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.

You will be able to estimate when it's a good idea to plant cleome by looking at the USDA zone info for Mountlake Terrace.

Planting Calendar for Cleome

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

It's probably a bad idea to plant cleome until after all chance of frost has passed because they do not do well in cold weather.

The earliest that you can plant cleome in Mountlake Terrace 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

On average the last frost has passed is on March 15 in Mountlake Terrace. You should expect an average low temperature of 15°F in the coldest months of winter.

Remember that USDA zone info for Mountlake Terrace is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Mountlake Terrace you get a frost after March 15 so make sure that you are ready to cover your cleome in the event of a late frost.

USDA Zone Info for Mountlake Terrace

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°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 20°F.

Plants to Grow in Mountlake Terrace

You may be interested in your other planting guides for Mountlake Terrace.