Maryland planting calendar
Using Maryland’s average last spring frost of April 14 and first fall frost of October 20 — about 189 frost-free days. USDA zones 5b, 6a, 6b, 7a, 7b, 8a.
Maryland covers a very wide range of climates. Treat this as a starting point and adjust to your local frost dates — the calendar generator lets you enter them.
| Crop | Start indoors | Transplant / sow out | Fall sowing | First harvest |
|---|---|---|---|---|
| Celeriac | Jan 20 – Feb 3 | Apr 7 – Apr 24 | — | Jul 23 – Aug 12 |
| Onion | Jan 27 – Feb 10 | Mar 17 – Apr 3 | — | Jun 22 – Jul 22 |
| Leek | Jan 27 – Feb 10 | Mar 24 – Apr 10 | — | Jul 9 – Aug 28 |
| Celery | Jan 27 – Feb 10 | Apr 7 – Apr 24 | — | Jul 23 – Sep 1 |
| Rosemary | Jan 27 – Feb 10 | Apr 14 – May 1 | — | Jul 20 – Aug 19 |
| Eggplant | Feb 3 – Feb 17 | Apr 28 – May 15 | — | Jul 9 – Jul 29 |
| Parsley | Feb 3 – Feb 17 | Mar 24 – Apr 10 | Aug 1 – Aug 18 | Jun 9 – Jun 29 |
| Shallot | Feb 3 – Feb 17 | Mar 17 – Apr 3 | Oct 24 – Nov 10 | Jun 22 – Jul 22 |
| Bell Pepper | Feb 10 – Feb 24 | Apr 21 – May 8 | — | Jun 27 – Jul 27 |
| Chili Pepper | Feb 10 – Feb 24 | Apr 21 – May 8 | — | Jul 7 – Aug 6 |
| Green Onion / Scallion | Feb 10 – Feb 24 | Mar 10 – Mar 27 | Aug 15 – Sep 1 | May 16 – Jun 5 |
| Thyme | Feb 10 – Feb 24 | Apr 7 – Apr 24 | — | Jun 28 – Jul 13 |
| Oregano | Feb 10 – Feb 24 | Apr 7 – Apr 24 | — | Jul 3 – Jul 13 |
| Mint | Feb 10 – Feb 24 | Mar 31 – Apr 17 | — | Jun 16 – Jul 6 |
| Sage | Feb 10 – Feb 24 | Apr 7 – Apr 24 | — | Jun 28 – Jul 13 |
| Tarragon | Feb 10 – Feb 24 | Mar 31 – Apr 17 | — | Jun 6 – Jul 6 |
| Ginger | Feb 10 – Feb 24 | Apr 28 – May 15 | — | Dec 31 – Mar 1 |
| Turmeric | Feb 10 – Feb 24 | Apr 28 – May 15 | — | Dec 31 – Mar 1 |
| Tomato | Feb 17 – Mar 3 | Apr 14 – May 1 | — | Jun 20 – Jul 15 |
| Tomatillo | Feb 17 – Mar 3 | Apr 14 – May 1 | — | Jul 5 – Jul 30 |
| Ground Cherry | Feb 17 – Mar 3 | Apr 14 – May 1 | — | Jun 30 – Jul 20 |
| Sweet Marjoram | Feb 17 – Mar 3 | Apr 14 – May 1 | — | Jun 20 – Jul 10 |
| Lemon Balm | Feb 17 – Mar 3 | Mar 31 – Apr 17 | — | Jun 16 – Jul 6 |
| Shiso (Perilla) | Feb 17 – Mar 3 | Apr 14 – May 1 | — | Jun 30 – Jul 20 |
| Kale | Feb 24 – Mar 10 | Mar 17 – Apr 3 | Jul 25 – Aug 11 | May 13 – May 28 |
| Broccoli | Feb 24 – Mar 10 | Mar 24 – Apr 10 | Jul 11 – Jul 28 | May 30 – Jun 24 |
