What to plant in October in Indiana
In Indiana (IN), the average first fall frost (October 11) has passed by mid-October. The state averages 170 frost-free days a year (last frost April 24, first frost October 11; USDA zones 5b, 6a, 6b).
2 crops have a sowing or planting window this month: shallot, garlic.
Dates here come from Indiana frost dates (last frost Apr 24, first frost Oct 11). For one crop in detail, see when to plant garlic, tomato or lettuce in Indiana.
Indiana: planting activity through the year
For fall and winter harvests (2)
Sowings counted back from Indiana's first fall frost, so the crop matures before the cold - or, for garlic and similar, planted after it.
Harvesting in October
First harvests expected this month from crops sown or planted on time earlier in the season.
Planting dates for popular crops in Indiana
Every crop has its own full-year dates for Indiana: indoor start, transplant or direct sowing, and harvest.
Spring bulbs to plant in October in Indiana
Tulips, daffodils, hyacinths and crocus are planted in fall, once the soil has cooled and before it freezes. The exact window depends on the state, so our bulb guide quotes what each extension service says.
After the first frost: October garden jobs in Indiana
- The average first frost (October 11) has passed - pull frost-killed tender plants and compost the healthy ones; bin or burn anything that had blight or mildew.
- Plant garlic now (Oct 22 – Nov 8): single cloves, pointy end up, 2 inches deep and 6 inches apart, then mulch.
- Leave cold-hardy roots (carrots, parsnips, leeks) in the ground under a thick mulch and dig them as needed.
- Clean and oil tools, drain hoses, and note what worked this year while you still remember - it makes next year's plan far easier.
USDA zone chart for Indiana
Indiana spans USDA zones 5b, 6a, 6b. Colder zones, usually higher or further inland, have a later last spring frost and an earlier first fall frost than the state average.
Questions gardeners ask
What vegetables can I plant in Indiana in October?
2 crops have a window in October: shallot, garlic. The tables above give the exact dates for each.
Is it too late to plant garlic in Indiana in October?
No - plant in fall (after first frost) runs Oct 22 – Nov 8 in Indiana.
Is it too late to plant tomatoes in Indiana in October?
For this year, yes - the tomato windows in Indiana have closed. The next step is to start seeds indoors from about February 27.
When is the first frost in Indiana?
The statewide average first fall frost is around October 11 and the last spring frost around April 24. Your town can be a week or two either side - look yours up by ZIP code.
What can I harvest in Indiana in October?
From plantings made on time: luffa (loofah gourd), cucumber, broccoli, cauliflower, cabbage, bush bean, kale, lettuce, chayote, brussels sprouts.
What to plant in October in other states
Dates are computed from Indiana’s statewide average frost dates (from NOAA/NCEI climate normals) and each crop’s timing in our crop database. Your garden may be a week or two either side - for dates tuned to your ZIP code, use the planting calendar.