One of the first steps you take when you are determining your gardening schedule is find your 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.

You should be able to determine when it's a good idea to plant painted daisies by using the USDA zone info for Portland.

Planting Calendar for Painted Daisies

Frost tolerance for painted daisies:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Painted Daisies tend to make it in a little bit of cold which means that you can plant them a little earlier in the year than other plants that might not handle the cold.

The earliest that you can plant painted daisies in Portland is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant painted daisies and expect a good harvest is probably October. You probably don't want to wait any later than that or else your painted daisies may not have a chance to really do well. If you are starting your painted daisies indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Portland. In the coldest months of winter you should expect an average low temperature of 25°F.

Just be sure to remember that USDA zone info for Portland is an average and the actual date of last frost is different every year. Since half of the time in Portland you get a frost after February 15 be ready to protect your painted daisies if you have one of those late frosts.

USDA Zone Info for Portland

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Portland

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