When to Plant Firebush in Kelso, WA

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 earliest that you can plant firebush in Kelso can be estimated 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 when the weather gets warmer.

It's a bad idea to plant firebush until after the last frost has passed because they are not cold tolerant.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant firebush
Possibly ok, but a risky time to plant firebush
Probably not a good time to plant firebush

The earliest that you can plant firebush in Kelso 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 fully mature. 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 Kelso the average date of last frost happens on March 15. It might get as low as 15°F during the coldest months of winter.

Always keep in mind that USDA zone info for Kelso is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Kelso you get a frost after March 15 be ready to protect your firebush if you have a surprise late frost.

USDA Zone Info for Kelso

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 Low15°F
Highest Expected Low20°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 Kelso

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