One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The best time to plant tomatos in Yreka can be estimated by checking out the USDA zone info.

Planting Calendar for Tomatos

Frost tolerance for tomatos:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Since tomatos require warm weather it's necessary to wait until after the last frost before you can plant them.

The earliest that you can plant tomatos in Yreka is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant tomatos and expect a good harvest is probably August. You probably don't want to wait any later than that or else your tomatos may not have a chance to really do well. You can get started a little bit earlier by starting your tomatos indoors.

Last Frost Date

The average date of last frost is March 15 in Yreka. It might get as low as 10°F during the coldest months of winter.

It's important to remember that USDA zone info for Yreka is an average and the actual date of last frost is different every year. Half of the time in Yreka there is a last frost after March 15 so make sure that you are prepared to cover your tomatos if you have a surprise late frost.

USDA Zone Info for Yreka

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Yreka

You may be interested in your other planting guides for Yreka.