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.

The USDA zone info for Gunnison can be used to figure out when it's a good idea to plant chrysocephalum.

Planting Calendar for Chrysocephalum

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

It's a bad idea to plant chrysocephalum until after all chance of frost has passed because they do not do well in cold weather.

The earliest that you can plant chrysocephalum in Gunnison 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

On average the last frost is on May 15 in Gunnison. You can expect an average low temperature of -30°F in the coldest months of winter.

Always keep in mind that USDA zone info for Gunnison is just an average and the actual date of last frost changes from year to year. Since half of the time in Gunnison there is a last frost after May 15 be ready to protect your chrysocephalum in the event of a surprise late frost.

USDA Zone Info for Gunnison

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Gunnison

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