The USDA Zone info is a great tool for gardeners to help us estimate 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 can estimate when it's a good idea to plant dallas fern in Troutdale by reviewing the USDA zone info.

Planting Calendar for Dallas Fern

Frost tolerance for dallas fern:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

It's not a good idea to plant dallas fern until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant dallas fern 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 dallas fern and expect a good harvest is probably August. Any later than that and your dallas fern may not have a chance to fully mature. You can get started a few weeks earlier by starting your dallas fern 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.

Since the USDA zone info for Troutdale is just an average the actual date of last frost is different every year. Half of the time in Troutdale you get a frost after March 15 so just be sure to be ready to cover your dallas fern in the event of 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.