§ When to plant · Maryland · Checked Sept 2026
In Baltimore, tender crops like tomatoes and peppers can go out around April 4, and frost has historically passed 9 years in 10 by April 15. Cool-season crops go in from February, and again from July for fall.
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§ 010 · Frost dates
Based on NOAA's 1991–2020 station records, with adjustments for tender crops.
| City · NOAA station | Last frost, on average | Plant tender crops from | Frost is over, 9 of 10 years by | Fall frost possible from |
|---|---|---|---|---|
| AberdeenABERDEEN PHILLIPS FIELD · 5 km | Apr 10 | Apr 26April 26 | May 12 | Oct 14 |
| AnnapolisANNAPOLIS POLICE BRKS · 2 km | Mar 27 | Apr 10April 10 | Apr 24 | Nov 1 |
| BaltimoreMD SCI CTR BALTIMORE · 2 km | Mar 24 | Apr 4April 4 | Apr 15 | Nov 7 |
| BowieGLENN DALE BELL STATION · 6 km | Apr 22 | May 6May 6 | May 20 | Oct 7 |
| College ParkBELTSVILLE · 4 km | Apr 10 | Apr 26April 26 | May 11 | Oct 16 |
| CumberlandCUMBERLAND 2 · 1 km | Apr 15 | May 2May 2 | May 18 | Oct 9 |
| EastonROYAL OAK 2 SSW · 12 km | Apr 1 | Apr 17April 17 | May 3 | Oct 24 |
| ElktonNEWARK AG FARM · 10 km | Apr 7 | Apr 23April 23 | May 9 | Oct 19 |
| FrederickFREDERICK POLICE BRKS · 3 km | Apr 2 | Apr 17April 17 | May 2 | Oct 23 |
| GaithersburgROCKVILLE 1 NORTHEAST · 7 km | Apr 1 | Apr 18April 18 | May 5 | Oct 24 |
| GreenbeltBELTSVILLE · 6 km | Apr 10 | Apr 26April 26 | May 11 | Oct 16 |
| HagerstownHAGERSTOWN 1 E · 2 km | Apr 11 | Apr 25April 25 | May 9 | Oct 14 |
| Havre de GraceABERDEEN PHILLIPS FIELD · 10 km | Apr 10 | Apr 26April 26 | May 12 | Oct 14 |
| HyattsvilleNATL ARBORETUM DC · 5 km | Mar 29 | Apr 13April 13 | Apr 28 | Oct 26 |
| LaurelLAUREL 3 W · 4 km | Apr 5 | Apr 19April 19 | May 2 | Oct 27 |
| New CarrolltonGLENN DALE BELL STATION · 6 km | Apr 22 | May 6May 6 | May 20 | Oct 7 |
| RockvilleROCKVILLE 1 NORTHEAST · 2 km | Apr 1 | Apr 18April 18 | May 5 | Oct 24 |
| SalisburySALISBURY · 1 km | Apr 3 | Apr 21April 21 | May 8 | Oct 27 |
| Takoma ParkNATL ARBORETUM DC · 8 km | Mar 29 | Apr 13April 13 | Apr 28 | Oct 26 |
| WestminsterHANOVER 4 SOUTHWEST · 21 km | Apr 24 | May 8May 8 | May 22 | Oct 6 |
Maryland's 20 largest cities (U.S. Census Bureau 2025 estimates), A to Z, each with its nearest NOAA station and the distance to it. Search any town to get its nearest station. "Plant tender crops from" is halfway between the average last frost and the date frost is over 9 years in 10; if frost is in the forecast after it, wait until it passes and nights stay above 36°F.
§ 020 · What to plant
Planting windows from Maryland's Cooperative Extension Service. Filter by season or crop group; every view has its own link.
Link to this view getezina.com/when-to-plant/maryland/
§ 030 · Crop by crop
Each crop has its own link, like #tomatoes. Tender crops wait for the frost dates above; succession crops are sown again every few weeks for a steady harvest.
Eruca vesicaria
Cool season
Sow March to May, and again August to September.
Ready in about 35 days.
Source: University of Maryland Extension, Home & Garden Information Center (College of Agriculture and Natural Resources), When to Plant Vegetables (Vegetable Planting Calendar for Central Maryland). Days to harvest: Ezina crop catalog, from state extension guides.
Asparagus officinalis
Perennial
Plant March to April.
Source: University of Maryland Extension, Home & Garden Information Center (College of Agriculture and Natural Resources), When to Plant Vegetables (Vegetable Planting Calendar for Central Maryland). Days to harvest: Ezina crop catalog, from state extension guides.
