The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By reviewing the USDA zone info for Oil City you should be able to figure out when you can plant coleus.

Planting Calendar for Coleus

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

Since coleus are not cold tolerant you must wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant coleus in Oil City 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 grow to maturity. Starting your coleus 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 Oil City. In the coldest months of winter you can expect an average low temperature of -15°F.

Just be sure to remember that USDA zone info for Oil City is just an average and the actual date of last frost changes from year to year. Half of the time in Oil City you get surprised by a frost after April 15 so make sure that you are prepared to protect your coleus if you have a late frost.

USDA Zone Info for Oil City

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 Oil City

You may be interested in your other planting guides for Oil City.