| Cauliflower | Feb 24 – Mar 10 | Mar 24 – Apr 10 | Jul 11 – Jul 28 | May 30 – Jun 29 |
| Cabbage | Feb 24 – Mar 10 | Mar 17 – Apr 3 | Jul 11 – Jul 28 | May 23 – Jul 2 |
| Brussels Sprouts | Feb 24 – Mar 10 | Mar 24 – Apr 10 | Jun 20 – Jul 7 | Jun 29 – Jul 29 |
| Okra | Mar 3 – Mar 17 | Apr 21 – May 8 | — | Jun 17 – Jul 2 |
| Basil | Mar 3 – Mar 17 | Apr 21 – May 8 | — | May 28 – Jun 27 |
| Collard Greens | Mar 3 – Mar 17 | Mar 17 – Apr 3 | Aug 1 – Aug 18 | May 18 – Jun 7 |
| Kohlrabi | Mar 3 – Mar 17 | Mar 17 – Apr 3 | Aug 15 – Sep 1 | May 8 – May 23 |
| Endive & Escarole | Mar 3 – Mar 17 | Mar 24 – Apr 10 | Aug 1 – Aug 18 | Jun 24 – Jul 9 |
| Radicchio | Mar 3 – Mar 17 | Mar 24 – Apr 10 | Jul 25 – Aug 11 | May 30 – Jul 9 |
| Chayote | Mar 3 – Mar 17 | Apr 21 – May 8 | — | Aug 26 – Sep 25 |
| Malabar Spinach | Mar 3 – Mar 17 | Apr 21 – May 8 | — | Jun 22 – Jul 7 |
| Summer Savory | Mar 3 – Mar 17 | Apr 14 – May 1 | — | Jun 15 – Jun 30 |
| Pea | — | Mar 5 – Mar 24 | Aug 1 – Aug 18 | May 4 – May 19 |
| Spinach | — | Mar 5 – Mar 24 | Aug 22 – Sep 8 | Apr 16 – Apr 24 |
| Mache (Corn Salad) | — | Mar 5 – Mar 24 | Aug 15 – Sep 1 | Apr 24 – May 9 |
| Lettuce | Mar 10 – Mar 24 | Mar 24 – Apr 10 | Aug 15 – Sep 1 | Apr 30 – May 30 |
| Swiss Chard | Mar 10 – Mar 24 | Mar 24 – Apr 10 | Aug 1 – Aug 18 | May 20 – May 30 |
| Bok Choy / Pak Choi | Mar 10 – Mar 24 | Mar 24 – Apr 10 | Aug 15 – Sep 1 | May 5 – May 20 |
| Fennel (Bulb) | Mar 10 – Mar 24 | Mar 31 – Apr 17 | Jul 18 – Aug 4 | Jun 11 – Jul 6 |
| Napa Cabbage | Mar 10 – Mar 24 | Mar 24 – Apr 10 | Aug 1 – Aug 18 | May 20 – Jun 14 |
| Bitter Melon | Mar 10 – Mar 24 | Apr 21 – May 8 | — | Jun 22 – Jul 12 |
| Cucamelon | Mar 10 – Mar 24 | Apr 21 – May 8 | — | Jul 2 – Jul 12 |
| New Zealand Spinach | Mar 10 – Mar 24 | Apr 14 – May 1 | — | Jun 10 – Jun 30 |
| Peanut | Mar 10 – Mar 24 | Apr 14 – May 1 | — | Jul 30 – Sep 18 |
| Watercress | Mar 10 – Mar 24 | Mar 24 – Apr 10 | Aug 29 – Sep 15 | May 20 – May 30 |
| Luffa (Loofah Gourd) | Mar 10 – Mar 24 | Apr 21 – May 8 | — | Jul 27 – Sep 25 |
| Beet | — | Mar 12 – Mar 31 | Aug 8 – Aug 25 | May 6 – May 26 |
| Radish | — | Mar 12 – Mar 31 | Sep 5 – Sep 22 | Apr 8 – Apr 16 |
| Arugula | — | Mar 12 – Mar 31 | Aug 29 – Sep 15 | Apr 16 – Apr 26 |
| Fava Bean (Broad Bean) | — | Mar 12 – Mar 31 | Aug 15 – Sep 1 | May 31 – Jun 15 |
| Tatsoi | — | Mar 12 – Mar 31 | Aug 22 – Sep 8 | Apr 21 – May 6 |
