One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Hornell you can determine when it's a good idea to plant doronicum by referring to the USDA zone info.

Planting Calendar for Doronicum

Frost tolerance for doronicum:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Doronicum do well in moderate cold which tells us that you can get them planted earlier than other frost tender plants.

The earliest that you can plant doronicum in Hornell 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 doronicum and expect a good harvest is probably September. Any later than that and your doronicum may not have a chance to really do well. You can get started a couple of weeks earlier by starting your doronicum indoors.

Last Frost Date

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

Since the USDA zone info for Hornell may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Hornell you get surprised by a frost after April 15 so be sure to be ready to cover your doronicum in the event of a late frost.

USDA Zone Info for Hornell

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 Hornell

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