When to Plant Vegetable Seeds. Zone 6a Philadelphia, PA
Crop | Days to Maturity | Spring Planting Dates | Fall Planting Dates | Seed/Plants 100 ft. |
Distance Between Rows | Distance Between Plants | Depth to Plant |
Asparagus | 2nd season | Apr 5 - 25 | 50 roots | 3 to 5 ft. | 1½ to 2 ft. | 6 in. | |
Bean, bush | 50-60 | Apr 25 - May 30 | July 25-Aug 5 | ½ lb. | 3 ft. | 2 to 4 in. | 1-1½ in. |
Bean, pole | 65-75 | May 10 - 20 | ½ lb. | 3 ft. | 6 to 12 in. | 1-1½ in. | |
Bean, lima | 65-75 | May 10 -25 | 1 lb. | 2 to 2½ ft. | 3 to 4 in. | 1-1½ in. | |
Beet | 55-65 | Apr 1 - 15 | Aug 1 - Sept 25 | 1 oz. | 2 to 2½ ft. | 2 in. | 1 in. |
Broccoli | 60-80 | Mar 25 - Apr 5 | Sept. 25 - 30 | 100 plants | 2½ ft. | 14 to 18 in. | - |
Cabbage | 65-80 | Apr 1 - 20 | Sept 20 -30 | 100 plants | 2½ ft. | 12 in. | - |
Cantaloupe | 80-90 | May 10 - 20 | 1 oz. | 4 to 6 ft. | 3½ to 4 ft. | 1½ in | |
Carrot | 70-80 | Mar 25 - Apr 10 | Sept 20 -30 | ½ oz. | 2 ft. | 2 to 3 in. | ½ in. |
Cauliflower | 55-60 | Apr 1 - 20 | Sept 20 - 30 | 100 plants | 3 ft. | 12 to 18 in. | - |
Collard | 55-70 | Mar 20 - Apr 10 | ½ oz. | 2½ ft. | 8 to 16 in. | ½ in. | |
Corn | 80-100 | May 1 - July 20 | ¼ lb. | 3 to 3½ ft. | 12 to 18 in. | 2 in. | |
Cucumber | 60-65 | May 10 - 30 | 1 oz. | 3½ to 5 ft. | 3 to 4 ft. | 1½ in. | |
Eggplant | 75-90 | May 15 - 25 | 50 plants | 3 ft. | 2½ to 3 ft. | - | |
Kale | 50-70 | Mar 25 - Apr 5 | ½ oz. | 3 ft. | 10 in. | ½ in. | |
Kohlrabi | 50-70 | Apr 1 - 15 | Sept 20 - 25 | ½ oz. | 3 ft. | 10 in. | ½ in. |
Lettuce | 60-85 | Apr 1 - May 15 | Sept 1 - 15 | ½ oz. | 2 to 2½ ft. | 10 to 12 in. | ½ in. |
Mustard | 40-50 | Mar 25 - May 1 | Aug 1 - 30 | ½ oz. | 2 ft. | 1 in. | ½ in. |
Okra | 55-60 | May 10 - 25 | 1 oz. | 3 to 3½ ft. | 6 in. | 1 in. | |
Onion (mature) | 100-120 | Mar 25 - Apr 15 | Sept. 1-Dec. 31 | 300 plants or ½ gal. sets | 1 to 2 ft. | 3 to 4 in. | ¾ in. |
Peas, garden | 60-80 | Mar 25 - Apr 10 | 1 lb. | 2½ ft. | 1 in. | 1½-2 in. | |
Peas, southern | 60-70 | May 1 - 15 | - | ½ lb. | 3 ft. | 4 to 6 in. | 1½-2 in. |
Pepper | 65-80 | May 15 - 30 | - | 50 plants | 2½ ft. | 1½ to 2 ft. | - |
Potato, Irish | 70-90 | Apr 1 - 15 | 1 peck | 2½ to 3 ft. | 10 to 14 in. | 5 in. | |
Potato, sweet | 90-150 | May 15-June 5 | - | 100 plants | 3½ ft. | 12 in. | - |
Radish | 25-30 | Mar 25 - May 1 | Aug 1- 20 | 1 oz. | 1½ ft. | 1 in. | ½ in. |
Spinach | 40-45 | Apr 1 - 20 | Aug 10 - Sept 20 | 1 oz. | 1½ to 2 ft. | 1 to 2 in. | ¾ in. |
Squash, bush | 50-55 | May 15 - 30 | 1 oz. | 3 to 4 ft. | 2 ft. | 1½-2 in. | |
squash, winter | 85-90 | May 15 - 30 | - | ½ oz. | 5 ft. | 3 ft. | 1½-2 in. |
Tomato | 70-85 | May 15 - 30 | 50 plants | 3 to 4 ft. | 2½ to 3 ft. | - | |
Turnip | 45-65 | Mar 25 - May 1 | Aug 5 - Sept 20 | ½ oz. | 1 to 2 ft. | 1 to 2 in. | ½ in. |
Watermelon | 80-90 | May 10 - 20 | 1 oz. | 10 ft. | 8 to 10 ft. | 1½ in. |