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.

The first opportunity to plant hemerocallis in Byron should be determined by reviewing the USDA zone info.

Planting Calendar for Hemerocallis

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

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

The earliest that you can plant hemerocallis in Byron 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. Starting your hemerocallis indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost is on May 15 in Byron. It might get as low as -25°F during the coldest months of winter.

Since the USDA zone info for Byron is an average the actual date of last frost will vary from year to year. Half of the time in Byron there is a last frost after May 15 so always be ready to cover your hemerocallis in the event of one of those late frosts.

USDA Zone Info for Byron

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 Byron

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