One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You should be able to figure out when to plant copperleaf by reviewing the USDA zone info for Hornell.

Planting Calendar for Copperleaf

Frost tolerance for copperleaf:	Not tolerant of frost.
When to plant:	After the last frost.

Copperleaf require warm weather which means that it is important 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 copperleaf 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 copperleaf and expect a good harvest is probably August. If you wait any later than that and your copperleaf may not have a chance to really do well. If you are starting your copperleaf indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Hornell the average date of last frost happens on April 15. It might get as low as -15°F during the coldest months of winter.

Always keep in mind that USDA zone info for Hornell is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Hornell it frosts late in the year after April 15 so just be sure to be ready to cover your copperleaf if you have a surprise 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.