The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By using the USDA zone info for Mount Prospect it's possible to figure out when it's a good idea to plant pampas grass.

Planting Calendar for Pampas Grass

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

It's not a good idea to plant pampas grass until after the last frost when the weather gets warmer because they require warm weather.

The earliest that you can plant pampas grass in Mount Prospect 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 really do well. Starting your pampas grass indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Mount Prospect the average date of last frost happens on April 15. You should expect an average low temperature of -15°F in the coldest months of winter.

Keep in mind that USDA zone info for Mount Prospect may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Mount Prospect you get surprised by a frost after April 15 be ready to cover your pampas grass if you have one of those late frosts.

USDA Zone Info for Mount Prospect

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 Mount Prospect

You may be interested in your other planting guides for Mount Prospect.