One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first opportunity to plant cleome in Marathon should be estimated by referring to 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.

Cleome are not cold tolerant which means that it is necessary to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant cleome in Marathon is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant cleome and expect a good harvest is probably November. If you wait any later than that and your cleome may not have a chance to grow to maturity. 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 Marathon it never frosts. It might get as low as 45°F during the coldest months of winter.

Since the USDA zone info for Marathon may not be accurate from year to year the actual date of last frost is different every year. Since it never frosts in Marathon you do not have to be ready to protect your cleome if you have one of those late frosts.

USDA Zone Info for Marathon

Here is the info for USDA Zone 11b.

Average Date of Last Frost (spring)	Never
Average Date of First Frost (fall)	Never
Lowest Expected Low	45°F
Highest Expected Low	50°F

This means that on a really cold year, the coldest it will get is 45°F. On most years you should be prepared to experience lows near 50°F.

Plants to Grow in Marathon

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