One of the first steps you take when you are getting a good idea 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.

You will be able to estimate when it's the best time to plant bells of ireland by reviewing the USDA zone info for Bay City.

Planting Calendar for Bells of Ireland

Frost tolerance for bells of ireland:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

You can plant bells of ireland a bit earlier in the year because they are barely cold tolerant.

The earliest that you can plant bells of ireland in Bay City 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 bells of ireland and expect a good harvest is probably September. You probably don't want to wait any later than that or else your bells of ireland may not have a chance to fully mature. Starting your bells of ireland indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Bay City the average date of last frost happens on February 15. It might get as low as 20°F during the coldest months of winter.

Keep in mind that USDA zone info for Bay City is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Bay City last frost occurs after February 15 be ready to cover your bells of ireland in the event of one of those late frosts.

USDA Zone Info for Bay City

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Bay City

You may be interested in your other planting guides for Bay City.