Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant pansies in Cottage Grove can be determined by reviewing 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.

You can plant pansies a lot earlier in the year because they do well in cold.

The earliest that you can plant pansies in Cottage Grove 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. If you wait any later than that and your pansies may not have a chance to fully mature. You can get started a few weeks earlier by starting your pansies indoors.

Last Frost Date

On average all chance of frost has passed is on May 15 in Cottage Grove. In the coldest months of winter you can expect an average low temperature of -25°F.

Since the USDA zone info for Cottage Grove is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Cottage Grove you get surprised by a frost after May 15 be ready to cover your pansies in the event of a surprise late frost.

USDA Zone Info for Cottage Grove

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 Cottage Grove

You may be interested in your other planting guides for Cottage Grove.