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.

In Glenwood Springs you can figure out when you can plant feverfew by referring to the USDA zone info.

Planting Calendar for Feverfew

Frost tolerance for feverfew:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

You can plant feverfew a little bit earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant feverfew in Glenwood Springs is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant feverfew and expect a good harvest is probably September. You probably don't want to wait any later than that or else your feverfew may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your feverfew indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Glenwood Springs. In the coldest months of winter you should expect an average low temperature of -10°F.

It's important to remember that USDA zone info for Glenwood Springs is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Glenwood Springs you get surprised by a frost after April 15 be ready to cover your feverfew in the event of a surprise late frost.

USDA Zone Info for Glenwood Springs

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Glenwood Springs

You may be interested in your other planting guides for Glenwood Springs.