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 Silvis you can determine when it's the best time to plant festuca by looking at 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.

Festuca do well in moderate cold which tells us that you can plant them earlier than more sensitive plants.

The earliest that you can plant festuca in Silvis 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. Starting your festuca indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Silvis. In the coldest months of winter you can expect an average low temperature of -15°F.

Since the USDA zone info for Silvis is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Silvis you get a frost after April 15 be ready to cover your festuca in the event of a late frost.

USDA Zone Info for Silvis

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 Silvis

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