Beta vulgaris
Cool seasonSuccession sow
Sow April to July.
Ready in about 58 days; sow again every 6 weeks.
Source: University of Maryland Extension, Home & Garden Information Center (College of Agriculture and Natural Resources), When to Plant Vegetables (Vegetable Planting Calendar for Central Maryland). Days to harvest: Ezina crop catalog, from state extension guides.
Brassica rapa
Cool seasonSuccession sow
Sow April to May, and again August to September.
Ready in about 50 days from seed, 40 from transplants; sow again every 4 weeks.
Source: University of Maryland Extension, Home & Garden Information Center (College of Agriculture and Natural Resources), When to Plant Vegetables (Vegetable Planting Calendar for Central Maryland). Days to harvest: Ezina crop catalog, from state extension guides.
Brassica oleracea
Cool season
Start seed indoors February to March, and again June to July; Set out transplants April, and again July to August.
Ready in about 95 days from seed, 65 from transplants.
Source: University of Maryland Extension, Home & Garden Information Center (College of Agriculture and Natural Resources), When to Plant Vegetables (Vegetable Planting Calendar for Central Maryland). Days to harvest: Ezina crop catalog, from state extension guides.
Brassica oleracea
Cool season
Start seed indoors May; Set out transplants June to July.
Ready in about 130 days from seed, 100 from transplants.
Source: University of Maryland Extension, Home & Garden Information Center (College of Agriculture and Natural Resources), When to Plant Vegetables (Vegetable Planting Calendar for Central Maryland). Days to harvest: Ezina crop catalog, from state extension guides.
Brassica oleracea
Cool season
Start seed indoors February to March, and again June to July; Set out transplants March to April, and again July to August.
Ready in about 110 days from seed, 80 from transplants.
Source: University of Maryland Extension, Home & Garden Information Center (College of Agriculture and Natural Resources), When to Plant Vegetables (Vegetable Planting Calendar for Central Maryland). Days to harvest: Ezina crop catalog, from state extension guides.
Cucumis melo
Tender
Sow May to June.
Ready in about 80 days from seed, 70 from transplants. Tender: in spring, from about April 4 in Baltimore. If frost is in the forecast, hold off until it passes and nights stay above 36°F.
Source: University of Maryland Extension, Home & Garden Information Center (College of Agriculture and Natural Resources), When to Plant Vegetables (Vegetable Planting Calendar for Central Maryland). Days to harvest: Ezina crop catalog, from state extension guides.
Daucus carota
Cool seasonSuccession sow
Sow April to May, and again June to July.
Ready in about 70 days; sow again every 7 weeks.
Source: University of Maryland Extension, Home & Garden Information Center (College of Agriculture and Natural Resources), When to Plant Vegetables (Vegetable Planting Calendar for Central Maryland). Days to harvest: Ezina crop catalog, from state extension guides.
Brassica oleracea
Cool season
Start seed indoors March, and again June; Set out transplants April, and again July.
Ready in about 95 days from seed, 68 from transplants.
Source: University of Maryland Extension, Home & Garden Information Center (College of Agriculture and Natural Resources), When to Plant Vegetables (Vegetable Planting Calendar for Central Maryland). Days to harvest: Ezina crop catalog, from state extension guides.
Brassica rapa
Cool season
Sow March to April, and again July to August.
Ready in about 75 days from seed, 60 from transplants.
Source: University of Maryland Extension, Home & Garden Information Center (College of Agriculture and Natural Resources), When to Plant Vegetables (Vegetable Planting Calendar for Central Maryland). Days to harvest: Ezina crop catalog, from state extension guides.
Brassica oleracea
Cool season
Sow March to April; Set out transplants April to May, and again July to August; Start seed indoors June to July.
Ready in about 65 days from seed, 55 from transplants.
Source: University of Maryland Extension, Home & Garden Information Center (College of Agriculture and Natural Resources), When to Plant Vegetables (Vegetable Planting Calendar for Central Maryland). Days to harvest: Ezina crop catalog, from state extension guides.
Cucumis sativus
TenderSuccession sow
Sow May to July.
Ready in about 58 days from seed, 50 from transplants; sow again every 7 weeks. Tender: in spring, from about April 4 in Baltimore. If frost is in the forecast, hold off until it passes and nights stay above 36°F.
Source: University of Maryland Extension, Home & Garden Information Center (College of Agriculture and Natural Resources), When to Plant Vegetables (Vegetable Planting Calendar for Central Maryland). Days to harvest: Ezina crop catalog, from state extension guides.
