Gardening Calendar for Delaware

We used the most populated zip code in Delaware (New Castle, DE) to calculate this information. To use your zip code instead and get the most accurate calendar for your area, create an account. You can then select which plants you want in your garden, and we'll send you reminders when it's time to seed, transplant, and sow. No more having to remember when the ideal time to plant everything is!

  • My Zipcode

    19720 use my zip instead

  • Estimated Last Frost Date

    April 3

  • Estimated First Frost Date

    November 6

How do I create my own garden calendar using my zip code?

You can use Rooted Reminders to:

  • Add your own zip
  • Select the plants you want to grow
  • Get reminded via email when it's time to plant them
  • See what else you can plant now in your area
  • And it's FREE

I love gardening and programming and I built this tool for myself. Hopefully you find it useful as well. If you do, you can support the site buy buying seeds through our links (we recieve a very small amount of sales through these links).

When to plant vegetables, flowers, and herbs in Delaware

We used the most populated zip code in Delaware (New Castle, DE) to calculate this information. Run the numbers with your zip code instead.

Plant Spring Seed Spring Transplant Spring Sow Fall Seed Fall Transplant Fall Sow Buy seeds Track
Marigold February 21 April 3 - - - - buy seeds
Coleus February 7 March 27 - - - - buy seeds
Salvia February 21 April 3 - - - - buy seeds
Scabiosa February 21 April 3 - - - - buy seeds
Statice February 21 April 3 - - - - buy seeds
Gomphrena February 21 April 3 - - - - buy seeds
Allium February 21 April 3 - - - - buy seeds
Stock February 7 April 3 - - - - buy seeds
Bachelor button February 21 April 3 - - - - buy seeds
Calendula February 21 March 27 - - - - buy seeds
Cosmosa February 7 April 10 - - - - buy seeds
Impatiens February 7 April 17 - - - - buy seeds
Petunias February 7 April 3 - - - - buy seeds
Strawflower February 21 April 3 - - - - buy seeds
Phlox February 7 April 3 - - - - buy seeds
Verbena February 7 April 3 - - - - buy seeds
Radish - - February 7 - - - buy seeds
Swiss Chard February 23 March 15 - - - - buy seeds
Peas - - February 23 - - - buy seeds
Squash - - February 23 - - - buy seeds
Kohlrabi January 24 February 27 - - - - buy seeds
Oregano January 26 April 5 - - - - buy seeds
Rosemary January 26 April 12 - - - - buy seeds
Sage February 9 April 5 - - - - buy seeds
Ageratum February 21 April 3 - - - - buy seeds
Carrots - - March 1 - - - buy seeds
Turnip - - March 6 - - - buy seeds
Morning Glory March 13 April 9 - - - - buy seeds
Cilantro - April 3 April 5 - - - buy seeds
Sunflower March 14 April 11 - - - - buy seeds
Zinnia March 6 April 11 - - - - buy seeds
Beets - - March 19 - - - buy seeds
Spinach - - March 23 - - - buy seeds
Potatoes - - March 29 - - - buy seeds
Pumpkins March 15 April 19 - - - - buy seeds
Okra - - April 19 - - - buy seeds
Parsnip - - March 15 - - - buy seeds
Watermelon March 8 April 17 - - - - buy seeds
Onion - - April 17 - - - buy seeds
Zucchini - - April 17 - - - buy seeds
Beans (Green) - - April 12 - - - buy seeds
Dill - - April 5 - - - buy seeds
Potatoes (Sweet) - - April 26 June 18 July 23 - buy seeds
Celery January 26 March 8 - May 29 August 7 - buy seeds
Lettuce February 23 March 22 - - - - buy seeds
Aster February 21 April 3 - - - - buy seeds
Snapdragon February 7 April 3 - - - - buy seeds
Celosia February 21 April 3 - - - - buy seeds
Chives - - March 6 - - - buy seeds
Parsley - - March 8 - - - buy seeds
Thyme January 26 April 5 - - - - buy seeds
Arugula - April 3 March 19 - - - buy seeds
Beans (Fava) January 12 - - September 20 - - buy seeds
Eggplant February 9 March 18 - June 7 August 2 - buy seeds
Basil February 6 April 4 - - - - buy seeds
Cauliflower February 9 March 8 - October 11 September 6 - buy seeds
Broccoli February 6 March 8 - August 9 September 6 - buy seeds
Cabbage February 8 March 8 - July 30 August 27 - buy seeds
Peppers (Jalapenos) January 26 April 12 - June 27 August 22 - buy seeds
Kale February 9 March 8 - September 13 October 11 - buy seeds
Tomato March 4 April 8 - May 29 July 24 - buy seeds
Canteloupe March 8 March 18 - - - - buy seeds
Cucumbers March 8 - - October 21 - - buy seeds
Peppers (Bell) January 23 April 9 - June 7 August 2 - buy seeds

Create a free custom garden calendar in 5 minutes

When it comes to gardening, timing is everything and there’s a lot to time. Rooted Reminders reminds you when to plant what for best results.

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