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 referring to the USDA zone info for Galesburg you will be able to estimate when you can plant cleome.

Planting Calendar for Cleome

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

It's not a good idea to plant cleome until after the last frost has passed because they require warm weather.

The earliest that you can plant cleome in Galesburg 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 cleome and expect a good harvest is probably August. If you wait any later than that and your cleome may not have a chance to really do well. You can get started a few weeks earlier by starting your cleome indoors.

Last Frost Date

The average date of last frost is April 15 in Galesburg. It might get as low as -15°F during the coldest months of winter.

It's important to remember that USDA zone info for Galesburg is an average and the actual date of last frost will vary from year to year. Half of the time in Galesburg there is a last frost after April 15 so make sure that you are prepared to cover your cleome in the event of a surprise late frost.

USDA Zone Info for Galesburg

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 Galesburg

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