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.

The first opportunity to plant fanflower in Troutdale should be determined by checking out the USDA zone info.

Planting Calendar for Fanflower

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

Since fanflower require warm weather it is necessary to wait until after the last frost has passed before you can plant them.

The earliest that you can plant fanflower in Troutdale 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. If you wait any later than that and your fanflower may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your fanflower indoors.

Last Frost Date

On average the last frost is on March 15 in Troutdale. It might get as low as 15°F during the coldest months of winter.

It's important to remember that USDA zone info for Troutdale is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Troutdale you get a frost after March 15 be ready to protect your fanflower if you have one of those late frosts.

USDA Zone Info for Troutdale

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 Troutdale

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