Planting calendar
August Planting Guide for Indianapolis, IN: Raised Beds, Containers & In-Ground
In August, Indianapolis gardeners can focus on planting heat-tolerant vegetables and starting fall crops in raised beds, containers, and in-ground gardens. This is a great time to sow seeds for cool-season vegetables and prepare for a productive autumn harvest.
Plant now (quick list)
Bush beans, Beets, Carrots, Radishes, Turnips, Leafy greens (spinach, kale, Swiss chard), Fall broccoli, Cabbage
Plant now
- Bush beans
- Beets
- Carrots
- Radishes
- Turnips
- Leafy greens (spinach, kale, Swiss chard)
- Fall broccoli
- Cabbage
- Cauliflower
Start indoors
- Brussels sprouts
- Kale
- Broccoli
- Cabbage
- Cauliflower
- Lettuce
- Collards
- Kohlrabi
Avoid
- Tomatoes (new plantings)
- Peppers (new plantings)
- Eggplants (new plantings)
- Corn
- Melons
- Cucumbers (late plantings may not mature before frost)
Next 2 weeks
- Direct sow fall root crops like carrots and beets
- Transplant started broccoli and cabbage seedlings
- Keep containers well-watered during heat
- Mulch raised beds to retain moisture
- Monitor for pests like aphids and squash bugs
FAQs
Can I plant tomatoes in August in Indianapolis?
It's best to avoid planting new tomato plants in August, as they may not mature before the first frost.
What vegetables are best for container gardening in August?
Leafy greens like spinach, kale, and Swiss chard do well in containers during late summer.
How can I protect fall crops from early frost?
Use row covers or cold frames to shield young plants during unexpected cold snaps.
Is it necessary to mulch raised beds in August?
Yes, mulching helps retain soil moisture and keeps roots cooler during hot August days.
When should I start broccoli indoors for fall planting?
Start broccoli seeds indoors in August to transplant outdoors in early September for a fall harvest.
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