The USDA Zone info is a great tool for gardeners to help us figure out your gardening 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 a good idea to estimate when it's the best time to plant parsley by checking out the USDA zone info for Mason City.

Planting Calendar for Parsley

Frost tolerance for parsley:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Parsley can survive in some cold which tells us that you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant parsley in Mason 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 parsley and expect a good harvest is probably September. If you wait any later than that and your parsley may not have a chance to grow to maturity. If you are starting your parsley indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Mason City the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -20°F.

Since the USDA zone info for Mason City is an average the actual date of last frost is different every year. Since half of the time in Mason City there is a last frost after April 15 be ready to protect your parsley 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.