Planting calendar
July Planting Guide for Boston, MA: Raised Beds, Containers & In-Ground Gardens
In July, Boston gardeners can focus on heat-tolerant vegetables and herbs in raised beds, containers, and in-ground gardens. It's a great time to plant warm-season crops and start fall harvest vegetables indoors for transplanting later.
Plant now (quick list)
Bush beans, Cucumbers, Summer squash, Eggplant, Peppers, Basil, Okra, Sweet potatoes
Plant now
- Bush beans
- Cucumbers
- Summer squash
- Eggplant
- Peppers
- Basil
- Okra
- Sweet potatoes
Start indoors
- Broccoli
- Cabbage
- Cauliflower
- Kale
- Brussels sprouts
- Lettuce
- Spinach
- Collards
Avoid
- Peas
- Potatoes
- Carrots
- Beets
- Radishes
- Cool-season leafy greens (direct sowing outdoors)
Next 2 weeks
- Continue watering deeply during hot spells
- Mulch raised beds and containers to retain moisture
- Pinch basil to encourage bushier growth
- Watch for pests like aphids and cucumber beetles
- Fertilize heavy feeders like tomatoes and peppers
- Harvest summer crops regularly to encourage production
- Prepare soil for fall crops by adding compost
FAQs
Can I plant tomatoes in July in Boston?
It's best to plant tomatoes earlier in the season; however, you can still transplant healthy seedlings in July for a late summer harvest.
How often should I water raised beds during July heat?
Water deeply at least 2-3 times per week, increasing frequency during heatwaves to keep soil consistently moist but not waterlogged.
Is it too late to start lettuce in July?
Direct sowing lettuce outdoors in July is risky due to heat, but starting seeds indoors for fall transplanting works well.
What are good container plants for July in Boston?
Heat-tolerant herbs like basil, oregano, and thyme, as well as cherry tomatoes and peppers, thrive in containers during July.
Should I fertilize my garden in July?
Yes, apply a balanced fertilizer or compost to support vigorous growth of summer crops, especially heavy feeders like squash and peppers.
Next steps
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