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

One way of estimating when it's possible to plant hemerocallis is to consult the USDA zone info for Ironwood.

Planting Calendar for Hemerocallis

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

Hemerocallis can survive in mild cold which means that you can plant them a little bit earlier in the year than other frost tender plants.

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

The last month that you can plant hemerocallis and expect a good harvest is probably August. You probably don't want to wait any later than that or else your hemerocallis may not have a chance to really do well. You can get started a little bit earlier by starting your hemerocallis indoors.

Last Frost Date

In Ironwood the average date of last frost happens on May 15. You should expect an average low temperature of -30°F in the coldest months of winter.

It's important to remember that USDA zone info for Ironwood is just an average and the actual date of last frost will vary from year to year. Since half of the time in Ironwood there is a last frost after May 15 be ready to protect your hemerocallis in the event of one of those late frosts.

USDA Zone Info for Ironwood

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Ironwood

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