Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Marathon you can figure out when it's possible to plant gayfeather by referring to the USDA zone info.

Planting Calendar for Gayfeather

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

Since gayfeather do well in cold you can plant them quite a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant gayfeather in Marathon is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant gayfeather and expect a good harvest is probably November. You probably don't want to wait any later than that or else your gayfeather may not have a chance to really do well. You can get started a little bit earlier by starting your gayfeather indoors.

Last Frost Date

In Marathon it never frosts. It might get as low as 45°F during the coldest months of winter.

Keep in mind that USDA zone info for Marathon is an average and the actual date of last frost is different every year. Since it never frosts in Marathon you do not have to be ready to protect your gayfeather if you have a surprise late frost.

USDA Zone Info for Marathon

Here is the info for USDA Zone 11b.

Average Date of Last Frost (spring)	Never
Average Date of First Frost (fall)	Never
Lowest Expected Low	45°F
Highest Expected Low	50°F

This means that on a really cold year, the coldest it will get is 45°F. On most years you should be prepared to experience lows near 50°F.

Plants to Grow in Marathon

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