When to Plant Vegetables in Fairfield, CA

Your vegetable planning guide for Fairfield, CA

On average, your frost-free growing season starts Jun 23 and ends Dec 6, totalling 166 days. You will find both Spring and Fall planting guides on this page.

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For the Spring:
Your Spring Planting Strategy
Cole crops like broccoli, cauliflower, and cabbage can be direct seeded into your garden around May 12, assuming the ground can be worked, but it's better to start them indoors around April 14 and then transplant them into the garden around June 3. Do the same with lettuce and spinach.

Plant onion starts and potatoes around April 24. Sow the seeds of peas (sugar snap and english) at the same time. If the ground is still frozen, then plant these as soon as the ground thaws.

Do you want to grow tomatoes, peppers, and eggplants? Start these indoors around April 14. Then, around June 19 you should start watching the weather forecast and, as soon as no frost is forecast, go ahead and transplant those into the ground.

Now, for all the summer vegetables like beans, cowpeas, corn, squashes, pumpkins, cucumbers, watermelons, gourds and sunflowers, you should plant those seeds directly into the ground around June 23, or if your soil is still very cold, once the soil is near 60° F in temperature. Having said that, we note that your location has a shorter than average growing season. Many summer vegetables need more days to mature than your area will provide. For that reason, we recommend you get a head-start by starting these summer vegetables indoors around June 3, and transplant those seedlings out after the danger of frost is past.

Okay, now here are the cold, hard numbers, along with specific plants:

Crop Sow seeds indoors Transplant seedlings into the garden Direct sow seeds
Asparagus n/a May 9 - May 24 n/a
Beans n/a n/a Jun 23 - Jul 21
Beets n/a n/a Apr 28 - May 12
Broccoli Apr 14 - Apr 28 May 26 - Jun 9 n/a
Brussel Sprouts Apr 14 - Apr 28 May 26 - Jun 9 n/a
Cabbage Apr 14 - Apr 28 May 26 - Jun 9 n/a
Cantaloupe n/a n/a Jun 9 - Jun 23
Carrots n/a n/a May 12 - Jun 9
Cauliflower Apr 14 - Apr 28 May 26 - Jun 9 n/a
Chard n/a n/a May 12 - May 26
Collards Apr 14 - Apr 28 May 26 - Jun 9 n/a
Corn n/a n/a Jun 23 - Jul 7
Cucumbers n/a n/a Jun 23 - Jul 7
Eggplants Apr 14 - Apr 28 Jun 23 - Jul 7 n/a
Gourds, Squash and Pumpkins n/a n/a Jun 23 - Jul 7
Kale Apr 14 - Apr 28 May 26 - Jun 9 n/a
Kohlrabi Apr 14 - Apr 28 May 26 - Jun 9 n/a
Lettuce Apr 14 - Apr 28 May 12 - Jun 9 May 12 - Jun 9
Mustard Apr 14 - Apr 28 May 26 - Jun 9 n/a
Okra n/a n/a Jun 23 - Jul 7
Onions Apr 7 - Apr 14 Apr 24 - May 24 n/a
Peas (English) n/a n/a Apr 24 - May 24
Peas (Southern) n/a n/a Jun 23 - Jul 21
Peas (Sugar Snap) n/a n/a Apr 24 - May 24
Peppers Apr 14 - Apr 28 Jun 23 - Jul 7 n/a
Potatoes n/a n/a Apr 24 - May 24
Radishes n/a n/a May 9 - Jul 7
Spinach Apr 14 - Apr 28 May 26 - Jun 9 May 9 - Jun 9
Sweet Potatoes n/a Jun 23 - Jul 14 n/a
Tomatoes Apr 14 - Apr 28 Jun 23 - Jul 7 n/a
Watermelon n/a n/a Jun 23 - Jul 7

For the Fall:
Your Fall Planting Strategy
Gardening in the fall can be much more challenging than spring planting, because you are in a race to get your crops mature and harvested before the winter frosts begin, around December 6. This means you need to consider how much time each variety needs between planting and picking. Those numbers vary widely between different varieties of the same kinds of plants! Usually the "Days to Harvest" are present on the seed packet.

