Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's possible to figure out when you can plant chrysanthemum by reviewing the USDA zone info for Belle Plaine.

Planting Calendar for Chrysanthemum

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

It's probably not a good idea to plant chrysanthemum until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant chrysanthemum in Belle Plaine 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. If you wait any later than that and your chrysanthemum may not have a chance to grow to maturity. If you are starting your chrysanthemum indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is May 15 in Belle Plaine. In the coldest months of winter you should expect an average low temperature of -25°F.

Since the USDA zone info for Belle Plaine is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Belle Plaine there is a last frost after May 15 be ready to protect your chrysanthemum in the event of one of those late frosts.

USDA Zone Info for Belle Plaine

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 Belle Plaine

You may be interested in your other planting guides for Belle Plaine.