Planting calendar
June Planting Guide for Washington, DC: Raised Beds, Containers, and In-Ground Gardens
In June, Washington, DC gardeners can focus on warm-season crops and herbs suitable for raised beds, containers, and in-ground planting. This month is ideal for planting heat-tolerant vegetables and continuing to nurture early summer crops. Avoid frost-sensitive plants that need cooler starts and prepare for mid-summer heat stress.
Plant now (quick list)
Tomatoes, Peppers, Eggplants, Bush beans, Sweet potatoes, Okra, Basil, Cucumbers
Plant now
- Tomatoes
- Peppers
- Eggplants
- Bush beans
- Sweet potatoes
- Okra
- Basil
- Cucumbers
Start indoors
- Fall broccoli
- Fall cabbage
- Fall cauliflower
- Kale
- Collard greens
- Brussels sprouts
Avoid
- Peas
- Spinach
- Lettuce (in-ground, unless shade and moisture are ideal)
- Broccoli (direct sow in June)
- Root crops like carrots (due to heat stress)
Next 2 weeks
- Mulch around plants to retain moisture
- Water deeply early morning or late evening
- Pinch basil to encourage bushier growth
- Check for pests like aphids and caterpillars
- Thin seedlings in containers and raised beds
FAQs
Can I plant tomatoes directly in the ground in June in DC?
Yes, June is a good time to transplant tomato seedlings outdoors in Washington, DC, as the risk of frost has passed and soil temperatures are warm.
Should I water my container plants daily in June?
Container plants often need daily watering in June due to heat and quick soil drying, but always check soil moisture before watering to avoid overwatering.
Is it too late to start herbs in June?
No, many herbs like basil, cilantro, and parsley can be planted or started indoors in June for summer harvest.
What vegetables should I avoid planting in June in DC?
Cool-season crops like peas, spinach, and lettuce generally do not perform well when planted in June due to heat stress.
How can I protect my garden from summer heat in June?
Use mulch to retain soil moisture, water early or late in the day, and consider shade cloth for sensitive plants during peak heat.
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