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

The earliest that you can plant hibiscus in El Mirage can be determined by looking at the USDA zone info.

Planting Calendar for Hibiscus

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

Since hibiscus require warm weather you need to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant hibiscus 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 hibiscus and expect a good harvest is probably September. You probably don't want to wait any later than that or else your hibiscus may not have a chance to really do well. If you are starting your hibiscus indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

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

Since the USDA zone info for El Mirage may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in El Mirage last frost occurs after February 15 be ready to cover your hibiscus 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.