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.

The first opportunity to plant firebush in Mason City can be figured out by looking at the USDA zone info.

Planting Calendar for Firebush

Frost tolerance for firebush:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

It's probably not a good idea to plant firebush until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant firebush in Mason City is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant firebush and expect a good harvest is probably August. Any later than that and your firebush may not have a chance to fully mature. Starting your firebush indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Mason City the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of -20°F.

Since the USDA zone info for Mason City may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Mason City you get a frost after April 15 be ready to cover your firebush if you have a late frost.

USDA Zone Info for Mason City

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Mason City

You may be interested in your other planting guides for Mason City.