The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of figuring out when it's possible to plant schizanthus is to look at the USDA zone info for Marathon.

Planting Calendar for Schizanthus

Frost tolerance for schizanthus:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since schizanthus require warm weather you need to wait until after the last frost before you can plant them.

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

Last Frost Date

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

Remember that the actual date of last frost is an average because it is based on the USDA zone info for Marathon and it can change quite a bit from year to year. Since it never frosts in Marathon you do not have to be ready to protect your schizanthus in the event of a 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.