Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's possible to determine when to plant bacopa by reviewing the USDA zone info for Mason City.

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.

You can plant bacopa a bit earlier in the year because they do ok in moderate cold.

The earliest that you can plant bacopa in Mason City 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 few weeks earlier by starting your bacopa indoors.

Last Frost Date

The average date of last frost is April 15 in Mason City. You should expect an average low temperature of -20°F in the coldest months of winter.

Always keep in mind that USDA zone info for Mason City is not always accurate and the actual date of last frost changes from year to year. Half of the time in Mason City you get a frost after April 15 so make sure that you are prepared to cover your bacopa in the event of a surprise late frost.

USDA Zone Info for Mason City

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°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 -15°F.

Plants to Grow in Mason City

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