The USDA Zone info is a great tool for gardeners to help us determine 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 getting a good idea when it's the best time to plant dichondra is to check out the USDA zone info for Decorah.

Planting Calendar for Dichondra

Frost tolerance for dichondra:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Dichondra do ok in a tiny bit of cold which means that you can plant them just a tiny bit earlier in the year than other frost tender plants.

The earliest that you can plant dichondra in Decorah 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 dichondra and expect a good harvest is probably August. If you wait any later than that and your dichondra may not have a chance to grow to maturity. Starting your dichondra indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is May 15 in Decorah. In the coldest months of winter you can expect an average low temperature of -25°F.

Always keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Decorah and it will vary from year to year. Half of the time in Decorah you get a frost after May 15 so make sure that you are prepared to cover your dichondra if you have a surprise late frost.

USDA Zone Info for Decorah

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Decorah

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