When to plant in Harrison, AR
USDA Zone 7bHarrison, Arkansas frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
In zone 7b, Harrison supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.
Frost probability
HARRISON BOONE CO AP · 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 Harrison’s own odds, recorded at HARRISON BOONE CO AP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 2 | Apr 15 | Mar 30 | Oct 7 | Oct 21 | Nov 2 |
| 32°F | Apr 21 | Apr 3 | Mar 17 | Oct 16 | Oct 30 | Nov 14 |
| 28°F | Apr 9 | Mar 24 | Mar 4 | Oct 27 | Nov 10 | Nov 30 |
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 Harrison, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 27 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.
Harrison planting FAQ
When is the last spring frost in Harrison, AR?
Plan for the last spring frost in Harrison around April 3 (the date it has a 50% chance of a 32°F freeze). Anything frost-sensitive should go out after it.
When is the first fall frost in Harrison, AR?
In Harrison, the first 32°F freeze of fall lands around October 30 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Harrison in?
Harrison is in USDA hardiness zone 7b. In zone 7b, winters are moderate — most common vegetables grow well in season.
How long is the growing season in Harrison?
Harrison has about 210 frost-free days — a moderate growing season — between the average last spring frost (April 3) and first fall frost (October 30).
When should I plant tomatoes in Harrison?
For Harrison, sow tomatoes indoors about February 6–February 20 and move the seedlings out around April 10, after the last spring frost.
Never miss a window in Harrison
An email when it’s time to start seeds, transplant, and sow — timed to Harrison’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Branson · 44 km
- Mountain Home · 67 km
- Ozark · 88 km
- Nixa · 91 km
- Lowell · 93 km
- Rogers · 93 km
- Springdale · 93 km
- Fayetteville · 96 km
Frost dates recorded at HARRISON BOONE CO AP, 4 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 Harrison, AR — Frost Dates & Zone 7b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00013971. Retrieved from https://blissgarden.com/arkansas/harrison.