Most tomatoes, peppers and eggplants, for example, require around 100 days to harvest, therefore you'd want to transplant those into the ground around August 28. Anyway, it's important to remember that the numbers in this fall planting guide are only a starting point for you! Good luck and good gardening to you.

Fall is the time to plant garlic. Around October 22, take your cloves apart and plant the toes about 3 to 4 inches deep. This may not be accurate! Garlic dates vary wildly around the country. The way to be sure is to use a soil thermometer. When the soil temperature is 60° at a depth of 4 inches, then plant your garlic.

Cole crops like broccoli, cauliflower, and cabbage can be direct seeded into your garden around September 27, but because of the heat during that time of year, it's better to start them indoors around August 8 and then transplant them into the garden around September 17. Do the same with lettuce and spinach.

Sow peas directly around September 22.

Now, for all the usual hot weather veggies like beans, cowpeas, corn, squashes, pumpkins, cucumbers, watermelons, gourds and sunflowers, you should plant those seeds directly into the ground around August 23.

Okay, now here are the cold, hard numbers, along with specific plants:

Crop Sow seeds indoors Transplant seedlings into the garden Direct sow seeds
Beans n/a n/a Aug 23 - Sep 22
Beets n/a n/a Sep 22 - Nov 6
Broccoli Jul 12 - Aug 26 Aug 23 - Oct 7 n/a
Brussel Sprouts Jul 12 - Aug 26 Aug 23 - Oct 7 n/a
Cabbage Jul 12 - Aug 26 Aug 23 - Oct 7 n/a
Cantaloupe n/a n/a Aug 8 - Aug 23
Carrots n/a n/a Sep 7 - Nov 6
Cauliflower Jul 12 - Aug 26 Aug 23 - Oct 7 n/a
Chard n/a n/a Aug 23 - Nov 6
Collards Aug 8 - Sep 22 Sep 7 - Oct 22 n/a
Corn n/a n/a Aug 23 - Sep 7
Cucumbers n/a n/a Aug 23 - Sep 7
Eggplants Jun 27 - Jul 12 Aug 8 - Aug 23 n/a
Garlic n/a n/a Sep 22 - Nov 6
Gourds, Squash and Pumpkins n/a n/a Jul 24 - Aug 23
Kale Jul 12 - Aug 26 Aug 23 - Oct 7 n/a
Kohlrabi Jul 12 - Aug 26 Aug 23 - Oct 7 n/a
Lettuce Sep 7 - Oct 7 Oct 7 - Nov 6 Oct 7 - Nov 6
Mustard n/a n/a Oct 7 - Nov 6
Okra n/a n/a Jul 24 - Aug 23
Onions n/a n/a Nov 6 - Nov 16
Parsley Jul 24 - Sep 7 Sep 7 - Oct 22 n/a
Peas (English) n/a n/a Sep 7 - Oct 7
Peas (Southern) n/a n/a Jul 24 - Aug 23
Peas (Sugar Snap) n/a n/a Sep 7 - Oct 7
Peppers Jul 2 - Jul 17 Aug 13 - Aug 28 n/a
Potatoes n/a n/a Sep 7 - Oct 7
Radishes n/a n/a Oct 7 - Nov 6
Spinach Aug 23 - Oct 7 Sep 22 - Nov 6 Sep 22 - Nov 6
Tomatoes Jul 2 - Jul 17 Aug 13 - Aug 28 n/a
Turnips n/a n/a Oct 22 - Nov 21
Watermelon n/a n/a Jul 24 - Aug 23

How accurate is all this? For nearly all locations, we are confident in the dates. There are, however, some difficult areas of the world that don't match up perfectly with the dates we have given. For that reason, we recommend you use this guide as a very good starting place, but don't interpret the dates as absolutely perfect for every location.

Did you find this useful? Garden.org has a vast array of useful features. May we recommend that you take a look at our excellent food gardening guide?

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