Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first chance to plant brachycome in Willowbrook should be determined by using 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 a bad idea to plant brachycome until after all chance of frost has passed because they require warm weather.

The earliest that you can plant brachycome in Willowbrook 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 really do well. You can get started a few weeks earlier by starting your brachycome indoors.

Last Frost Date

In Willowbrook the average date of last frost happens on April 15. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for Willowbrook may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Willowbrook it frosts late in the year after April 15 be ready to cover your brachycome if you have a late frost.

USDA Zone Info for Willowbrook

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°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 -10°F.

Plants to Grow in Willowbrook

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