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 Mount Prospect you can estimate when it's a good idea to plant lavender cotton by looking at the USDA zone info.

Planting Calendar for Lavender Cotton

Frost tolerance for lavender cotton:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Lavender Cotton are very cold tolerant which tells us that you can get them planted much earlier than other frost tender plants.

The earliest that you can plant lavender cotton in Mount Prospect is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant lavender cotton and expect a good harvest is probably September. Any later than that and your lavender cotton may not have a chance to fully mature. You can get started a few weeks earlier by starting your lavender cotton indoors.

Last Frost Date

In Mount Prospect the average date of last frost happens on April 15. It might get as low as -15°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Mount Prospect is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Mount Prospect you get surprised by a frost after April 15 be ready to protect your lavender cotton if you have a late frost.

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.