One of the best tools that you have as gardeners to help us figure out 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.

A way of estimating when it's a good idea to plant flowering maple is to look at the USDA zone info for Monrovia.

Planting Calendar for Flowering Maple

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

Flowering Maple require warm weather which means that you really should wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant flowering maple in Monrovia 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. If you wait any later than that and your flowering maple may not have a chance to grow to maturity. Starting your flowering maple 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 January 31 in Monrovia. In the coldest months of winter you should expect an average low temperature of 30°F.

Since the USDA zone info for Monrovia is an average the actual date of last frost is different every year. Half of the time in Monrovia there is a last frost after January 31 so make sure that you are prepared to cover your flowering maple in the event of a late frost.

USDA Zone Info for Monrovia

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 Monrovia

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