Planting calendar
June Planting Guide for Detroit, MI: Raised Beds, Containers & In-Ground Gardens
In June, Detroit gardeners can focus on warm-season crops that thrive in raised beds, containers, and in-ground gardens. Plant heat-tolerant vegetables and herbs now, while starting late-season crops indoors for fall transplanting. Avoid planting frost-sensitive seeds too early to prevent heat stress.
Plant now (quick list)
tomatoes, peppers, beans, cucumbers, summer squash, basil, eggplant, sweet potatoes
Plant now
- tomatoes
- peppers
- beans
- cucumbers
- summer squash
- basil
- eggplant
- sweet potatoes
Start indoors
- broccoli
- cauliflower
- cabbage
- kale
- lettuce
- collards
- brussels sprouts
Avoid
- peas
- spinach
- lettuce (outdoors)
- potatoes
- carrots
- beets
Next 2 weeks
- continue planting heat-loving crops
- mulch raised beds to retain moisture
- monitor container soil moisture daily
- fertilize tomatoes and peppers
- thin seedlings in in-ground beds
- watch for pests like aphids and flea beetles
- start hardening off indoor seedlings
FAQs
Can I plant lettuce outdoors in June in Detroit?
Lettuce tends to bolt quickly in the heat of June, so it's best to start it indoors now for a fall transplant or grow heat-tolerant varieties in partial shade.
How often should I water container plants in June?
Containers dry out faster; water daily or when the top inch of soil feels dry, especially during hot spells.
Is it too late to start tomatoes in June?
No, tomatoes can still be planted in June, especially transplants, but choose early-maturing varieties for a good harvest before fall.
What pests should I watch for in June?
Common pests include aphids, flea beetles, and tomato hornworms; inspect plants regularly and use appropriate organic controls if needed.
Can I plant cool-season crops now for fall harvest?
Yes, start cool-season crops like broccoli and cabbage indoors in June to transplant in late summer for a fall harvest.
Next steps
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