One of the best tools that you have as gardeners to help us figure out 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.

You will be able to estimate when it's a good idea to plant chrysocephalum by using the USDA zone info for Albert Lea.

Planting Calendar for Chrysocephalum

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

It's probably a bad idea to plant chrysocephalum until after all chance of frost has passed because they require warm weather.

The earliest that you can plant chrysocephalum in Albert Lea 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. Any later than that and your chrysocephalum may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your chrysocephalum indoors.

Last Frost Date

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

Since the USDA zone info for Albert Lea is an average the actual date of last frost will vary from year to year. Half of the time in Albert Lea it frosts late in the year after May 15 so just be sure to be ready to protect your chrysocephalum in the event of a late frost.

USDA Zone Info for Albert Lea

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 Albert Lea

You may be interested in your other planting guides for Albert Lea.