One of the first steps you take when you are figuring out your gardening schedule is find your 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.

In Brawley you can determine when it's possible to plant alternaria by looking at the USDA zone info.

Planting Calendar for Alternaria

Frost tolerance for alternaria:	Not tolerant of frost.
When to plant:	After the last frost.

Since alternaria require warm weather it's important to wait until after the last frost has passed before you can plant them.

The earliest that you can plant alternaria in Brawley 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 alternaria and expect a good harvest is probably September. You probably don't want to wait any later than that or else your alternaria may not have a chance to really do well. Starting your alternaria indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost has passed is on February 15 in Brawley. You can expect an average low temperature of 25°F in the coldest months of winter.

Keep in mind that USDA zone info for Brawley is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Brawley last frost occurs after February 15 so just be sure to be ready to protect your alternaria if you have a late frost.

USDA Zone Info for Brawley

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 Brawley

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