One of the first steps you take when you are determining your gardening schedule is find your 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 can figure out when it's the best time to plant chrysanthemum in Marathon by looking at the USDA zone info.

Planting Calendar for Chrysanthemum

Frost tolerance for chrysanthemum:	Not tolerant of frost.
When to plant:	After the last frost.

Chrysanthemum do not do well in cold weather which means that it is necessary to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant chrysanthemum 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 chrysanthemum and expect a good harvest is probably November. Any later than that and your chrysanthemum may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your chrysanthemum indoors.

Last Frost Date

In Marathon it never frosts. You should expect an average low temperature of 45°F in the coldest months of winter.

Since the USDA zone info for Marathon is just an average the actual date of last frost will vary from year to year. Since it never frosts in Marathon you do not have to be ready to cover your chrysanthemum 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.