When to plant in Hillcrest Heights, MD
USDA Zone 7bHillcrest Heights, Maryland 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, Hillcrest Heights supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.
Frost probability
OXON HILL · 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 Hillcrest Heights’s own odds, recorded at OXON HILL.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 2 | Apr 15 | Apr 1 | Oct 14 | Oct 27 | Nov 10 |
| 32°F | Apr 15 | Apr 3 | Mar 19 | Oct 24 | Nov 8 | Nov 23 |
| 28°F | Apr 3 | Mar 21 | Mar 5 | Nov 5 | Nov 19 | Dec 8 |
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 Hillcrest Heights, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 9 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.
Hillcrest Heights planting FAQ
When is the last spring frost in Hillcrest Heights, MD?
Hillcrest Heights's average last spring frost falls near April 3 — 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 Hillcrest Heights, MD?
In Hillcrest Heights, the first 32°F freeze of fall lands around November 8 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Hillcrest Heights in?
Hillcrest Heights 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 Hillcrest Heights?
Hillcrest Heights has about 219 frost-free days — a long growing season — between the average last spring frost (April 3) and first fall frost (November 8).
When should I plant tomatoes in Hillcrest Heights?
For Hillcrest Heights, 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 Hillcrest Heights
An email when it’s time to start seeds, transplant, and sow — timed to Hillcrest Heights’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Glassmanor · 2 km
- Suitland · 4 km
- Oxon Hill · 5 km
- Camp Springs · 6 km
- Friendly · 8 km
- Washington · 9 km
- Walker Mill · 9 km
- Forestville · 9 km
Frost dates recorded at OXON HILL, 5 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 Hillcrest Heights, MD — Frost Dates & Zone 7b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00186800. Retrieved from https://blissgarden.com/maryland/hillcrest-heights.