| Mizuna | — | Mar 12 – Mar 31 | Aug 15 – Sep 1 | Apr 21 – May 1 |
| Cucumber | Mar 17 – Mar 31 | Apr 21 – May 8 | Jul 18 – Aug 4 | Jun 17 – Jul 7 |
| Zucchini / Summer Squash | Mar 17 – Mar 31 | Apr 14 – May 1 | Jul 18 – Aug 4 | Jun 5 – Jun 20 |
| Winter Squash | Mar 17 – Mar 31 | Apr 14 – May 1 | — | Jul 10 – Aug 9 |
| Pumpkin | Mar 17 – Mar 31 | Apr 14 – May 1 | — | Jul 20 – Aug 19 |
| Cantaloupe / Muskmelon | Mar 17 – Mar 31 | Apr 21 – May 8 | — | Jul 7 – Jul 27 |
| Watermelon | Mar 17 – Mar 31 | Apr 21 – May 8 | — | Jul 7 – Aug 6 |
| Rhubarb | — | Mar 17 – Apr 3 | — | — |
| Horseradish | — | Mar 17 – Apr 3 | — | — |
| Sunflower | Mar 17 – Mar 31 | Apr 14 – May 1 | — | Jun 30 – Jul 30 |
| Carrot | — | Mar 19 – Apr 7 | Jul 25 – Aug 11 | May 23 – Jun 12 |
| Turnip | — | Mar 19 – Apr 7 | Aug 22 – Sep 8 | May 3 – May 23 |
| Mustard Greens | — | Mar 19 – Apr 7 | Aug 22 – Sep 8 | Apr 23 – May 8 |
| Rapini (Broccoli Raab) | — | Mar 19 – Apr 7 | Aug 15 – Sep 1 | May 3 – May 23 |
| Chervil | — | Mar 19 – Apr 7 | Aug 22 – Sep 8 | May 3 – May 23 |
| Chives | — | Mar 24 – Apr 10 | — | — |
| Asparagus | — | Mar 24 – Apr 10 | — | — |
| Sorrel | — | Mar 24 – Apr 10 | — | — |
| Potato | — | Mar 26 – Apr 14 | — | Jun 9 – Jul 29 |
| Cilantro / Coriander | — | Mar 26 – Apr 14 | Aug 8 – Aug 25 | May 15 – Jun 9 |
| Salsify | — | Mar 26 – Apr 14 | — | Jul 19 – Aug 28 |
| Borage | — | Mar 26 – Apr 14 | Aug 15 – Sep 1 | May 25 – Jun 14 |
| Globe Artichoke | — | Mar 31 – Apr 17 | — | — |
| Parsnip | — | Apr 2 – Apr 21 | — | Jul 16 – Aug 15 |
| Dill | — | Apr 9 – Apr 28 | Aug 15 – Sep 1 | May 24 – Jun 13 |
| Bush Bean | — | Apr 16 – May 5 | Jul 25 – Aug 11 | Jun 10 – Jun 20 |
| Pole Bean | — | Apr 16 – May 5 | — | Jun 20 – Jun 30 |
| Sweet Corn | — | Apr 16 – May 5 | — | Jun 20 – Jul 30 |
| Edamame (Soybean) | — | Apr 16 – May 5 | — | Jul 5 – Jul 30 |
| Amaranth (Leaf) | — | Apr 16 – May 5 | — | May 21 – Jun 10 |
| Lima Bean | — | Apr 23 – May 12 | — | Jul 2 – Aug 1 |
| Southern Pea (Cowpea) | — | Apr 23 – May 12 | — | Jun 27 – Jul 27 |
| Sweet Potato | — | Apr 28 – May 15 | — | Aug 3 – Sep 2 |
| Rutabaga | — | — | Jul 4 – Jul 21 | — |
| Garlic | — | — | Oct 31 – Nov 17 | — |
Windows are ~1–2 week bands around each date. Frost dates are a statewide average from NOAA/NCEI normals; your town may differ by two weeks or more. Calendar year 2026.