One of the best tools that you have as gardeners to help us estimate your gardening schedule is the 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 El Cajon you can determine when you can plant flowering maple by reviewing the USDA zone info.

Planting Calendar for Flowering Maple

Frost tolerance for flowering maple:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Flowering Maple require warm weather which means that you need to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant flowering maple in El Cajon is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant flowering maple and expect a good harvest is probably September. You probably don't want to wait any later than that or else your flowering maple may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your flowering maple indoors.

Last Frost Date

In El Cajon the average date of last frost happens on January 31. You can expect an average low temperature of 30°F in the coldest months of winter.

Keep in mind that USDA zone info for El Cajon is just an average and the actual date of last frost will vary from year to year. Since half of the time in El Cajon there is a last frost after January 31 be ready to protect your flowering maple in the event of a surprise late frost.

USDA Zone Info for El Cajon

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in El Cajon

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