One of the first steps you take when you are determining your gardening schedule is find your 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.

You should be able to figure out when it's a good idea to plant cleome by using the USDA zone info for Woodland Park.

Planting Calendar for Cleome

Frost tolerance for cleome:	Not tolerant of frost.
When to plant:	After the last frost.

It's probably not a good idea to plant cleome until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant cleome in Woodland 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 cleome and expect a good harvest is probably August. Any later than that and your cleome may not have a chance to fully mature. You can get started a few weeks earlier by starting your cleome indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Woodland Park. You can expect an average low temperature of -20°F in the coldest months of winter.

Remember that USDA zone info for Woodland Park is just an average and the actual date of last frost changes from year to year. Half of the time in Woodland Park last frost occurs after April 15 so just be sure to be ready to protect your cleome in the event of a late frost.

USDA Zone Info for Woodland Park

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Woodland Park

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