One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can figure out when to plant chrysocephalum in Forest Lake by reviewing the USDA zone info.

Planting Calendar for Chrysocephalum

Frost tolerance for chrysocephalum:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Chrysocephalum require warm weather which means that it is important to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant chrysocephalum in Forest Lake 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 chrysocephalum and expect a good harvest is probably August. You probably don't want to wait any later than that or else your chrysocephalum may not have a chance to fully mature. You can get started a few weeks earlier by starting your chrysocephalum indoors.

Last Frost Date

On average the last frost is on May 15 in Forest Lake. You should expect an average low temperature of -25°F in the coldest months of winter.

Since the USDA zone info for Forest Lake is just an average the actual date of last frost will vary from year to year. Since half of the time in Forest Lake there is a last frost after May 15 be ready to protect your chrysocephalum if you have a surprise late frost.

USDA Zone Info for Forest Lake

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 Forest Lake

You may be interested in your other planting guides for Forest Lake.