One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Stewartville you can estimate when you can plant pansies by referring to the USDA zone info.

Planting Calendar for Pansies

Frost tolerance for pansies:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Since pansies do well in cold you can plant them earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant pansies in Stewartville 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 pansies and expect a good harvest is probably August. You probably don't want to wait any later than that or else your pansies may not have a chance to fully mature. Starting your pansies indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Stewartville the average date of last frost happens on May 15. It might get as low as -25°F during the coldest months of winter.

Keep in mind that USDA zone info for Stewartville is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Stewartville it frosts late in the year after May 15 so always be ready to cover your pansies in the event of a surprise late frost.

USDA Zone Info for Stewartville

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Stewartville

You may be interested in your other planting guides for Stewartville.