Late Season Planting: 27 Herbs and Vegetables to Grow from Seed in July in Denver

Did you miss our post about planning for a third season? Do you have empty spots in the garden after harvesting? Fear not!

You still have time to plant these 7 herbs and 20 vegetable seeds in the garden and harvest them before the first frost - though almost all are frost tolerant!


In this blog, you’ll learn:

  • Herbs to Plant in July

  • Veggies to Plant in July

  • Fall Gardening Tips


Herbs to Plant in July in Denver

  • Arugula: Plant until mid-August.

  • Basil: Plant until mid-July (very frost-sensitive).

  • Chevril: Plant until mid-late July.

  • Cilantro: Plant until mid-August.

  • Fennel: Plant until mid-July.

  • Garlic: Plant after the first frost when soil temperatures cool down.

  • Parsley: Plant until mid-July.



Vegetables to Plant in July in Denver

  • Beets: Plant until mid-July.

  • Bok Choy: Plant from late July to early September.

  • Broccoli: Plant until mid-July (70-day varieties or less).

  • Broccoli Raab: Plant in late July.

  • Brussels Sprouts: Plant until mid-July (use floating row covers to keep out aphids).

  • Cabbage: Plant until mid-July (70-day varieties or less).

  • Carrots: Plant until mid-August (choose shorter varieties).

  • Cauliflower: Plant until mid-July.

  • Chard: Plant until mid-August.

  • Collards: Plant until mid-July.

  • Kale: Plant in early August.

  • Kohlrabi: Plant in early August.

  • Lettuce: Plant from mid to late August (afternoon shade).

  • Mache: Plant from mid to late August (afternoon shade).

  • Mizuna: Plant from mid to late August (afternoon shade).

  • Mustard: Plant in early August.

  • Peas: Plant until mid-July.

  • Radish: Plant from early August to the first frost.

  • Spinach: Plant from mid-August to late September.

  • Tatsoi: Plant from mid-August to late September.

  • Turnip: Plant until mid-August.



Vegetables to Plant in July in Denver

  • Frost Tolerance: All these plants (except basil) can grow past the first frost date (around October 15). Most can withstand temperatures down to 28°F if unprotected, but insulating the base with leaves is recommended.

  • Season Extension: With season extension setups, you can grow well into winter!



Can you believe how many seeds you can still plant this month? Personally, my main challenge is figuring out where to cram in all the plants I still want to grow. We've got plenty of time left to keep things growing—just gotta time it right with your plants.

Grab some seeds, head out to your garden, and let's keep this growing season rolling!

Something new on the list you’ve never grown before? Now is the time to experiment and have fun in the garden!

A huge thank you to Betty Cahill for providing comprehensive seeding charts!!

Have questions or want to share your gardening success stories?



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**This post may contain affiliate links, which means I earn a small profit if you click on the link to make a purchase. Other links are not sponsored, because I also like supporting small, local businesses.**


Meet the Gardener

I’m Elisa Mack - a mom and Denverite who went from being a green-ish thumb to a kitchen garden fanatic simply by dedicating myself to the study of all things Colorado gardening.

Landscapers don’t design. And nurseries don’t make house calls.

We take a more full-service approach, from designing your dream garden to keeping it beautiful year-round.

And as your coach, I’ll help eliminate the guesswork through every season, no matter your level of knowledge.


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August Gardening To-Do List: Preparing for the Cooler Weather in Denver, Colorado

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How to Grow Warm Weather Spinach in Your Denver Backyard Garden