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.

In Gresham you can determine when it's possible to plant firebush by using the USDA zone info.

Planting Calendar for Firebush

Frost tolerance for firebush:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Since firebush do not do well in cold weather it is important to wait until after the last frost before you can plant them.

The earliest that you can plant firebush in Gresham is April. However, you really should wait until May if you don't want to take any chances.

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

Last Frost Date

In Gresham the average date of last frost happens on March 15. It might get as low as 15°F during the coldest months of winter.

Remember that USDA zone info for Gresham is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Gresham you get surprised by a frost after March 15 be ready to protect your firebush in the event of a surprise late frost.

USDA Zone Info for Gresham

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 Gresham

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