The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. 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 Ann Arbor should be reffered to in order to estimate when it's possible to plant bellis.

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 means that you can plant them earlier than other plants that might not handle the cold.

The earliest that you can plant bellis in Ann Arbor 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. If you wait any later than that and your bellis may not have a chance to grow to maturity. Starting your bellis indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost is on April 15 in Ann Arbor. In the coldest months of winter you can expect an average low temperature of -10°F.

It's important to remember that USDA zone info for Ann Arbor may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Ann Arbor there is a last frost after April 15 be ready to protect your bellis in the event of one of those late frosts.

USDA Zone Info for Ann Arbor

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Ann Arbor

You may be interested in your other planting guides for Ann Arbor.