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

In Wellsville you can determine when you can plant four o' clock by using the USDA zone info.

Planting Calendar for Four O' Clock

Frost tolerance for four o' clock:	Not tolerant of frost.
When to plant:	After the last frost has passed.

You can not plant four o' clock until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant four o' clock in Wellsville 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 four o' clock and expect a good harvest is probably August. Any later than that and your four o' clock may not have a chance to really do well. If you are starting your four o' clock indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Wellsville. It might get as low as -20°F during the coldest months of winter.

Since the USDA zone info for Wellsville is an average the actual date of last frost is different every year. Since half of the time in Wellsville there is a last frost after April 15 be ready to cover your four o' clock if you have a late frost.

USDA Zone Info for Wellsville

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Wellsville

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