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.

You should be able to estimate when it's possible to plant hemerocallis by using the USDA zone info for Alva.

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 bit earlier in the year than more sensitive plants.

The earliest that you can plant hemerocallis in Alva 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. If you wait any later than that and your hemerocallis may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your hemerocallis indoors.

Last Frost Date

The average date of last frost is April 15 in Alva. You should expect an average low temperature of -5°F in the coldest months of winter.

Always keep in mind that USDA zone info for Alva is an average and the actual date of last frost changes from year to year. Half of the time in Alva you get surprised by a frost after April 15 so make sure that you are prepared to protect your hemerocallis if you have a late frost.

USDA Zone Info for Alva

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°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 0°F.

Plants to Grow in Alva

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