One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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.

A common way of estimating when to plant chrysanthemum is to look at the USDA zone info for Forest Lake.

Planting Calendar for Chrysanthemum

Frost tolerance for chrysanthemum:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Chrysanthemum do not do well in cold weather which means that you need to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant chrysanthemum 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 chrysanthemum and expect a good harvest is probably August. Any later than that and your chrysanthemum may not have a chance to really do well. You can get started a couple of weeks earlier by starting your chrysanthemum indoors.

Last Frost Date

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

It's important to remember that USDA zone info for Forest Lake is just an average and the actual date of last frost can change quite a bit 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 chrysanthemum in the event of a 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.