One of the best tools that you have as gardeners to help us figure out your gardening schedule is the 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.

In Grayslake you can estimate when you can plant bellis by using the USDA zone info.

Planting Calendar for Bellis

Frost tolerance for bellis:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Bellis do well in moderate cold which tells us that you can start planting them earlier than other frost tender plants.

The earliest that you can plant bellis in Grayslake 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 bellis and expect a good harvest is probably September. Any later than that and your bellis may not have a chance to grow to maturity. You can get started a little bit earlier by starting your bellis indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Grayslake. In the coldest months of winter you can expect an average low temperature of -15°F.

Since the USDA zone info for Grayslake is just an average the actual date of last frost is different every year. Half of the time in Grayslake you get a frost after April 15 so just be sure to be ready to cover your bellis in the event of a surprise late frost.

USDA Zone Info for Grayslake

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 Grayslake

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