Solanum melongena
Tender
Start seed indoors April; Set out transplants May to June.
Ready in about 75 days from transplants. Tender: in spring, from about April 4 in Baltimore. If frost is in the forecast, hold off until it passes and nights stay above 36°F.
Source: University of Maryland Extension, Home & Garden Information Center (College of Agriculture and Natural Resources), When to Plant Vegetables (Vegetable Planting Calendar for Central Maryland). Days to harvest: Ezina crop catalog, from state extension guides.
Allium sativum
Cool seasonOverwinters
Plant October to April.
Ready in about 240 days.
Source: University of Maryland Extension, Home & Garden Information Center (College of Agriculture and Natural Resources), When to Plant Vegetables (Vegetable Planting Calendar for Central Maryland). Days to harvest: Ezina crop catalog, from state extension guides.
Phaseolus vulgaris
TenderSuccession sow
Sow May to August.
Ready in about 55 days; sow again every 5 weeks. Tender: in spring, from about April 4 in Baltimore. If frost is in the forecast, hold off until it passes and nights stay above 36°F.
Source: University of Maryland Extension, Home & Garden Information Center (College of Agriculture and Natural Resources), When to Plant Vegetables (Vegetable Planting Calendar for Central Maryland). Days to harvest: Ezina crop catalog, from state extension guides.
Brassica oleracea
Cool season
Sow April, and again July to August.
Ready in about 60 days from seed, 45 from transplants.
Source: University of Maryland Extension, Home & Garden Information Center (College of Agriculture and Natural Resources), When to Plant Vegetables (Vegetable Planting Calendar for Central Maryland). Days to harvest: Ezina crop catalog, from state extension guides.
Brassica oleracea
Cool season
Sow April to May, and again July to August.
Ready in about 55 days from seed, 45 from transplants.
Source: University of Maryland Extension, Home & Garden Information Center (College of Agriculture and Natural Resources), When to Plant Vegetables (Vegetable Planting Calendar for Central Maryland). Days to harvest: Ezina crop catalog, from state extension guides.
Allium ampeloprasum
Cool season
Sow April.
Ready in about 130 days from seed, 100 from transplants.
Source: University of Maryland Extension, Home & Garden Information Center (College of Agriculture and Natural Resources), When to Plant Vegetables (Vegetable Planting Calendar for Central Maryland). Days to harvest: Ezina crop catalog, from state extension guides.
Lactuca sativa
Cool seasonSuccession sow
Sow March to May, and again April to May, and again July to August; Start seed indoors March, and again July; Set out transplants April, and again August.
Ready in about 65 days from seed, 50 from transplants; sow again every 6 weeks.
Source: University of Maryland Extension, Home & Garden Information Center (College of Agriculture and Natural Resources), When to Plant Vegetables (Vegetable Planting Calendar for Central Maryland). Days to harvest: Ezina crop catalog, from state extension guides.
Phaseolus lunatus
Tender
Sow May to July.
Ready in about 75 days. Tender: in spring, from about April 4 in Baltimore. If frost is in the forecast, hold off until it passes and nights stay above 36°F.
Source: University of Maryland Extension, Home & Garden Information Center (College of Agriculture and Natural Resources), When to Plant Vegetables (Vegetable Planting Calendar for Central Maryland). Days to harvest: Ezina crop catalog, from state extension guides.
Brassica juncea
Cool season
Sow April to May, and again July to August.
Ready in about 45 days.
Source: University of Maryland Extension, Home & Garden Information Center (College of Agriculture and Natural Resources), When to Plant Vegetables (Vegetable Planting Calendar for Central Maryland). Days to harvest: Ezina crop catalog, from state extension guides.
Abelmoschus esculentus
Tender
Sow May.
Ready in about 55 days from seed, 45 from transplants. Tender: in spring, from about April 4 in Baltimore. If frost is in the forecast, hold off until it passes and nights stay above 36°F.
Source: University of Maryland Extension, Home & Garden Information Center (College of Agriculture and Natural Resources), When to Plant Vegetables (Vegetable Planting Calendar for Central Maryland). Days to harvest: Ezina crop catalog, from state extension guides.
Allium cepa
Cool season
Start seed indoors February; Set out transplants April.
Ready in about 110 days from seed, 95 from transplants.
Source: University of Maryland Extension, Home & Garden Information Center (College of Agriculture and Natural Resources), When to Plant Vegetables (Vegetable Planting Calendar for Central Maryland). Days to harvest: Ezina crop catalog, from state extension guides.
