One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Ishpeming you can figure out when to plant pampas grass by checking out the USDA zone info.

Planting Calendar for Pampas Grass

Frost tolerance for pampas grass:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

It's probably a bad idea to plant pampas grass until after the last frost when the weather gets warmer because they do not do well in cold weather.

The earliest that you can plant pampas grass in Ishpeming is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant pampas grass and expect a good harvest is probably August. You probably don't want to wait any later than that or else your pampas grass may not have a chance to really do well. Starting your pampas grass indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is May 15 in Ishpeming. In the coldest months of winter you can expect an average low temperature of -25°F.

Since the USDA zone info for Ishpeming is not always accurate the actual date of last frost changes from year to year. Since half of the time in Ishpeming there is a last frost after May 15 be ready to protect your pampas grass in the event of a late frost.

USDA Zone Info for Ishpeming

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Ishpeming

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