Before planting it is a good idea to find your USDA Zone info to figure out 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.

The USDA zone info for Chaska can be reffered to in order to determine when to plant gayfeather.

Planting Calendar for Gayfeather

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

Gayfeather are very cold tolerant which means that you can plant them a quite a bit earlier than other plants that might not handle the cold.

The earliest that you can plant gayfeather in Chaska 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 gayfeather and expect a good harvest is probably August. Any later than that and your gayfeather may not have a chance to fully mature. You can get started a little bit earlier by starting your gayfeather indoors.

Last Frost Date

The average date of last frost is May 15 in Chaska. In the coldest months of winter you should expect an average low temperature of -25°F.

Remember that USDA zone info for Chaska is an average and the actual date of last frost will vary from year to year. Since half of the time in Chaska last frost occurs after May 15 be ready to cover your gayfeather in the event of a surprise late frost.

USDA Zone Info for Chaska

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 Chaska

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