When can I plant Tomatos in Zone 9a

Before planting it is a good idea to find our USDA Zone info to estimate our garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for our area.

A way of estimating when it's the best time to plant tomatos is to consult the USDA zone info for Zone 9a.


Planting Calendar for Tomatos

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

Since tomatos are not cold tolerant it is important to wait until after the last frost has passed before you can plant them.

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 Zone 9a 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. Starting your tomatos indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Zone 9a the average date of last frost happens on February 15. It might get as low as 20°F during the coldest months of winter.

Since the USDA zone info for Zone 9a is not always accurate our actual date of last frost is different every year. Since half of the time in Zone 9a it frosts late in the year after February 15 be ready to protect your tomatos if we have a late frost.

USDA Zone Info for Zone 9a

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 Low20°F
Highest Expected Low25°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 Zone 9a

You may be interested in our other planting guides for Zone 9a.