The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of making a decision about when it's a good idea to plant brachycome is to check out the USDA zone info for Troutdale.

Planting Calendar for Brachycome

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

It's not a good idea to plant brachycome until after all chance of frost has passed because they do not do well in cold weather.

The earliest that you can plant brachycome in Troutdale 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. You probably don't want to wait any later than that or else your brachycome may not have a chance to grow to maturity. Starting your brachycome indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Troutdale the average date of last frost happens on March 15. In the coldest months of winter you can expect an average low temperature of 15°F.

Since the USDA zone info for Troutdale is just an average the actual date of last frost is different every year. Since half of the time in Troutdale you get a frost after March 15 be ready to protect your brachycome if you have one of those late frosts.

USDA Zone Info for Troutdale

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 Troutdale

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