Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Waterloo you can determine when it's a good idea to plant flowering maple by using 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.

Since flowering maple are not cold tolerant it's necessary to wait until after the last frost before you can plant them.

The earliest that you can plant flowering maple in Waterloo 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 grow to maturity. You can get started a little bit earlier by starting your flowering maple indoors.

Last Frost Date

On average the last frost is on April 15 in Waterloo. You can expect an average low temperature of -5°F in the coldest months of winter.

Always keep in mind that USDA zone info for Waterloo is an average and the actual date of last frost will vary from year to year. Since half of the time in Waterloo last frost occurs after April 15 be ready to cover your flowering maple if you have a surprise late frost.

USDA Zone Info for Waterloo

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Waterloo

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