Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The best time to plant firebush in Waterloo should be determined by checking out the USDA zone info.

Planting Calendar for Firebush

Frost tolerance for firebush:	Not tolerant of frost.
When to plant:	After the last frost has passed.

You can not plant firebush until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant firebush in Waterloo 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. You probably don't want to wait any later than that or else your firebush may not have a chance to fully mature. You can get started a few weeks earlier by starting your firebush indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Waterloo. You can expect an average low temperature of -10°F in the coldest months of winter.

Keep in mind that USDA zone info for Waterloo is not always accurate and the actual date of last frost is different every year. Half of the time in Waterloo you get a frost after April 15 so always be ready to protect your firebush in the event of a surprise late frost.

USDA Zone Info for Waterloo

Here is the info for USDA Zone 6a.

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

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

Plants to Grow in Waterloo

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