The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Herkimer you can estimate when it's a good idea to 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.

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 Herkimer 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. You probably don't want to wait any later than that or else 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 couple of weeks earlier.

Last Frost Date

In Herkimer the average date of last frost happens on April 15. You should expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Herkimer is an average the actual date of last frost changes from year to year. Half of the time in Herkimer it frosts late in the year after April 15 so make sure that you are prepared to protect your flowering maple if you have a surprise late frost.

USDA Zone Info for Herkimer

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Herkimer

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