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

A common way of estimating when it's possible to plant pampas grass is to refer to the USDA zone info for Wahpeton.

Planting Calendar for Pampas Grass

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

Pampas Grass do not do well in cold weather which means that you must wait until it warms up after the last frost before you can plant them.

The earliest that you can plant pampas grass in Wahpeton 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 grow to maturity. You can get started a couple of weeks earlier by starting your pampas grass indoors.

Last Frost Date

On average all chance of frost has passed is on May 15 in Wahpeton. You can expect an average low temperature of -30°F in the coldest months of winter.

Remember that USDA zone info for Wahpeton is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Wahpeton last frost occurs after May 15 so make sure that you are prepared to cover your pampas grass if you have a late frost.

USDA Zone Info for Wahpeton

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 Wahpeton

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