The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can figure out when it's the best time to plant painted daisies in Portland by reviewing the USDA zone info.

Planting Calendar for Painted Daisies

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

Since painted daisies are one of those plants that can tolerate a little bit of cold weather you can plant them just a bit earlier in the year than more sensitive plants.

The earliest that you can plant painted daisies in Portland is February. However, you really should wait until March 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 September. If you wait any later than that and your painted daisies may not have a chance to fully mature. If you are starting your painted daisies indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Portland the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of -15°F.

Always keep in mind that USDA zone info for Portland is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Portland last frost occurs after April 15 be ready to cover your painted daisies if you have a late frost.

USDA Zone Info for Portland

Here is the info for USDA Zone 5b.

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

Plants to Grow in Portland

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