One of the best tools that you have as gardeners to help us determine 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.

The earliest that you can plant four-o-clock flower in Shepherdsville can be estimated by checking out the USDA zone info.

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 really shouldn't 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 Shepherdsville 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 really do well. Starting your four-o-clock flower indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Shepherdsville. It might get as low as -5°F during the coldest months of winter.

Keep in mind that USDA zone info for Shepherdsville is just an average and the actual date of last frost is different every year. Since half of the time in Shepherdsville there is a last frost after April 15 be ready to cover your four-o-clock flower in the event of one of those late frosts.

USDA Zone Info for Shepherdsville

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Shepherdsville

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