Harman US

Planting Calendar for ZIP 17004

Based on your local frost dates - last spring frost around Apr 21, first fall frost around Oct 24 - here is when to plant 79 common crops near ZIP 17004.

Last spring frost
Apr 21
First fall frost
Oct 24
Hardiness zone
6b

Vegetables

Crop Start seeds indoors Plant outside Fall planting by
Tomatoes Mar 10 Apr 28 (Transplant out) -
Peppers Feb 24 May 5 (Transplant out) -
Cucumbers Mar 31 Apr 28 (Transplant out) Aug 16
Zucchini Mar 31 Apr 28 (Transplant out) Aug 21
Summer Squash Mar 31 Apr 28 (Transplant out) Aug 19
Winter Squash Mar 31 Apr 28 (Transplant out) -
Pumpkins Mar 31 Apr 28 (Transplant out) -
Green Beans - Apr 21 (Direct sow) Aug 16
Sweet Corn - Apr 28 (Direct sow) -
Melons Mar 31 May 5 (Transplant out) -
Watermelon Mar 31 May 5 (Transplant out) -
Okra - May 5 (Direct sow) -
Eggplant Feb 24 May 5 (Transplant out) -
Lettuce Mar 24 Mar 24 (Transplant out) Aug 21
Spinach - Mar 10 (Direct sow) Aug 26
Kale Mar 10 Mar 31 (Transplant out) Aug 16
Peas - Mar 10 (Direct sow) Aug 11
Carrots - Mar 31 (Direct sow) Aug 1
Beets - Mar 24 (Direct sow) Aug 16
Radishes - Mar 24 (Direct sow) Sep 12
Broccoli Mar 10 Apr 7 (Transplant out) Aug 6
Cauliflower Mar 10 Apr 7 (Transplant out) Aug 1
Cabbage Mar 10 Mar 31 (Transplant out) Aug 1
Onions Feb 10 Mar 24 (Transplant out) -
Potatoes - Apr 7 (Direct sow) -
Swiss Chard Mar 24 Apr 7 (Transplant out) Aug 16
Sweet Potatoes - May 12 (Direct sow) -
Brussels Sprouts Mar 10 Apr 7 (Transplant out) Jul 2
Celery Feb 10 Apr 28 (Transplant out) -
Leeks Feb 10 Apr 7 (Transplant out) Jun 12
Turnips - Apr 7 (Direct sow) Aug 21
Rutabaga - Apr 21 (Direct sow) Jul 7
Parsnips - Apr 7 (Direct sow) Jun 12
Kohlrabi Mar 24 Apr 7 (Transplant out) Aug 16
Collard Greens Mar 10 Apr 7 (Transplant out) Aug 6
Mustard Greens - Apr 7 (Direct sow) Aug 26
Arugula - Apr 7 (Direct sow) Aug 31
Bok Choy Mar 24 Apr 7 (Transplant out) Aug 21
Green Onions - Apr 7 (Direct sow) Aug 11
Tomatillos Mar 10 Apr 28 (Transplant out) -
Fennel Mar 24 Apr 7 (Transplant out) Jul 22
Popcorn Apr 21 May 5 (Transplant out) -
Black-Eyed Peas Apr 21 May 5 (Transplant out) Jul 22
Lima Beans Apr 21 May 5 (Transplant out) -
Edamame Apr 21 May 5 (Transplant out) -
Peanuts Apr 21 May 5 (Transplant out) -
Globe Artichoke Feb 24 Apr 7 (Transplant out) Jul 12
Horseradish Apr 21 Apr 7 (Transplant out) -
Ground Cherries Mar 10 May 5 (Transplant out) -
Radicchio Mar 17 Apr 7 (Transplant out) Aug 1
Endive Mar 17 Apr 7 (Transplant out) Jul 12
Watercress Mar 31 Apr 7 (Transplant out) Aug 11
Sorrel Mar 10 Mar 31 (Transplant out) Aug 11
Sunchokes Apr 21 Apr 7 (Transplant out) -
Malabar Spinach Mar 10 May 5 (Transplant out) -
Amaranth Greens Mar 31 May 5 (Transplant out) Aug 26
Luffa Gourd Mar 10 May 5 (Transplant out) -
New Zealand Spinach Mar 24 May 5 (Transplant out) -
Fava Beans Apr 21 Mar 24 (Transplant out) Jul 17
Chayote Mar 24 May 5 (Transplant out) -
Corn Salad Apr 21 Mar 24 (Transplant out) Aug 11
Bitter Melon Mar 24 May 5 (Transplant out) -
Cardoon Mar 10 Apr 21 (Transplant out) -

Herbs

Crop Start seeds indoors Plant outside Fall planting by
Basil Mar 10 Apr 28 (Transplant out) -
Cilantro - Apr 7 (Direct sow) Aug 21
Parsley Feb 24 May 5 (Transplant out) Jul 27
Dill - Apr 28 (Direct sow) Aug 11
Lemon Balm Mar 10 Apr 21 (Transplant out) -
Borage Apr 21 Apr 21 (Transplant out) Aug 16
Chervil Apr 21 Mar 31 (Transplant out) Aug 16
Lemongrass Feb 24 May 5 (Transplant out) -
Summer Savory Mar 10 Apr 21 (Transplant out) -
Marjoram Mar 10 Apr 28 (Transplant out) -
Lovage Mar 10 Apr 21 (Transplant out) Jul 12
Anise Hyssop Feb 24 Apr 21 (Transplant out) -
Shiso Mar 10 Apr 28 (Transplant out) -
Stevia Feb 24 May 5 (Transplant out) -
Chamomile Mar 10 Apr 7 (Transplant out) Aug 6
Tarragon Apr 21 Apr 21 (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 Lewistown, Pa, 8.5 miles away. Averages for planning, not a forecast. Page updated Aug 4, 2026.

Full frost dates for 17004 Local weather →