One of the first steps you take when you are determining 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.

A way of figuring out when it's a good idea to plant dianthus is to consult the USDA zone info for Ardmore.

Planting Calendar for Dianthus

Frost tolerance for dianthus:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Dianthus do well in moderate cold which tells us that you can plant them a little bit earlier than more sensitive plants.

The earliest that you can plant dianthus in Ardmore is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant dianthus and expect a good harvest is probably September. If you wait any later than that and your dianthus may not have a chance to really do well. You can get started a couple of weeks earlier by starting your dianthus indoors.

Last Frost Date

In Ardmore the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of 5°F.

Remember that USDA zone info for Ardmore may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Ardmore you get a frost after April 15 so just be sure to be ready to protect your dianthus if you have one of those late frosts.

USDA Zone Info for Ardmore

Here is the info for USDA Zone 7b.

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

Plants to Grow in Ardmore

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