The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of making a decision about when to plant tomatos is to consult the USDA zone info for Westlake.

Planting Calendar for Tomatos

Frost tolerance for tomatos:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Since tomatos do not do well in cold weather you need to wait until after the last frost before you can plant them.

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

The last month that you can plant tomatos and expect a good harvest is probably September. You probably don't want to wait any later than that or else your tomatos may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your tomatos indoors.

Last Frost Date

On average all chance of frost has passed is on February 15 in Westlake. It might get as low as 20°F during the coldest months of winter.

It's important to remember that USDA zone info for Westlake is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Westlake it frosts late in the year after February 15 be ready to cover your tomatos in the event of a surprise late frost.

USDA Zone Info for Westlake

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Westlake

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