One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of figuring out when to plant crossandra is to consult the USDA zone info for El Mirage.

Planting Calendar for Crossandra

Frost tolerance for crossandra:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

You can not plant crossandra until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant crossandra in El Mirage 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 crossandra and expect a good harvest is probably September. If you wait any later than that and your crossandra may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your crossandra indoors.

Last Frost Date

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

Since the USDA zone info for El Mirage is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in El Mirage it frosts late in the year after February 15 be ready to cover your crossandra in the event of a surprise late frost.

USDA Zone Info for El Mirage

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 El Mirage

You may be interested in your other planting guides for El Mirage.