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

By looking at the USDA zone info for Hillsboro it's possible to determine 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.

Red Hot Pokers are very cold tolerant which means that you can get them planted much earlier than more sensitive plants.

The earliest that you can plant red hot pokers in Hillsboro 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. If you wait any later than that and your red hot pokers may not have a chance to grow to maturity. If you are starting your red hot pokers indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Hillsboro the average date of last frost happens on March 15. You should expect an average low temperature of 15°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Hillsboro is just an average and the actual date of last frost changes from year to year. Since half of the time in Hillsboro there is a last frost after March 15 be ready to cover your red hot pokers in the event of a late frost.

USDA Zone Info for Hillsboro

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 Hillsboro

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