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.

By looking at the USDA zone info for Le Mars it's a good idea to determine when it's a good idea to plant mecardonia.

Planting Calendar for Mecardonia

Frost tolerance for mecardonia:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

It's not a good idea to plant mecardonia until after all chance of frost has passed because they do not do well in cold weather.

The earliest that you can plant mecardonia in Le Mars is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant mecardonia and expect a good harvest is probably August. Any later than that and your mecardonia may not have a chance to grow to maturity. If you are starting your mecardonia indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost is on April 15 in Le Mars. You should expect an average low temperature of -20°F in the coldest months of winter.

Since the USDA zone info for Le Mars is just an average the actual date of last frost is different every year. Half of the time in Le Mars you get surprised by a frost after April 15 so always be ready to protect your mecardonia if you have one of those late frosts.

USDA Zone Info for Le Mars

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 Le Mars

You may be interested in your other planting guides for Le Mars.