One of the first steps you take when you are figuring out 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.

The earliest that you can plant cleome in Mount Vernon can be estimated by looking at the USDA zone info.

Planting Calendar for Cleome

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

You really shouldn't plant cleome until after the last frost because they do not do well in cold weather.

The earliest that you can plant cleome in Mount Vernon 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. If you are starting your cleome indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Mount Vernon the average date of last frost happens on March 15. You can expect an average low temperature of 10°F in the coldest months of winter.

Remember that USDA zone info for Mount Vernon 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 Mount Vernon last frost occurs after March 15 so make sure that you are ready to protect your cleome in the event of a late frost.

USDA Zone Info for Mount Vernon

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Mount Vernon

You may be interested in your other planting guides for Mount Vernon.