Before planting it is a good idea to find your USDA Zone info to figure out your garden 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 festuca in River Rouge should be determined by using the USDA zone info.

Planting Calendar for Festuca

Frost tolerance for festuca:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Since festuca are one of those plants that can tolerate a little bit of cold weather you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant festuca in River Rouge 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 festuca and expect a good harvest is probably September. Any later than that and your festuca may not have a chance to fully mature. If you are starting your festuca indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

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

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 River Rouge and it is different every year. Half of the time in River Rouge last frost occurs after April 15 so make sure that you are ready to protect your festuca 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.