One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to figure out when it's possible to plant bacopa by reviewing the USDA zone info for Tiffin.

Planting Calendar for Bacopa

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

Bacopa do ok in moderate cold which means that you can plant them slightly earlier than more sensitive plants.

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

The last month that you can plant bacopa and expect a good harvest is probably August. Any later than that and your bacopa may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your bacopa indoors.

Last Frost Date

In Tiffin the average date of last frost happens on April 15. It might get as low as -10°F during the coldest months of winter.

Keep in mind that USDA zone info for Tiffin is an average and the actual date of last frost is different every year. Half of the time in Tiffin last frost occurs after April 15 so be sure to be ready to cover your bacopa if you have a surprise late frost.

USDA Zone Info for Tiffin

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 Tiffin

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