One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first opportunity to plant ornamental grasses in Rhinelander should be estimated by using the USDA zone info.

Planting Calendar for Ornamental Grasses

Frost tolerance for ornamental grasses:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Ornamental Grasses tend to make it in some cold which tells us that you can plant them slightly earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant ornamental grasses in Rhinelander 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 ornamental grasses and expect a good harvest is probably August. If you wait any later than that and your ornamental grasses may not have a chance to fully mature. Starting your ornamental grasses indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is May 15 in Rhinelander. You should expect an average low temperature of -30°F in the coldest months of winter.

Since the USDA zone info for Rhinelander is an average the actual date of last frost is different every year. Since half of the time in Rhinelander last frost occurs after May 15 be ready to cover your ornamental grasses in the event of a late frost.

USDA Zone Info for Rhinelander

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Rhinelander

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