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 Marana you can estimate when you can plant tomatos 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 when the weather gets warmer.

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

The earliest that you can plant tomatos in Marana 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

On average the last frost has passed is on February 15 in Marana. In the coldest months of winter you should expect an average low temperature of 20°F.

Always keep in mind that USDA zone info for Marana may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Marana it frosts late in the year after February 15 so be sure to be ready to protect your tomatos in the event of a late frost.

USDA Zone Info for Marana

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 Marana

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