Frost Dates & Planting Calendar for Accokeek, MD
Plan your garden around Accokeek, MD's typical frost-free growing season, using NOAA climate normals and a 42-crop planting calendar built for this location.
Last Spring Frost
April 3
Safe Apr 15
Typical Apr 3
Risky Mar 19
First Fall Frost
November 8
Safe Oct 24
Typical Nov 8
Risky Nov 23
Growing Season
217 days
Typical last frost to typical first frost.
USDA Hardiness Zone
Zone 7b
Mild winters and a long growing season, room for both cool- and warm-season crops.
Data: NOAA station OXON HILL, MD US, 14.5 km away.
—
days until the typical last spring frost
Monthly Temperatures
Avg. high
Avg. temp
Avg. low
Planting Calendar
| Crop | Start indoors | Direct sow | Transplant | Fall planting | Maturity | Notes |
|---|---|---|---|---|---|---|
| Tomato | Feb 6 – Feb 20 | — | Apr 10 – Apr 17 | — | 60–85 days | Start indoors 6-8 weeks before last frost; transplant out 1-2 weeks after last frost once soil has warmed. |
| Pepper | Jan 23 – Feb 6 | — | Apr 10 – Apr 24 | — | 60–90 days | Slow to germinate; start indoors 8-10 weeks before last frost. Transplant only once nights stay above 55F, 1-3 weeks after last frost. |
| Eggplant | Jan 23 – Feb 6 | — | Apr 17 – Apr 24 | — | 65–85 days | Warm-season crop, similar timing to pepper; needs consistently warm soil (65F+) to transplant. |
| Cucumber | Mar 6 – Mar 13 | Apr 10 – Apr 17 | Apr 10 – Apr 17 | — | 50–65 days | Can be started indoors 3-4 weeks before transplanting, or direct-sown 1-2 weeks after last frost once soil is warm. |
| Zucchini | Mar 13 – Mar 20 | Apr 10 – Apr 24 | Apr 10 – Apr 17 | — | 45–55 days | Fast-growing squash; direct sow 1-3 weeks after last frost, or start indoors 2-3 weeks early for a head start. |
| Winter Squash | Mar 6 – Mar 13 | Apr 10 – Apr 24 | Apr 10 – Apr 17 | — | 80–110 days | Long season; direct sow after soil warms, or start indoors 3-4 weeks before last frost in short-season climates. |
| Pumpkin | — | Apr 10 – Apr 24 | — | — | 90–120 days | Direct sow 1-3 weeks after last frost; back-time from your first fall frost so the 90-120 day maturity window lands before it. |
| Watermelon | Mar 6 – Mar 13 | — | Apr 17 – Apr 24 | — | 70–90 days | Needs warm soil (65F+); start indoors 3-4 weeks before last frost, transplant 2-3 weeks after last frost. |
| Cantaloupe | Mar 6 – Mar 13 | — | Apr 17 – Apr 24 | — | 70–90 days | Same warm-soil requirements as watermelon; avoid disturbing roots when transplanting. |
| Corn | — | Apr 3 – Apr 17 | — | — | 60–100 days | Direct sow at last frost to 2 weeks after, once soil reaches 60F; does not transplant well. Succession sow every 2 weeks. |
| Green Bean | — | Apr 3 – Apr 17 | — | — | 50–65 days | Direct sow at last frost to 2 weeks after, once soil has warmed; frost-tender, do not rush. |
| Pea | — | Feb 20 – Mar 6 | — | — | 55–70 days | Cold-hardy; direct sow 4-6 weeks before last frost as soon as soil can be worked. |
| Lettuce | — | Mar 6 – Mar 20 | — | Sep 13 – Sep 27 | 45–60 days | Cold-hardy; direct sow 2-4 weeks before last frost. Also transplantable from indoor starts. |
| Spinach | — | Feb 20 – Mar 6 | — | Sep 13 – Sep 27 | 40–50 days | Very cold-hardy; direct sow 4-6 weeks before last frost as soon as soil can be worked. |
| Kale | — | Mar 6 – Mar 20 | — | Aug 30 – Sep 13 | 50–65 days | Cold-hardy; direct sow 2-4 weeks before last frost or start indoors for earlier transplants. |
| Arugula | — | Mar 6 – Mar 20 | — | Sep 27 – Oct 4 | 30–40 days | Fast-growing, cold-tolerant green; direct sow 2-4 weeks before last frost, succession sow every 2-3 weeks. |
| Swiss Chard | — | Mar 13 – Mar 27 | — | — | 50–60 days | Fairly cold-hardy; direct sow 1-3 weeks before last frost. Tolerates light frost in fall too. |
| Broccoli | Feb 13 – Feb 27 | — | Mar 13 – Mar 20 | Sep 6 – Sep 13 | 55–80 days | Start indoors 5-7 weeks before last frost; transplant out 2-3 weeks before last frost (hardens off to light frost). |
| Cauliflower | Feb 13 – Feb 27 | — | Mar 20 – Mar 27 | Aug 30 – Sep 6 | 55–85 days | Fussier than broccoli about temperature swings; start indoors 5-7 weeks before last frost, transplant 1-2 weeks before last frost. |
| Cabbage | Feb 13 – Feb 27 | — | Mar 6 – Mar 20 | Aug 30 – Sep 13 | 60–100 days | Cold-hardy; start indoors 5-7 weeks before last frost, transplant 2-4 weeks before last frost. |
| Brussels Sprouts | Feb 13 – Feb 27 | — | Mar 13 – Mar 27 | — | 90–110 days | Long-season crop best timed to mature after a light fall frost for sweetest flavor; start indoors 5-7 weeks before last frost. |
| Carrot | — | Mar 6 – Mar 20 | — | Aug 16 – Aug 30 | 60–80 days | Direct sow only (does not transplant); sow 2-4 weeks before last frost, as soon as soil can be worked. |
