Planting calendar
August Planting Guide for Indianapolis, IN: Raised Beds, Containers & In-Ground
August in Indianapolis is ideal for planting late summer and fall crops in raised beds, containers, and in-ground gardens. Focus on cool-season vegetables and herbs to prepare for a productive autumn harvest. Start some seeds indoors to get a head start on next season.
Plant now (quick list)
Beets, Broccoli, Cabbage, Carrots, Kale, Lettuce, Radishes, Spinach

Plant now
- Beets
- Broccoli
- Cabbage
- Carrots
- Kale
- Lettuce
- Radishes
- Spinach
- Turnips
Start indoors
- Broccoli
- Cauliflower
- Cabbage
- Kale
- Brussels sprouts
- Leaf lettuce
- Collard greens
Avoid
- Tomatoes
- Peppers
- Beans
- Corn
- Squash
- Melons
- Cucumbers
- Eggplants
Next 2 weeks
- Direct sow fall root vegetables like carrots and beets
- Transplant started broccoli and cabbage seedlings outdoors
- Mulch around plants to retain soil moisture
- Water containers daily during hot spells
- Remove spent summer crops to reduce disease risk
FAQs
Can I plant tomatoes in August in Indianapolis?
August is generally too late to plant tomatoes outdoors in Indianapolis as they need a long growing season and warm temperatures.
What vegetables grow well in containers during August?
Leafy greens like lettuce, spinach, and kale grow well in containers during August as they prefer cooler weather.
How do I protect fall crops from early frost?
Use row covers or cold frames to protect young fall crops from early frost and extend the harvest season.
Is it necessary to start seeds indoors in August?
Starting seeds indoors in August for crops like broccoli and cabbage gives them a head start for transplanting in early fall.
Should I fertilize my garden in August?
Light fertilization can support fall crops, but avoid heavy feeding which may encourage excessive leaf growth over root development.
Next steps
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