The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The best time to plant brachycome in Oregon City can be determined by checking out the USDA zone info.

Planting Calendar for Brachycome

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

It's probably not a good idea to plant brachycome until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant brachycome in Oregon City 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. If you are starting your brachycome indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is March 15 in Oregon City. You should expect an average low temperature of 15°F in the coldest months of winter.

Since the USDA zone info for Oregon City may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Oregon City last frost occurs after March 15 so just be sure to be ready to cover your brachycome if you have a late frost.

USDA Zone Info for Oregon City

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 Oregon City

You may be interested in your other planting guides for Oregon City.