Gardening Calendar for Colorado

We used the most populated zip code in Colorado (Aurora, CO) 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

    80013 use my zip instead

  • Estimated Last Frost Date

    April 29

  • Estimated First Frost Date

    October 7

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 Colorado

We used the most populated zip code in Colorado (Aurora, CO) 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
Coleus March 4 April 22 - - - - buy seeds
Marigold March 18 April 29 - - - - buy seeds
Morning Glory April 8 May 5 - - - - buy seeds
Gomphrena March 18 April 29 - - - - buy seeds
Salvia March 18 April 29 - - - - buy seeds
Scabiosa March 18 April 29 - - - - buy seeds
Statice March 18 April 29 - - - - buy seeds
Allium March 18 April 29 - - - - buy seeds
Stock March 4 April 29 - - - - buy seeds
Bachelor button March 18 April 29 - - - - buy seeds
Cilantro - April 29 May 1 - - - buy seeds
Calendula March 18 April 22 - - - - buy seeds
Cosmosa March 4 May 6 - - - - buy seeds
Impatiens March 4 May 13 - - - - buy seeds
Petunias March 4 April 29 - - - - buy seeds
Strawflower March 18 April 29 - - - - buy seeds
Phlox March 4 April 29 - - - - buy seeds
Verbena March 4 April 29 - - - - buy seeds
Zinnia April 1 May 7 - - - - buy seeds
Carrots - - March 27 - - - buy seeds
Sunflower April 9 May 7 - - - - buy seeds
Radish - - March 4 - - - buy seeds
Swiss Chard March 20 April 10 - - - - buy seeds
Watermelon April 3 May 13 - - - - buy seeds
Beets - - April 14 - - - buy seeds
Spinach - - April 18 - - - buy seeds
Peas - - March 20 - - - buy seeds
Potatoes - - April 24 - - - buy seeds
Squash - - March 20 - - - buy seeds
Pumpkins April 10 May 15 - - - - buy seeds
Okra - - May 15 - - - buy seeds
Parsnip - - April 10 - - - buy seeds
Potatoes (Sweet) - - May 22 May 19 June 23 - buy seeds
Turnip - - April 1 - - - buy seeds
Kohlrabi February 19 March 24 - - - - buy seeds
Onion - - May 13 - - - buy seeds
Lettuce March 20 April 17 - - - - buy seeds
Celery February 21 April 3 - April 29 July 8 - buy seeds
Zucchini - - May 13 - - - buy seeds
Beans (Green) - - May 8 - - - buy seeds
Dill - - May 1 - - - buy seeds
Sage March 6 May 1 - - - - buy seeds
Ageratum March 18 April 29 - - - - buy seeds
Aster March 18 April 29 - - - - buy seeds
Snapdragon March 4 April 29 - - - - buy seeds
Oregano February 21 May 1 - - - - buy seeds
Rosemary February 21 May 8 - - - - buy seeds
Chives - - April 1 - - - buy seeds
Parsley - - April 3 - - - buy seeds
Arugula - April 29 April 14 - - - buy seeds
Eggplant March 6 April 13 - May 8 July 3 - buy seeds
Canteloupe April 3 April 13 - - - - buy seeds
Celosia March 18 April 29 - - - - buy seeds
Cauliflower March 6 April 3 - September 11 August 7 - buy seeds
Thyme February 21 May 1 - - - - buy seeds
Beans (Fava) February 7 - - August 21 - - buy seeds
Basil March 3 April 30 - - - - buy seeds
Cucumbers April 3 - - September 21 - - buy seeds
Peppers (Bell) February 18 May 5 - May 8 July 3 - buy seeds
Broccoli March 3 April 3 - July 10 August 7 - buy seeds
Cabbage March 5 April 3 - June 30 July 28 - buy seeds
Peppers (Jalapenos) February 21 May 8 - May 28 July 23 - buy seeds
Kale March 6 April 3 - August 14 September 11 - buy seeds
Tomato March 30 May 4 - April 29 June 24 - 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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