Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of estimating when it's a good idea to plant hemerocallis is to examine the USDA zone info for Washougal.

Planting Calendar for Hemerocallis

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

Hemerocallis tend to make it in moderate cold which means that you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant hemerocallis in Washougal 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 really do well. Starting your hemerocallis indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Washougal the average date of last frost happens on March 15. In the coldest months of winter you can expect an average low temperature of 15°F.

It's important to remember that USDA zone info for Washougal may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Washougal it frosts late in the year after March 15 be ready to protect your hemerocallis in the event of one of those late frosts.

USDA Zone Info for Washougal

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Washougal

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