Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can estimate when it's possible to plant chocolate daisy in Portland by looking at the USDA zone info.

Planting Calendar for Chocolate Daisy

Frost tolerance for chocolate daisy:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

You can plant chocolate daisy slightly earlier in the year because they do ok in moderate cold.

The earliest that you can plant chocolate daisy in Portland is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant chocolate daisy and expect a good harvest is probably August. You probably don't want to wait any later than that or else your chocolate daisy may not have a chance to fully mature. Starting your chocolate daisy indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Portland. In the coldest months of winter you can expect an average low temperature of -15°F.

Remember that USDA zone info for Portland is just an average and the actual date of last frost will vary from year to year. Half of the time in Portland it frosts late in the year after April 15 so just be sure to be ready to protect your chocolate daisy if you have a surprise 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.