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

A common way of estimating when it's possible to plant hemerocallis is to use the USDA zone info for Dos Palos.

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 one of those plants that can tolerate a little bit of cold weather you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant hemerocallis in Dos Palos 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. If you wait any later than that and your hemerocallis may not have a chance to really do well. If you are starting your hemerocallis indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is February 15 in Dos Palos. In the coldest months of winter you can expect an average low temperature of 20°F.

Since the USDA zone info for Dos Palos is not always accurate the actual date of last frost changes from year to year. Since half of the time in Dos Palos it frosts late in the year after February 15 be ready to cover your hemerocallis if you have a surprise late frost.

USDA Zone Info for Dos Palos

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Dos Palos

You may be interested in your other planting guides for Dos Palos.