Planting calendar
August Planting Guide for Boston, MA: Raised Beds, Containers & In-Ground
In August, Boston gardeners can focus on planting cool-season crops and preparing for fall harvests. This month is ideal for sowing leafy greens, root vegetables, and starting some herbs indoors to transplant later. Use raised beds, containers, or in-ground plots to maximize your garden’s productivity before the first frost.
Plant now (quick list)
spinach, lettuce, radishes, kale, beets, carrots, turnips, broccoli
Plant now
- spinach
- lettuce
- radishes
- kale
- beets
- carrots
- turnips
- broccoli
- cauliflower
Start indoors
- cabbage
- collard greens
- brussels sprouts
- herbs (basil, parsley)
- chard
- mustard greens
- celery
Avoid
- tomatoes (direct sow)
- peppers
- eggplants
- corn
- beans (late sowing)
Next 2 weeks
- water consistently to support new seedlings
- apply mulch to retain soil moisture
- monitor for pests like aphids and caterpillars
- thin seedlings to prevent overcrowding
- fertilize leafy greens with nitrogen-rich feed
- start hardening off indoor seedlings for transplant
- remove any diseased or yellowing leaves
FAQs
Can I plant tomatoes in August in Boston?
It's generally too late to plant tomatoes from seed outdoors in August due to the approaching frost. Instead, focus on cool-season crops or start tomatoes indoors for next year.
How do I protect my late summer plantings from early frost?
Use row covers, cold frames, or cloches to shield plants from frost. Mulching also helps insulate roots and maintain soil warmth.
Is it better to plant in raised beds or containers in August?
Both are effective; raised beds warm up faster and drain well, while containers allow flexibility and mobility. Choose based on space and crop needs.
What watering practices are best for August plantings?
Water deeply and consistently, preferably in the morning, to reduce stress from heat and encourage strong root growth.
Can I start herbs indoors in August for fall planting?
Yes, starting herbs like basil and parsley indoors now gives them a head start for transplanting outdoors in early fall.
Next steps
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