The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The best time to plant coleus in Hornell can be estimated by looking at the USDA zone info.

Planting Calendar for Coleus

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

Coleus are not cold tolerant which tells us that you need to wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant coleus in Hornell 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 coleus and expect a good harvest is probably August. You probably don't want to wait any later than that or else your coleus may not have a chance to really do well. You can get started a couple of weeks earlier by starting your coleus indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Hornell. You can expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Hornell 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 Hornell there is a last frost after April 15 be ready to cover your coleus if you have 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.