Frost Dates for Taneytown, MD 21787
Last spring frost April 22 · First fall frost October 24 · 185 frost-free days · USDA Zone 7a
Frost probability for 21787
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | May 5 | April 22 | April 9 |
| Fall (first frost) | October 11 | October 24 | November 6 |
Dates come from NOAA 1971–2000 freeze probabilities at the nearest reporting station (26.7 km away); the 50% date is the median year.
Month by month in Taneytown
| 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 22). 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 22. 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 | First fall frost approaching (around October 24). Transplant fall brassicas. Sow spinach, arugula, and radishes. |
| October | First frost around October 24. Harvest tomatoes and peppers before frost. Cover cold-hardy crops with row covers to extend the season. |
| November | Harvest remaining cold-hardy crops: kale, carrots, and beets. Plant garlic bulbs for next year. |
| December | Clean up spent plants. Add compost to beds. Rest, review, and plan next year's garden. |
What grows in a 185-day season
Frequently Asked Questions
What is the last frost date for Taneytown, MD (ZIP 21787)?
The median last spring frost date for Taneytown, MD (ZIP code 21787) is around April 22. 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 Taneytown, MD?
The median first fall frost date for Taneytown, MD is around October 24. 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 Taneytown, MD?
The frost-free growing season in Taneytown is about 185 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 Taneytown, MD?
Based on frost date patterns, Taneytown falls approximately in 7a. 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 Taneytown, MD?
Start tomato seeds indoors 6–8 weeks before your last frost date (around April 22). For Taneytown, that's roughly February 26 to March 11. Transplant outdoors 1–2 weeks after your last frost.
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