One of the first steps you take when you are determining 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.

By checking out the USDA zone info for Berlin you will be able to determine when it's the best time to plant cleome.

Planting Calendar for Cleome

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

Since cleome do not do well in cold weather it's necessary to wait until after the last frost before you can plant them.

The earliest that you can plant cleome in Berlin is May. However, you really should wait until June 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. You probably don't want to wait any later than that or else your cleome may not have a chance to really do well. You can get started a little bit earlier by starting your cleome indoors.

Last Frost Date

The average date of last frost is May 15 in Berlin. You can expect an average low temperature of -25°F in the coldest months of winter.

Always keep in mind that USDA zone info for Berlin may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Berlin last frost occurs after May 15 be ready to protect your cleome in the event of a late frost.

USDA Zone Info for Berlin

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Berlin

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