One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first chance to plant fanflower in Washington can be figured out by referring to the USDA zone info.

Planting Calendar for Fanflower

Frost tolerance for fanflower:	Not tolerant of frost.
When to plant:	After the last frost.

You can not plant fanflower until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant fanflower in Washington is April. However, you really should wait until May if you don't want to take any chances.

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

Last Frost Date

The average date of last frost is March 15 in Washington. You should expect an average low temperature of 10°F in the coldest months of winter.

Remember that USDA zone info for Washington may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Washington last frost occurs after March 15 be ready to cover your fanflower in the event of one of those late frosts.

USDA Zone Info for Washington

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 Washington

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