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 should be able to figure out when to plant dahlberg daisy by referring to the USDA zone info for Troutdale.

Planting Calendar for Dahlberg Daisy

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

Since dahlberg daisy require warm weather you have to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant dahlberg daisy 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 dahlberg daisy and expect a good harvest is probably August. If you wait any later than that and your dahlberg daisy may not have a chance to really do well. Starting your dahlberg daisy indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Troutdale. In the coldest months of winter you should expect an average low temperature of 15°F.

Remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Troutdale and it can change quite a bit from year to year. Since half of the time in Troutdale you get a frost after March 15 be ready to cover your dahlberg daisy if you have a surprise late frost.

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.