Frost Dates for Lusby, MD 20657
Last spring frost April 6 · First fall frost November 3 · 211 frost-free days · USDA Zone 8a
Frost probability for 20657
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | April 22 | April 6 | March 22 |
| Fall (first frost) | October 17 | November 3 | November 20 |
Dates come from NOAA 1971–2000 freeze probabilities at the nearest reporting station (47.5 km away); the 50% date is the median year.
Month by month in Lusby
| Month | What to do |
|---|---|
| January | Plan your garden layout and order seeds. Research varieties suited to your frost dates. |
| February | Start peppers and eggplant indoors 8–10 weeks before your last frost (around April 6). Start tomatoes about two weeks later, 6–8 weeks before last frost. |
| March | Start herbs, basil, and squash indoors (4–6 weeks before frost). Direct sow peas, spinach, and lettuce if soil is workable. |
| April | Last frost around April 6. Transplant cold-hardy crops (broccoli, kale, cabbage). Harden off tomato and pepper seedlings. |
| May | Frost has passed. Transplant tomatoes, peppers, and basil outdoors. Direct sow beans, cucumbers, squash, and zucchini. |
| June | Succession plant lettuce and greens. Keep beds weeded and watered consistently. |
| July | Harvest regularly to encourage production. Monitor for pests and disease. |
| August | Midsummer: harvest beans, zucchini, cucumbers. Start brassica seeds indoors for fall. |
| September | Direct sow carrots and beets for fall harvest. Start fall broccoli and kale indoors. |
| October | First fall frost approaching (around November 3). Transplant fall brassicas. Sow spinach, arugula, and radishes. |
| November | First frost around November 3. Harvest tomatoes and peppers before frost. Cover cold-hardy crops with row covers to extend the season. |
| December | Harvest remaining cold-hardy crops: kale, carrots, and beets. Plant garlic bulbs for next year. |
What grows in a 211-day season
Frequently Asked Questions
What is the last frost date for Lusby, MD (ZIP 20657)?
The median last spring frost date for Lusby, MD (ZIP code 20657) is around April 6. This is the 50th-percentile date — meaning half of all years see frost end before this date. Use the 10% and 90% dates to understand the full range of risk in your area.
What is the first fall frost date in Lusby, MD?
The median first fall frost date for Lusby, MD is around November 3. Plan to harvest or protect frost-sensitive crops like tomatoes and peppers at least a week before this date to avoid losses.
How long is the growing season in Lusby, MD?
The frost-free growing season in Lusby is about 211 days. This window — from your last spring frost to your first fall frost — is when warm-season vegetables thrive. Cold-hardy crops like kale, spinach, and peas can extend your season by weeks on either side.
What USDA hardiness zone is Lusby, MD?
Based on frost date patterns, Lusby falls approximately in 8a. USDA hardiness zones are determined by average annual minimum winter temperatures and guide both plant selection and planting timing for your location.
When should I start tomatoes indoors in Lusby, MD?
Start tomato seeds indoors 6–8 weeks before your last frost date (around April 6). For Lusby, that's roughly February 10 to February 24. Transplant outdoors 1–2 weeks after your last frost.
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