Petroselinum crispum
Cool season
Sow April.
Ready in about 78 days from seed, 50 from transplants.
Source: University of Maryland Extension, Home & Garden Information Center (College of Agriculture and Natural Resources), When to Plant Vegetables (Vegetable Planting Calendar for Central Maryland). Days to harvest: Ezina crop catalog, from state extension guides.
Pastinaca sativa
Cool season
Sow April.
Ready in about 120 days.
Source: University of Maryland Extension, Home & Garden Information Center (College of Agriculture and Natural Resources), When to Plant Vegetables (Vegetable Planting Calendar for Central Maryland). Days to harvest: Ezina crop catalog, from state extension guides.
Pisum sativum
Cool seasonSuccession sow
Sow March to April.
Ready in about 65 days; sow again every 5 weeks.
Source: University of Maryland Extension, Home & Garden Information Center (College of Agriculture and Natural Resources), When to Plant Vegetables (Vegetable Planting Calendar for Central Maryland). Days to harvest: Ezina crop catalog, from state extension guides.
Capsicum annuum
Tender
Start seed indoors March to April; Set out transplants May to June.
Ready in about 70 days from transplants. Tender: in spring, from about April 4 in Baltimore. If frost is in the forecast, hold off until it passes and nights stay above 36°F.
Source: University of Maryland Extension, Home & Garden Information Center (College of Agriculture and Natural Resources), When to Plant Vegetables (Vegetable Planting Calendar for Central Maryland). Days to harvest: Ezina crop catalog, from state extension guides.
Solanum tuberosum
Cool season
Plant March to May.
Ready in about 100 days.
Source: University of Maryland Extension, Home & Garden Information Center (College of Agriculture and Natural Resources), When to Plant Vegetables (Vegetable Planting Calendar for Central Maryland). Days to harvest: Ezina crop catalog, from state extension guides.
Cucurbita pepo
Tender
Sow May to June.
Ready in about 110 days from seed, 95 from transplants. Tender: in spring, from about April 4 in Baltimore. If frost is in the forecast, hold off until it passes and nights stay above 36°F.
Source: University of Maryland Extension, Home & Garden Information Center (College of Agriculture and Natural Resources), When to Plant Vegetables (Vegetable Planting Calendar for Central Maryland). Days to harvest: Ezina crop catalog, from state extension guides.
Raphanus sativus
Cool seasonSuccession sow
Sow March to May, and again July to September.
Ready in about 28 days; sow again every 3 weeks.
Source: University of Maryland Extension, Home & Garden Information Center (College of Agriculture and Natural Resources), When to Plant Vegetables (Vegetable Planting Calendar for Central Maryland). Days to harvest: Ezina crop catalog, from state extension guides.
Brassica napus
Cool season
Sow July.
Ready in about 95 days.
Source: University of Maryland Extension, Home & Garden Information Center (College of Agriculture and Natural Resources), When to Plant Vegetables (Vegetable Planting Calendar for Central Maryland). Days to harvest: Ezina crop catalog, from state extension guides.
Allium cepa
Cool season
Sow March to April, and again September to October.
Ready in about 100 days from seed, 90 from transplants.
Source: University of Maryland Extension, Home & Garden Information Center (College of Agriculture and Natural Resources), When to Plant Vegetables (Vegetable Planting Calendar for Central Maryland). Days to harvest: Ezina crop catalog, from state extension guides.
Vigna unguiculata
Tender
Sow May.
Ready in about 65 days. Tender: in spring, from about April 4 in Baltimore. If frost is in the forecast, hold off until it passes and nights stay above 36°F.
Source: University of Maryland Extension, Home & Garden Information Center (College of Agriculture and Natural Resources), When to Plant Vegetables (Vegetable Planting Calendar for Central Maryland). Days to harvest: Ezina crop catalog, from state extension guides.
Spinacia oleracea
Cool seasonSuccession sow
Sow March to April, and again August to September.
Ready in about 42 days; sow again every 5 weeks.
Source: University of Maryland Extension, Home & Garden Information Center (College of Agriculture and Natural Resources), When to Plant Vegetables (Vegetable Planting Calendar for Central Maryland). Days to harvest: Ezina crop catalog, from state extension guides.
Cucurbita pepo
TenderSuccession sow
Sow May to June.
Ready in about 50 days from seed, 40 from transplants; sow again every 7 weeks. Tender: in spring, from about April 4 in Baltimore. If frost is in the forecast, hold off until it passes and nights stay above 36°F.
