Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Bourbonnais you can determine when you can plant pampas grass by reviewing the USDA zone info.

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 do not do well in cold weather.

The earliest that you can plant pampas grass in Bourbonnais 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. If you wait any later than that and your pampas grass may not have a chance to grow to maturity. Starting your pampas grass indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Bourbonnais. You should expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Bourbonnais may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Bourbonnais you get surprised by a frost after April 15 be ready to protect your pampas grass if you have a surprise late frost.

USDA Zone Info for Bourbonnais

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 Bourbonnais

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