One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. 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 Silverton should be reffered to in order to determine when it's the best time to plant firebush.

Planting Calendar for Firebush

Frost tolerance for firebush:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

You really shouldn't plant firebush until after the last frost when the weather gets warmer because they do not do well in cold weather.

The earliest that you can plant firebush in Silverton 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. Any later than that and your firebush may not have a chance to really do well. You can get started a few weeks earlier by starting your firebush indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Silverton. You can expect an average low temperature of 10°F in the coldest months of winter.

Since the USDA zone info for Silverton is just an average the actual date of last frost changes from year to year. Since half of the time in Silverton it frosts late in the year after March 15 be ready to protect your firebush in the event of a surprise late frost.

USDA Zone Info for Silverton

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Silverton

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