Source: University of Maryland Extension, Home & Garden Information Center (College of Agriculture and Natural Resources), When to Plant Vegetables (Vegetable Planting Calendar for Central Maryland). Days to harvest: Ezina crop catalog, from state extension guides.
Zea mays
TenderSuccession sow
Sow May to July.
Ready in about 78 days; sow again every 6 weeks. Tender: in spring, from about April 4 in Baltimore. If frost is in the forecast, hold off until it passes and nights stay above 36°F.
Source: University of Maryland Extension, Home & Garden Information Center (College of Agriculture and Natural Resources), When to Plant Vegetables (Vegetable Planting Calendar for Central Maryland). Days to harvest: Ezina crop catalog, from state extension guides.
Ipomoea batatas
Tender
Start seed indoors April to May; Set out transplants May to June.
Ready in about 100 days from transplants. Tender: in spring, from about April 4 in Baltimore. If frost is in the forecast, hold off until it passes and nights stay above 36°F.
Source: University of Maryland Extension, Home & Garden Information Center (College of Agriculture and Natural Resources), When to Plant Vegetables (Vegetable Planting Calendar for Central Maryland). Days to harvest: Ezina crop catalog, from state extension guides.
Beta vulgaris
Cool season
Sow April to July.
Ready in about 55 days from seed, 40 from transplants.
Source: University of Maryland Extension, Home & Garden Information Center (College of Agriculture and Natural Resources), When to Plant Vegetables (Vegetable Planting Calendar for Central Maryland). Days to harvest: Ezina crop catalog, from state extension guides.
Physalis philadelphica
Tender
Start seed indoors March to April; Set out transplants May to June.
Ready in about 80 days from transplants. Tender: in spring, from about April 4 in Baltimore. If frost is in the forecast, hold off until it passes and nights stay above 36°F.
Source: University of Maryland Extension, Home & Garden Information Center (College of Agriculture and Natural Resources), When to Plant Vegetables (Vegetable Planting Calendar for Central Maryland). Days to harvest: Ezina crop catalog, from state extension guides.
Solanum lycopersicum
Tender
Start seed indoors March to May; Set out transplants May to July.
Ready in about 75 days from transplants. Tender: in spring, from about April 4 in Baltimore. If frost is in the forecast, hold off until it passes and nights stay above 36°F.
Source: University of Maryland Extension, Home & Garden Information Center (College of Agriculture and Natural Resources), When to Plant Vegetables (Vegetable Planting Calendar for Central Maryland). Days to harvest: Ezina crop catalog, from state extension guides.
Brassica rapa
Cool seasonSuccession sow
Sow March to April, and again July to August.
Ready in about 50 days; sow again every 5 weeks.
Source: University of Maryland Extension, Home & Garden Information Center (College of Agriculture and Natural Resources), When to Plant Vegetables (Vegetable Planting Calendar for Central Maryland). Days to harvest: Ezina crop catalog, from state extension guides.
Citrullus lanatus
Tender
Sow May to June.
Ready in about 85 days from seed, 75 from transplants. Tender: in spring, from about April 4 in Baltimore. If frost is in the forecast, hold off until it passes and nights stay above 36°F.
Source: University of Maryland Extension, Home & Garden Information Center (College of Agriculture and Natural Resources), When to Plant Vegetables (Vegetable Planting Calendar for Central Maryland). Days to harvest: Ezina crop catalog, from state extension guides.
Cucurbita moschata
Tender
Sow May to June.
Ready in about 95 days from seed, 80 from transplants. Tender: in spring, from about April 4 in Baltimore. If frost is in the forecast, hold off until it passes and nights stay above 36°F.
Source: University of Maryland Extension, Home & Garden Information Center (College of Agriculture and Natural Resources), When to Plant Vegetables (Vegetable Planting Calendar for Central Maryland). Days to harvest: Ezina crop catalog, from state extension guides.
§ 040 · Questions
On average from about March 24 in Baltimore to April 24 in Westminster. Frost is over 9 years in 10 by April 15 to May 22.
The extension service lists March to July. Tomatoes are frost-tender, so Ezina dates them from about April 4 in Baltimore. If frost is in the forecast, wait until it passes.
The extension calendar lists garlic, shallots for October.
The latest fall windows on the calendar close in October. Filter by Fall above to see what is still open.
A zone is the coldest winter night, not a frost date. These dates come from NOAA station records and the extension service.
Yes. Run Ezina Dig on your address and your bed plans are dated from that site's own frost records, on iPhone and Android in the contiguous U.S.