When to Plant Flowering Maple in Upland, CA

One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By looking at the USDA zone info for Upland you should be able to determine when it's possible to plant flowering maple.


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.

It's not a good idea to plant flowering maple until after the last frost because they require warm weather.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant flowering maple
Possibly ok, but a risky time to plant flowering maple
Probably not a good time to plant flowering maple

The earliest that you can plant flowering maple in Upland 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 fully mature. If you are starting your flowering maple indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is January 31 in Upland. In the coldest months of winter you can expect an average low temperature of 30°F.

It's important to remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Upland and it will vary from year to year. Half of the time in Upland it frosts late in the year after January 31 so just be sure to be ready to protect your flowering maple if you have a late frost.

USDA Zone Info for Upland

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 Low30°F
Highest Expected Low35°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 Upland

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