One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The earliest that you can plant snow-in summer in Le Mars can be figured out by using the USDA zone info.

Planting Calendar for Snow-in Summer

Frost tolerance for snow-in summer:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Snow-in Summer tend to make it in some cold which tells us that you can plant them just a bit earlier in the year than other frost tender plants.

The earliest that you can plant snow-in summer in Le Mars 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 snow-in summer and expect a good harvest is probably September. Any later than that and your snow-in summer may not have a chance to fully mature. You can get started a few weeks earlier by starting your snow-in summer indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Le Mars. In the coldest months of winter you can expect an average low temperature of -20°F.

Since the USDA zone info for Le Mars is just an average the actual date of last frost will vary from year to year. Since half of the time in Le Mars there is a last frost after April 15 be ready to cover your snow-in summer if you have a late frost.

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.