When to Plant Spaghetti Squash in District of Columbia
Start Seeds Indoors
Saturday, February 20, 2027
Transplant outdoors: Saturday, April 3, 2027
State
District of Columbia
USDA Zones
7a, 7b, 8a
Avg Last Frost
Saturday, March 20, 2027
Cities Covered
2
District of Columbia Planting Schedule by Zone
District of Columbia spans 3 zones — find yours below for the most accurate dates.
| Zone | Last Frost | Start Indoors | Transplant |
|---|---|---|---|
| 7a | Saturday, April 10, 2027 | Saturday, March 13, 2027 | Saturday, April 24, 2027 |
| 7b | Monday, April 5, 2027 | Monday, March 8, 2027 | Monday, April 19, 2027 |
| 8a | Saturday, March 20, 2027 | Saturday, February 20, 2027 | Saturday, April 3, 2027 |
Dates based on average last frost. Check your local forecast before planting.
About Spaghetti Squash
Companion Plants for Spaghetti Squash
Good Companions
Avoid Planting Near
Growing Spaghetti Squash in District of Columbia: Complete Guide
Spaghetti Squash (Cucurbita pepo) is a warm-season crop that needs a head start indoors before District of Columbia's last frost. Depending on your zone, District of Columbia gardeners start seeds indoors between February 20, 2027 (Zone 8a) and March 13, 2027 (Zone 7a), then move transplants outside once their zone's last frost has passed — the zone table above has your exact dates.
Because District of Columbia stretches across 3 USDA hardiness zones (7a, 7b, 8a), planting windows can shift by as much as two to four weeks from one end of the state to the other. Gardeners in the warmer southern zones can start earlier, while those in cooler northern zones should wait until the zone table above shows their last frost has passed.
With 90 days to maturity, Spaghetti Squash needs the indoor head start that District of Columbia's growing season requires. Starting indoors ensures you have strong transplants ready the moment outdoor conditions are right.
Spaghetti Squash requires full sun (6-8 hours) and regular (1 inch/week) moisture. Check your local forecast for humidity and heat advisories that may affect timing and pest pressure.
For the most precise planting dates tailored to your exact location, enter your ZIP code on our planting calendar or use the zone table above to find the schedule for your area of District of Columbia.
Frequently Asked Questions
When should I plant Spaghetti Squash in District of Columbia?
In District of Columbia, start Spaghetti Squash seeds indoors around Saturday, February 20, 2027 and transplant outdoors around Saturday, April 3, 2027 after your last frost. District of Columbia spans zones 7a–8a, so dates shift by 1–4 weeks depending on where you live.
What is the last frost date in District of Columbia?
District of Columbia spans 3 USDA zones (7a, 7b, 8a), so last frost dates vary by region. Washington (7a) sees frost until around Saturday, April 10, 2027, while Washington, Washington Navy Yard (8a) is frost-free much earlier.
How long does Spaghetti Squash take to grow in District of Columbia?
Spaghetti Squash takes about 90 days from transplant (or direct sow) to harvest. Starting seeds indoors in District of Columbia gives you a head start so plants are ready to go out after the last frost.
What USDA zones does District of Columbia cover for Spaghetti Squash?
District of Columbia includes zones 7a, 7b, 8a. Spaghetti Squash grows well across all of these zones with adjusted timing — use the zone table above to find the right dates for your part of the state.
When to Plant Spaghetti Squash by City in District of Columbia
Dates are based on each city's USDA zone and average last frost.
| City | Zone | Last Frost | Start Indoors | Transplant |
|---|---|---|---|---|
| Washington | 8a | Saturday, March 20, 2027 | Saturday, February 20, 2027 | Saturday, April 3, 2027 |
| Washington Navy Yard | 8a | Saturday, March 20, 2027 | Saturday, February 20, 2027 | Saturday, April 3, 2027 |