When to plant in Anderson, IN
USDA Zone 6aEverything below — frost dates, hardiness zone, and what to plant when in Anderson, Indiana — is derived from the closest NOAA station with complete climate normals.
In zone 6a, Anderson gardeners can grow many hardy perennials, while the last and first frost still dictate the annual vegetable calendar.
The average first fall frost in Anderson is now 5 days later than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
ANDERSON SEWAGE PLT · 1991–2020The date the last spring and first fall frost occur, by threshold and probability. A 90% date is later in spring — and earlier in fall — than a 10% date; the 50% · 32°F row is what most gardeners plan around. These are Anderson’s own odds, recorded at ANDERSON SEWAGE PLT.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 16 | Apr 30 | Apr 16 | Sep 30 | Oct 13 | Oct 26 |
| 32°F | May 5 | Apr 19 | Apr 3 | Oct 7 | Oct 23 | Nov 6 |
| 28°F | Apr 25 | Apr 5 | Mar 22 | Oct 21 | Nov 3 | Nov 20 |
Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.
What to plant now
TODAY · JULY 19Full-year planting calendar
Each bar is the exact window to take a planting action in Anderson, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 30 km · complete 32°F normalsWhen stations disagree by more than a few days, that spread is real microclimate variation — elevation, water, urban heat. Judge which station best matches your own yard.
Anderson planting FAQ
When is the last spring frost in Anderson, IN?
On average, the last spring frost in Anderson is around April 19 (50% probability at 32°F, from 1991–2020 NOAA normals). Wait until after this date to set out tender plants like tomatoes and peppers.
When is the first fall frost in Anderson, IN?
In Anderson, the first 32°F freeze of fall lands around October 23 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Anderson in?
Anderson is in USDA hardiness zone 6a. In zone 6a, winters are moderate — most common vegetables grow well in season.
How long is the growing season in Anderson?
Anderson has about 187 frost-free days — a moderate growing season — between the average last spring frost (April 19) and first fall frost (October 23).
When should I plant tomatoes in Anderson?
For Anderson, sow tomatoes indoors about February 22–March 8 and move the seedlings out around April 26, after the last spring frost.
Never miss a window in Anderson
An email when it’s time to start seeds, transplant, and sow — timed to Anderson’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Yorktown · 19 km
- Noblesville · 27 km
- Fishers · 28 km
- Muncie · 28 km
- McCordsville · 29 km
- New Castle · 33 km
- Greenfield · 34 km
- Lawrence · 36 km
Frost dates recorded at ANDERSON SEWAGE PLT, 3 km from the city center · 1991–2020 NOAA climate normals · zone from the USDA/PRISM 2023 map. How we compute this.
BlissGarden. "When to Plant in Anderson, IN — Frost Dates & Zone 6a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00120177. Retrieved from https://blissgarden.com/indiana/anderson.