Gardening Calendar for New Hampshire

We used the most populated zip code in New Hampshire (Manchester, NH) 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

    03103 use my zip instead

  • Estimated Last Frost Date

    April 23

  • Estimated First Frost Date

    October 15

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 New Hampshire

We used the most populated zip code in New Hampshire (Manchester, NH) 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 March 12 April 23 - - - - buy seeds
Morning Glory April 2 April 29 - - - - buy seeds
Cabbage February 27 March 28 - July 8 August 5 - buy seeds
Coleus February 26 April 16 - - - - buy seeds
Salvia March 12 April 23 - - - - buy seeds
Statice March 12 April 23 - - - - buy seeds
Allium March 12 April 23 - - - - buy seeds
Stock February 26 April 23 - - - - buy seeds
Bachelor button March 12 April 23 - - - - buy seeds
Calendula March 12 April 16 - - - - buy seeds
Cosmosa February 26 April 30 - - - - buy seeds
Impatiens February 26 May 7 - - - - buy seeds
Petunias February 26 April 23 - - - - buy seeds
Strawflower March 12 April 23 - - - - buy seeds
Phlox February 26 April 23 - - - - buy seeds
Verbena February 26 April 23 - - - - buy seeds
Sunflower April 3 May 1 - - - - buy seeds
Scabiosa March 12 April 23 - - - - buy seeds
Gomphrena March 12 April 23 - - - - buy seeds
Cilantro - April 23 April 25 - - - buy seeds
Zinnia March 26 May 1 - - - - buy seeds
Kohlrabi February 12 March 18 - - - - buy seeds
Celery February 14 March 28 - May 7 July 16 - buy seeds
Oregano February 14 April 25 - - - - buy seeds
Rosemary February 14 May 2 - - - - buy seeds
Thyme February 14 April 25 - - - - buy seeds
Peppers (Bell) February 11 April 29 - May 16 July 11 - buy seeds
Radish - - February 26 - - - buy seeds
Swiss Chard March 14 April 4 - - - - buy seeds
Watermelon March 28 May 7 - - - - buy seeds
Squash - - March 14 - - - buy seeds
Onion - - May 7 - - - buy seeds
Dill - - April 25 - - - buy seeds
Lettuce March 14 April 11 - - - - buy seeds
Sage February 28 April 25 - - - - buy seeds
Ageratum March 12 April 23 - - - - buy seeds
Aster March 12 April 23 - - - - buy seeds
Snapdragon February 26 April 23 - - - - buy seeds
Celosia March 12 April 23 - - - - buy seeds
Eggplant February 28 April 7 - May 16 July 11 - buy seeds
Canteloupe March 28 April 7 - - - - buy seeds
Basil February 25 April 24 - - - - buy seeds
Cauliflower February 28 March 28 - September 19 August 15 - buy seeds
Cucumbers March 28 - - September 29 - - buy seeds
Broccoli February 25 March 28 - July 18 August 15 - buy seeds
Spinach - - April 12 - - - buy seeds
Pumpkins April 4 May 9 - - - - buy seeds
Potatoes (Sweet) - - May 16 May 27 July 1 - buy seeds
Beets - - April 8 - - - buy seeds
Potatoes - - April 18 - - - buy seeds
Okra - - May 9 - - - buy seeds
Parsnip - - April 4 - - - buy seeds
Peas - - March 14 - - - buy seeds
Zucchini - - May 7 - - - buy seeds
Beans (Green) - - May 2 - - - buy seeds
Turnip - - March 26 - - - buy seeds
Arugula - April 23 April 8 - - - buy seeds
Chives - - March 26 - - - buy seeds
Parsley - - March 28 - - - buy seeds
Beans (Fava) January 31 - - August 29 - - buy seeds
Peppers (Jalapenos) February 14 May 2 - June 5 July 31 - buy seeds
Kale February 28 March 28 - August 22 September 19 - buy seeds
Tomato March 24 April 28 - May 7 July 2 - buy seeds
Carrots - - March 21 - - - 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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