One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of making a decision about when it's the best time to plant fanflower is to look at the USDA zone info for Eureka.

Planting Calendar for Fanflower

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

Fanflower do not do well in cold weather which tells us that you need to wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant fanflower in Eureka 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. Any later than that and your fanflower may not have a chance to really do well. You can get started a couple of weeks earlier by starting your fanflower indoors.

Last Frost Date

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

Just be sure to remember that USDA zone info for Eureka may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Eureka last frost occurs after April 15 be ready to protect your fanflower in the event of one of those late frosts.

USDA Zone Info for Eureka

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°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 -5°F.

Plants to Grow in Eureka

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