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

The earliest that you can plant hamelia in River Rouge should be estimated by reviewing the USDA zone info.

Planting Calendar for Hamelia

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

Since hamelia require warm weather it is important to wait until after the last frost has passed before you can plant them.

The earliest that you can plant hamelia in River Rouge 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 hamelia and expect a good harvest is probably August. If you wait any later than that and your hamelia may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your hamelia indoors.

Last Frost Date

In River Rouge the average date of last frost happens on April 15. You should expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for River Rouge is not always accurate the actual date of last frost changes from year to year. Since half of the time in River Rouge it frosts late in the year after April 15 be ready to protect your hamelia in the event of one of those late frosts.

USDA Zone Info for River Rouge

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 River Rouge

You may be interested in your other planting guides for River Rouge.