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

You should be able to figure out when it's possible to plant cardinal flower by reviewing the USDA zone info for Cobleskill.

Planting Calendar for Cardinal Flower

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

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

The earliest that you can plant cardinal flower in Cobleskill 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 cardinal flower and expect a good harvest is probably August. If you wait any later than that and your cardinal flower may not have a chance to fully mature. Starting your cardinal flower indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Cobleskill. You can expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Cobleskill is an average the actual date of last frost is different every year. Half of the time in Cobleskill last frost occurs after April 15 so make sure that you are prepared to cover your cardinal flower if you have a late frost.

USDA Zone Info for Cobleskill

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Cobleskill

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