When to plant in Manchester, MO
USDA Zone 7aEverything below — frost dates, hardiness zone, and what to plant when in Manchester, Missouri — is derived from the closest NOAA station with complete climate normals.
In zone 7a, Manchester supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.
Frost probability
ST CHARLES 7 SSW · 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 Manchester’s own odds, recorded at ST CHARLES 7 SSW.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 1 | Apr 16 | Apr 3 | Oct 5 | Oct 19 | Oct 31 |
| 32°F | Apr 21 | Apr 4 | Mar 20 | Oct 15 | Oct 29 | Nov 11 |
| 28°F | Apr 8 | Mar 25 | Mar 8 | Oct 27 | Nov 8 | Nov 27 |
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 Manchester, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 20 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.
Manchester planting FAQ
When is the last spring frost in Manchester, MO?
Manchester's average last spring frost falls near April 4 — the 50% mark at 32°F in the 1991–2020 normals. Hold tender transplants until the risk has passed, then plant out.
When is the first fall frost in Manchester, MO?
In Manchester, the first 32°F freeze of fall lands around October 29 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Manchester in?
Manchester is in USDA hardiness zone 7a. In zone 7a, winters are moderate — most common vegetables grow well in season.
How long is the growing season in Manchester?
Manchester has about 208 frost-free days — a moderate growing season — between the average last spring frost (April 4) and first fall frost (October 29).
When should I plant tomatoes in Manchester?
For Manchester, sow tomatoes indoors about February 7–February 21 and move the seedlings out around April 11, after the last spring frost.
Never miss a window in Manchester
An email when it’s time to start seeds, transplant, and sow — timed to Manchester’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Ballwin · 4 km
- Town and Country · 6 km
- Ellisville · 7 km
- Kirkwood · 7 km
- Chesterfield · 10 km
- Creve Coeur · 10 km
- Crestwood · 12 km
- Webster Groves · 13 km
Frost dates recorded at ST CHARLES 7 SSW, 11 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 Manchester, MO — Frost Dates & Zone 7a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00237398. Retrieved from https://blissgarden.com/missouri/manchester.