One of the best tools that you have as gardeners to help us figure out 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 USDA zone info for Brookfield should be reviewed to determine when it's a good idea to plant forget-me-not.

Planting Calendar for Forget-Me-Not

Frost tolerance for forget-me-not:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Forget-Me-Not are one of those plants that can tolerate a little bit of cold weather which tells us that you can plant them earlier than other frost tender plants.

The earliest that you can plant forget-me-not in Brookfield 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 forget-me-not and expect a good harvest is probably September. Any later than that and your forget-me-not may not have a chance to really do well. Starting your forget-me-not indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Keep in mind that USDA zone info for Brookfield is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Brookfield there is a last frost after April 15 be ready to protect your forget-me-not in the event of one of those late frosts.

USDA Zone Info for Brookfield

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 Brookfield

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