One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of estimating when you can plant four-o-clock flower is to examine the USDA zone info for North Ridgeville.

Planting Calendar for Four-o-clock flower

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

You can not plant four-o-clock flower until after the last frost when the weather gets warmer because they do not do well in cold weather.

The earliest that you can plant four-o-clock flower in North Ridgeville 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 flower and expect a good harvest is probably August. Any later than that and your four-o-clock flower may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your four-o-clock flower indoors.

Last Frost Date

On average the last frost is on April 15 in North Ridgeville. It might get as low as -10°F during the coldest months of winter.

Just be sure to remember that USDA zone info for North Ridgeville may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in North Ridgeville you get a frost after April 15 so make sure that you are prepared to cover your four-o-clock flower if you have a late frost.

USDA Zone Info for North Ridgeville

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in North Ridgeville

You may be interested in your other planting guides for North Ridgeville.