| Beet | — | Mar 6 – Mar 20 | — | Aug 30 – Sep 13 | 50–65 days | Direct sow 2-4 weeks before last frost; tolerates light frost. |
| Radish | — | Feb 27 – Mar 13 | — | Sep 27 – Oct 11 | 22–30 days | Very fast and cold-hardy; direct sow 3-5 weeks before last frost, as soon as soil can be worked. |
| Turnip | — | Mar 6 – Mar 20 | — | Aug 30 – Sep 13 | 40–60 days | Cold-hardy; direct sow 2-4 weeks before last frost. |
| Onion | Jan 23 – Feb 6 | — | Mar 6 – Mar 20 | — | 90–120 days | Start seeds indoors 8-10 weeks before last frost (or use sets/transplants); set out 2-4 weeks before last frost, very cold-tolerant as seedlings. |
| Garlic | — | — | — | Oct 11 – Oct 25 | 240–270 days | Fall-planted crop only; not planted in spring in most climates. |
| Potato | — | Mar 6 – Mar 20 | — | — | 70–120 days | Plant seed potatoes 2-4 weeks before last frost, as soon as soil can be worked and is above 45F; light frost on emerging foliage is usually tolerated. |
| Sweet Potato | — | — | Apr 17 – May 1 | — | 90–120 days | Set out slips 2-4 weeks after last frost once soil is thoroughly warm (65F+); very frost/cold sensitive. |
| Asparagus | — | — | Mar 6 – Mar 20 | — | 730–1095 days | Perennial; plant crowns 2-4 weeks before last frost as soon as soil can be worked. Takes 2-3 years to full production. |
| Crop | Start indoors | Direct sow | Transplant | Fall planting | Maturity | Notes |
|---|---|---|---|---|---|---|
| Basil | Feb 20 – Feb 27 | — | Apr 10 – Apr 17 | — | 50–70 days | Very frost/cold sensitive; start indoors 5-6 weeks before last frost, transplant only after all danger of frost (1-2 weeks after) and nights stay warm. |
| Cilantro | — | Mar 13 – Mar 27 | — | Sep 13 – Sep 27 | 45–70 days | Cool-season, bolts in heat; direct sow 1-3 weeks before last frost, succession sow through spring. |
| Parsley | Feb 6 – Feb 20 | — | Mar 20 – Mar 27 | — | 70–90 days | Slow to germinate; start indoors 6-8 weeks before last frost, transplant 1-2 weeks before last frost (biennial, cold-tolerant). |
| Dill | — | Mar 13 – Mar 27 | — | — | 40–60 days | Taprooted, does not transplant well; direct sow 1-3 weeks before last frost, succession sow through summer. |
| Oregano | Feb 6 – Feb 20 | — | Apr 3 – Apr 10 | — | 80–90 days | Perennial herb; start indoors 6-8 weeks before last frost, transplant around/just after last frost date. |
| Thyme | Feb 6 – Feb 20 | — | Apr 3 – Apr 10 | — | 85–95 days | Perennial herb, slow from seed; start indoors 6-8 weeks before last frost, transplant around/after last frost. |
| Crop | Start indoors | Direct sow | Transplant | Fall planting | Maturity | Notes |
|---|---|---|---|---|---|---|
| Sunflower | — | Apr 10 – Apr 24 | — | — | 70–100 days | Direct sow 1-3 weeks after last frost once soil has warmed; taprooted, resents transplanting. |
| Zinnia | Mar 6 – Mar 13 | Apr 10 – Apr 24 | Apr 10 – Apr 17 | — | 60–70 days | Frost-tender; direct sow 1-3 weeks after last frost, or start indoors 3-4 weeks early for earlier blooms. |
| Marigold | Feb 20 – Mar 6 | — | Apr 10 – Apr 17 | — | 45–60 days | Frost-tender; start indoors 4-6 weeks before last frost, transplant after all frost danger has passed. |
| Cosmos | Mar 6 – Mar 13 | Apr 10 – Apr 24 | Apr 10 – Apr 17 | — | 60–90 days | Easy from direct seed 1-3 weeks after last frost; can also start indoors 3-4 weeks early. |
| Nasturtium | — | Apr 10 – Apr 24 | — | — | 50–65 days | Frost-tender, resents root disturbance; direct sow 1-3 weeks after last frost once soil has warmed. |
| Dahlia | — | — | Apr 10 – Apr 24 | — | 90–120 days | Plant tubers 1-3 weeks after last frost once soil is warm (60F+); very frost-sensitive. |
Date ranges are estimates based on university extension guidelines and this city's NOAA frost normals — not a guarantee. Scroll to see all columns on narrow screens.
Frequently Asked Questions
When is the last frost in Accokeek, MD?
Based on 1991–2020 NOAA climate normals for the OXON HILL, MD US station, the last spring frost in Accokeek typically falls around April 3. A cautious gardener might wait until April 15 (only a 10% chance of a later frost), while March 19 marks an earlier, higher-risk planting date.
When is the first frost in Accokeek, MD in fall?
The first fall frost in Accokeek typically arrives around November 8. To stay safe, assume frost could start as early as October 24; in milder years it can hold off until November 23.
How long is the growing season in Accokeek, MD?
Accokeek's average frost-free growing season is about 217 days, running from the typical last spring frost (April 3) to the typical first fall frost (November 8).
What USDA hardiness zone is Accokeek, MD in?
Accokeek, MD is in USDA plant hardiness zone 7b, per the USDA's 2023 Plant Hardiness Zone Map. Mild winters and a long growing season, room for both cool- and warm-season crops.