The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of making a decision about when it's the best time to plant heuchera is to check out the USDA zone info for Bettendorf.

Planting Calendar for Heuchera

Frost tolerance for heuchera:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

You can plant heuchera just a bit earlier in the year because they do well in moderate cold.

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

The last month that you can plant heuchera and expect a good harvest is probably September. Any later than that and your heuchera may not have a chance to grow to maturity. If you are starting your heuchera indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Bettendorf the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -15°F.

Since the USDA zone info for Bettendorf is not always accurate the actual date of last frost will vary from year to year. Half of the time in Bettendorf there is a last frost after April 15 so make sure that you are prepared to cover your heuchera if you have a surprise late frost.

USDA Zone Info for Bettendorf

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Bettendorf

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