One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Chandler should be reviewed to estimate when it's the best time to plant tomatos.

Planting Calendar for Tomatos

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

Since tomatos do not do well in cold weather you really should wait until after the last frost has passed before you can plant them.

The earliest that you can plant tomatos in Chandler 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. Any later than that and your tomatos may not have a chance to really do well. You can get started a couple of weeks earlier by starting your tomatos indoors.

Last Frost Date

The average date of last frost is February 15 in Chandler. In the coldest months of winter you can expect an average low temperature of 25°F.

Since the USDA zone info for Chandler is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Chandler last frost occurs after February 15 so just be sure to be ready to cover your tomatos in the event of a late frost.

USDA Zone Info for Chandler

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Chandler

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