One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By checking out the USDA zone info for Island Park it's a good idea to figure out when it's possible to plant gayfeather.

Planting Calendar for Gayfeather

Frost tolerance for gayfeather:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Gayfeather do well in pretty solid cold which tells us that you can plant them earlier in the year than other frost tender plants.

The earliest that you can plant gayfeather in Island Park 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 gayfeather and expect a good harvest is probably September. Any later than that and your gayfeather may not have a chance to really do well. Starting your gayfeather indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Island Park. In the coldest months of winter you should expect an average low temperature of 5°F.

Just be sure to remember that USDA zone info for Island Park is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Island Park it frosts late in the year after April 15 be ready to cover your gayfeather in the event of one of those late frosts.

USDA Zone Info for Island Park

Here is the info for USDA Zone 7b.

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

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

Plants to Grow in Island Park

You may be interested in your other planting guides for Island Park.