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

You will be able to determine when it's the best time to plant flowering maple by reviewing the USDA zone info for Bethalto.

Planting Calendar for Flowering Maple

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

It's probably not a good idea to plant flowering maple until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant flowering maple in Bethalto is April. However, you really should wait until May 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 August. If you wait any later than that and your flowering maple may not have a chance to fully mature. You can get started a few weeks earlier by starting your flowering maple indoors.

Last Frost Date

On average the last frost is on April 15 in Bethalto. You should expect an average low temperature of -10°F in the coldest months of winter.

Keep in mind that USDA zone info for Bethalto may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Bethalto it frosts late in the year after April 15 be ready to protect your flowering maple if you have one of those late frosts.

USDA Zone Info for Bethalto

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Bethalto

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