The USDA Zone info is a great tool for gardeners to help us determine 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.

The first opportunity to plant hemerocallis in Presque Isle can be determined by looking at 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.

Since hemerocallis do well in moderate cold you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant hemerocallis in Presque Isle 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 fully mature. You can get started a little bit earlier by starting your hemerocallis indoors.

Last Frost Date

On average the last frost is on May 15 in Presque Isle. In the coldest months of winter you can expect an average low temperature of -30°F.

Always keep in mind that USDA zone info for Presque Isle is an average and the actual date of last frost will vary from year to year. Half of the time in Presque Isle there is a last frost after May 15 so always be ready to cover your hemerocallis if you have one of those late frosts.

USDA Zone Info for Presque Isle

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 Presque Isle

You may be interested in your other planting guides for Presque Isle.