One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's possible to estimate when you can plant pansies by looking at the USDA zone info for Northbrook.

Planting Calendar for Pansies

Frost tolerance for pansies:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Pansies are very cold tolerant which tells us that you can plant them much earlier than more sensitive plants.

The earliest that you can plant pansies in Northbrook is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant pansies and expect a good harvest is probably September. You probably don't want to wait any later than that or else your pansies may not have a chance to fully mature. You can get started a little bit earlier by starting your pansies indoors.

Last Frost Date

The average date of last frost is April 15 in Northbrook. You should expect an average low temperature of -15°F in the coldest months of winter.

Keep in mind that USDA zone info for Northbrook is not always accurate and the actual date of last frost is different every year. Half of the time in Northbrook it frosts late in the year after April 15 so make sure that you are prepared to cover your pansies 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.