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

The USDA zone info for Portland can be reviewed to figure out when it's the best time to plant red hot pokers.

Planting Calendar for Red Hot Pokers

Frost tolerance for red hot pokers:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

You can plant red hot pokers quite a bit earlier in the year because they are one of those plants that can tolerate quite a bit of cold weather.

The earliest that you can plant red hot pokers 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 red hot pokers and expect a good harvest is probably September. Any later than that and your red hot pokers may not have a chance to grow to maturity. Starting your red hot pokers indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Portland. It might get as low as -15°F during the coldest months of winter.

Remember 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. Half of the time in Portland there is a last frost after April 15 so always be ready to protect your red hot pokers in the event of 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.