One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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 brachycome in Northbrook should be estimated 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 has passed.

Since brachycome require warm weather it is necessary to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant brachycome in Northbrook 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

On average the last frost has passed is on April 15 in Northbrook. It might get as low as -15°F during the coldest months of winter.

Remember that USDA zone info for Northbrook is just an average and the actual date of last frost changes from year to year. Half of the time in Northbrook last frost occurs after April 15 so be sure to be ready to cover your brachycome in the event of one of those late frosts.

USDA Zone Info for Northbrook

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 Northbrook

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