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.

In Mason City you can figure out when it's a good idea to plant angelonia by reviewing the USDA zone info.

Planting Calendar for Angelonia

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

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

The earliest that you can plant angelonia 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 angelonia and expect a good harvest is probably August. Any later than that and your angelonia may not have a chance to really do well. You can get started a little bit earlier by starting your angelonia indoors.

Last Frost Date

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

Always keep in mind that USDA zone info for Mason City may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Mason City you get surprised by a frost after April 15 be ready to protect your angelonia in the event of one of those late frosts.

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.