Harman US

Planting Calendar for ZIP 19342

Based on your local frost dates - last spring frost around Mar 30, first fall frost around Nov 16 - here is when to plant 79 common crops near ZIP 19342.

Last spring frost
Mar 30
First fall frost
Nov 16
Hardiness zone
7a

Vegetables

Crop Start seeds indoors Plant outside Fall planting by
Tomatoes Feb 16 Apr 6 (Transplant out) -
Peppers Feb 2 Apr 13 (Transplant out) -
Cucumbers Mar 9 Apr 6 (Transplant out) Sep 8
Zucchini Mar 9 Apr 6 (Transplant out) Sep 13
Summer Squash Mar 9 Apr 6 (Transplant out) Sep 11
Winter Squash Mar 9 Apr 6 (Transplant out) -
Pumpkins Mar 9 Apr 6 (Transplant out) -
Green Beans - Mar 30 (Direct sow) Sep 8
Sweet Corn - Apr 6 (Direct sow) -
Melons Mar 9 Apr 13 (Transplant out) -
Watermelon Mar 9 Apr 13 (Transplant out) -
Okra - Apr 13 (Direct sow) -
Eggplant Feb 2 Apr 13 (Transplant out) -
Lettuce Mar 2 Mar 2 (Transplant out) Sep 13
Spinach - Feb 16 (Direct sow) Sep 18
Kale Feb 16 Mar 9 (Transplant out) Sep 8
Peas - Feb 16 (Direct sow) Sep 3
Carrots - Mar 9 (Direct sow) Aug 24
Beets - Mar 2 (Direct sow) Sep 8
Radishes - Mar 2 (Direct sow) Oct 5
Broccoli Feb 16 Mar 16 (Transplant out) Aug 29
Cauliflower Feb 16 Mar 16 (Transplant out) Aug 24
Cabbage Feb 16 Mar 9 (Transplant out) Aug 24
Onions Jan 19 Mar 2 (Transplant out) -
Potatoes - Mar 16 (Direct sow) -
Swiss Chard Mar 2 Mar 16 (Transplant out) Sep 8
Sweet Potatoes - Apr 20 (Direct sow) -
Brussels Sprouts Feb 16 Mar 16 (Transplant out) Jul 25
Celery Jan 19 Apr 6 (Transplant out) -
Leeks Jan 19 Mar 16 (Transplant out) Jul 5
Turnips - Mar 16 (Direct sow) Sep 13
Rutabaga - Mar 30 (Direct sow) Jul 30
Parsnips - Mar 16 (Direct sow) Jul 5
Kohlrabi Mar 2 Mar 16 (Transplant out) Sep 8
Collard Greens Feb 16 Mar 16 (Transplant out) Aug 29
Mustard Greens - Mar 16 (Direct sow) Sep 18
Arugula - Mar 16 (Direct sow) Sep 23
Bok Choy Mar 2 Mar 16 (Transplant out) Sep 13
Green Onions - Mar 16 (Direct sow) Sep 3
Tomatillos Feb 16 Apr 6 (Transplant out) -
Fennel Mar 2 Mar 16 (Transplant out) Aug 14
Popcorn Mar 30 Apr 13 (Transplant out) -
Black-Eyed Peas Mar 30 Apr 13 (Transplant out) Aug 14
Lima Beans Mar 30 Apr 13 (Transplant out) -
Edamame Mar 30 Apr 13 (Transplant out) -
Peanuts Mar 30 Apr 13 (Transplant out) -
Globe Artichoke Feb 2 Mar 16 (Transplant out) Aug 4
Horseradish Mar 30 Mar 16 (Transplant out) -
Ground Cherries Feb 16 Apr 13 (Transplant out) -
Radicchio Feb 23 Mar 16 (Transplant out) Aug 24
Endive Feb 23 Mar 16 (Transplant out) Aug 4
Watercress Mar 9 Mar 16 (Transplant out) Sep 3
Sorrel Feb 16 Mar 9 (Transplant out) Sep 3
Sunchokes Mar 30 Mar 16 (Transplant out) -
Malabar Spinach Feb 16 Apr 13 (Transplant out) -
Amaranth Greens Mar 9 Apr 13 (Transplant out) Sep 18
Luffa Gourd Feb 16 Apr 13 (Transplant out) -
New Zealand Spinach Mar 2 Apr 13 (Transplant out) -
Fava Beans Mar 30 Mar 2 (Transplant out) Aug 9
Chayote Mar 2 Apr 13 (Transplant out) -
Corn Salad Mar 30 Mar 2 (Transplant out) Sep 3
Bitter Melon Mar 2 Apr 13 (Transplant out) -
Cardoon Feb 16 Mar 30 (Transplant out) -

Herbs

Crop Start seeds indoors Plant outside Fall planting by
Basil Feb 16 Apr 6 (Transplant out) -
Cilantro - Mar 16 (Direct sow) Sep 13
Parsley Feb 2 Apr 13 (Transplant out) Aug 19
Dill - Apr 6 (Direct sow) Sep 3
Lemon Balm Feb 16 Mar 30 (Transplant out) -
Borage Mar 30 Mar 30 (Transplant out) Sep 8
Chervil Mar 30 Mar 9 (Transplant out) Sep 8
Lemongrass Feb 2 Apr 13 (Transplant out) -
Summer Savory Feb 16 Mar 30 (Transplant out) -
Marjoram Feb 16 Apr 6 (Transplant out) -
Lovage Feb 16 Mar 30 (Transplant out) Aug 4
Anise Hyssop Feb 2 Mar 30 (Transplant out) -
Shiso Feb 16 Apr 6 (Transplant out) -
Stevia Feb 2 Apr 13 (Transplant out) -
Chamomile Feb 16 Mar 16 (Transplant out) Aug 29
Tarragon Mar 30 Mar 30 (Transplant out) -
How to read this calendar

Start seeds indoors is when to sow in trays inside so seedlings are ready to transplant. Plant outside is when to transplant seedlings or direct-sow seed, based on frost tolerance. Fall planting by is the latest date to start a fall crop and still harvest before the first fall frost. Tender crops wait until after the last spring frost; hardy crops can go out earlier.

Computed from NOAA 1991–2020 Climate Normals at Marcus Hook, Pa, 6.8 miles away. Averages for planning, not a forecast. Page updated Aug 4, 2026.

Full frost dates for 19342 Local weather →