps.
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