The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By looking at the USDA zone info for Fairfax you should be able to figure out when to plant hemerocallis.

Planting Calendar for Hemerocallis

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

Hemerocallis do ok in mild cold which tells us that you can plant them a little earlier in the year than other frost tender plants.

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

The last month that you can plant hemerocallis and expect a good harvest is probably October. You probably don't want to wait any later than that or else your hemerocallis may not have a chance to grow to maturity. Starting your hemerocallis indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on February 15 in Fairfax. You can expect an average low temperature of 25°F in the coldest months of winter.

Keep in mind that USDA zone info for Fairfax is an average and the actual date of last frost is different every year. Half of the time in Fairfax you get a frost after February 15 so just be sure to be ready to protect your hemerocallis if you have a late frost.

USDA Zone Info for Fairfax

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°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 30°F.

Plants to Grow in Fairfax

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