One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to figure out when you can plant four-o-clock flower by reviewing the USDA zone info for Dillon.

Planting Calendar for Four-o-clock flower

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

Since four-o-clock flower require warm weather you have to wait until after the last frost before you can plant them.

The earliest that you can plant four-o-clock flower in Dillon 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 grow to maturity. If you are starting your four-o-clock flower indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost has passed is on March 15 in Dillon. In the coldest months of winter you should expect an average low temperature of 10°F.

It's important to remember that USDA zone info for Dillon is just an average and the actual date of last frost will vary from year to year. Half of the time in Dillon it frosts late in the year after March 15 so be sure to be ready to protect your four-o-clock flower if you have a late frost.

USDA Zone Info for Dillon

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in Dillon

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