When to plant in Hockessin, DE
USDA Zone 7aEverything below — frost dates, hardiness zone, and what to plant when in Hockessin, Delaware — is derived from the closest NOAA station with complete climate normals.
In zone 7a, Hockessin supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.
Frost probability
WILMINGTON PORTER RSCH · 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 Hockessin’s own odds, recorded at WILMINGTON PORTER RSCH.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 7 | Apr 20 | Apr 6 | Oct 9 | Oct 24 | Nov 6 |
| 32°F | Apr 24 | Apr 7 | Mar 26 | Oct 21 | Nov 4 | Nov 19 |
| 28°F | Apr 10 | Mar 29 | Mar 13 | Nov 1 | Nov 15 | Dec 2 |
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 Hockessin, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 14 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.
Hockessin planting FAQ
When is the last spring frost in Hockessin, DE?
Plan for the last spring frost in Hockessin around April 7 (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 Hockessin, DE?
Expect Hockessin's first fall frost near November 4 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Hockessin in?
Hockessin 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 Hockessin?
Hockessin has about 211 frost-free days — a long growing season — between the average last spring frost (April 7) and first fall frost (November 4).
When should I plant tomatoes in Hockessin?
For Hockessin, sow tomatoes indoors about February 10–February 24 and move the seedlings out around April 14, after the last spring frost.
Never miss a window in Hockessin
An email when it’s time to start seeds, transplant, and sow — timed to Hockessin’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Pike Creek Valley · 6 km
- Brookside · 13 km
- Newark · 14 km
- Wilmington · 14 km
- Bear · 18 km
- West Chester · 21 km
- Glasgow · 21 km
- Pennsville · 22 km
Frost dates recorded at WILMINGTON PORTER RSCH, 12 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 Hockessin, DE — Frost Dates & Zone 7a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00079605. Retrieved from https://blissgarden.com/delaware/hockessin.