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 22

  • Estimated First Frost Date

    October 14

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 11 April 22 - - - - buy seeds
Morning Glory April 1 April 28 - - - - buy seeds
Cabbage February 27 March 27 - July 7 August 4 - buy seeds
Coleus February 26 April 15 - - - - buy seeds
Salvia March 11 April 22 - - - - buy seeds
Scabiosa March 11 April 22 - - - - buy seeds
Statice March 11 April 22 - - - - buy seeds
Allium March 11 April 22 - - - - buy seeds
Stock February 26 April 22 - - - - buy seeds
Bachelor button March 11 April 22 - - - - buy seeds
Calendula March 11 April 15 - - - - buy seeds
Cosmosa February 26 April 29 - - - - buy seeds
Impatiens February 26 May 6 - - - - buy seeds
Petunias February 26 April 22 - - - - buy seeds
Strawflower March 11 April 22 - - - - buy seeds
Phlox February 26 April 22 - - - - buy seeds
Verbena February 26 April 22 - - - - buy seeds
Zinnia March 25 April 30 - - - - buy seeds
Sunflower April 2 April 30 - - - - buy seeds
Gomphrena March 11 April 22 - - - - buy seeds
Cilantro - April 22 April 24 - - - buy seeds
Potatoes (Sweet) - - May 15 May 26 June 30 - buy seeds
Kohlrabi February 12 March 17 - - - - buy seeds
Celery February 14 March 27 - May 6 July 15 - buy seeds
Oregano February 14 April 24 - - - - buy seeds
Rosemary February 14 May 1 - - - - buy seeds
Thyme February 14 April 24 - - - - buy seeds
Beans (Fava) January 31 - - August 28 - - buy seeds
Eggplant February 28 April 6 - May 15 July 10 - buy seeds
Cauliflower February 28 March 27 - September 18 August 14 - buy seeds
Cucumbers March 27 - - September 28 - - buy seeds
Peppers (Bell) February 11 April 28 - May 15 July 10 - buy seeds
Broccoli February 25 March 27 - July 17 August 14 - buy seeds
Radish - - February 26 - - - buy seeds
Swiss Chard March 13 April 3 - - - - buy seeds
Watermelon March 27 May 6 - - - - buy seeds
Peas - - March 13 - - - buy seeds
Squash - - March 13 - - - buy seeds
Turnip - - March 25 - - - buy seeds
Lettuce March 13 April 10 - - - - buy seeds
Sage February 28 April 24 - - - - buy seeds
Ageratum March 11 April 22 - - - - buy seeds
Aster March 11 April 22 - - - - buy seeds
Snapdragon February 26 April 22 - - - - buy seeds
Chives - - March 25 - - - buy seeds
Celosia March 11 April 22 - - - - buy seeds
Parsley - - March 27 - - - buy seeds
Canteloupe March 27 April 6 - - - - buy seeds
Basil February 25 April 23 - - - - buy seeds
Beets - - April 7 - - - buy seeds
Pumpkins April 3 May 8 - - - - buy seeds
Parsnip - - April 3 - - - buy seeds
Arugula - April 22 April 7 - - - buy seeds
Spinach - - April 11 - - - buy seeds
Potatoes - - April 17 - - - buy seeds
Okra - - May 8 - - - buy seeds
Onion - - May 6 - - - buy seeds
Zucchini - - May 6 - - - buy seeds
Beans (Green) - - May 1 - - - buy seeds
Dill - - April 24 - - - buy seeds
Peppers (Jalapenos) February 14 May 1 - June 4 July 30 - buy seeds
Kale February 28 March 27 - August 21 September 18 - buy seeds
Tomato March 23 April 27 - May 6 July 1 - buy seeds
Carrots - - March 20 - - - 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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