When to Plant Brachycome in Happy Valley, OR

One of the first steps you take when you are figuring out 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.

You will be able to determine when you can plant brachycome by referring to the USDA zone info for Happy Valley.


Planting Calendar for Brachycome

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

It's probably a bad idea to plant brachycome until after the last frost has passed because they require warm weather.

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

The earliest that you can plant brachycome in Happy Valley 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 brachycome and expect a good harvest is probably August. Any later than that and your brachycome may not have a chance to grow to maturity. You can get started a little bit earlier by starting your brachycome indoors.

Last Frost Date

On average the last frost is on March 15 in Happy Valley. In the coldest months of winter you can expect an average low temperature of 15°F.

Just be sure to remember that the actual date of last frost is an average because it is based on the USDA zone info for Happy Valley and it is different every year. Since half of the time in Happy Valley you get a frost after March 15 be ready to cover your brachycome if you have one of those late frosts.

USDA Zone Info for Happy Valley

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 Happy Valley

You may be interested in your other planting guides for Happy Valley.