Before planting it is a good idea to find your USDA Zone info to determine 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.

A common way of getting a good idea when you can plant hemerocallis is to refer to the USDA zone info for Keller.

Planting Calendar for Hemerocallis

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

Since hemerocallis are moderately cold tolerant you can plant them a bit earlier in the year than more sensitive plants.

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

Last Frost Date

On average all chance of frost has passed is on March 15 in Keller. In the coldest months of winter you should expect an average low temperature of 10°F.

It's important to remember that USDA zone info for Keller may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Keller last frost occurs after March 15 be ready to protect your hemerocallis if you have one of those late frosts.

USDA Zone Info for Keller

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Keller

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