When to Plant Tomatos in Tolleson, AZ

Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Tolleson you can estimate when it's possible to plant tomatos by using 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.

It's not a good idea to plant tomatos until after the last frost because they require warm weather.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant tomatos
Possibly ok, but a risky time to plant tomatos
Probably not a good time to plant tomatos

The earliest that you can plant tomatos in Tolleson 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 grow to maturity. Starting your tomatos indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Tolleson the average date of last frost happens on February 15. It might get as low as 25°F during the coldest months of winter.

Since the USDA zone info for Tolleson is an average the actual date of last frost changes from year to year. Since half of the time in Tolleson it frosts late in the year after February 15 be ready to protect your tomatos in the event of one of those late frosts.

USDA Zone Info for Tolleson

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 Low25°F
Highest Expected Low30°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 Tolleson

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