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.

A common way of figuring out when it's the best time to plant pampas grass is to use the USDA zone info for Stone Park.

Planting Calendar for Pampas Grass

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

Since pampas grass do not do well in cold weather it is necessary to wait until after the last frost has passed before you can plant them.

The earliest that you can plant pampas grass in Stone Park 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 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 fully mature. You can get started a few weeks earlier by starting your pampas grass indoors.

Last Frost Date

The average date of last frost is April 15 in Stone Park. You can expect an average low temperature of -15°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Stone Park may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Stone Park there is a last frost after April 15 so make sure that you are prepared to protect your pampas grass if you have a surprise late frost.

USDA Zone Info for Stone Park

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 Stone Park

You may be interested in your other planting guides for Stone Park.