Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Hartselle you can estimate when it's possible to plant hemerocallis by referring to 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 little earlier in the year because they are moderately cold tolerant.

The earliest that you can plant hemerocallis in Hartselle 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 hemerocallis and expect a good harvest is probably September. Any later than that and your hemerocallis may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your hemerocallis indoors.

Last Frost Date

On average the last frost is on April 15 in Hartselle. It might get as low as 5°F during the coldest months of winter.

Since the USDA zone info for Hartselle may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Hartselle there is a last frost after April 15 so always be ready to protect your hemerocallis in the event of one of those late frosts.

USDA Zone Info for Hartselle

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Hartselle

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