One of the first steps you take when you are figuring out 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 determining when to plant dianthus is to check out the USDA zone info for Kerman.

Planting Calendar for Dianthus

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

You can plant dianthus a bit earlier in the year because they do well in moderate cold.

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

The last month that you can plant dianthus and expect a good harvest is probably October. You probably don't want to wait any later than that or else your dianthus may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your dianthus indoors.

Last Frost Date

The average date of last frost is February 15 in Kerman. In the coldest months of winter you should expect an average low temperature of 20°F.

Always keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Kerman and it is different every year. Half of the time in Kerman you get surprised by a frost after February 15 so just be sure to be ready to cover your dianthus if you have one of those late frosts.

USDA Zone Info for Kerman

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°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 25°F.

Plants to Grow in Kerman

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