The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Tracy you can estimate when you can plant dianthus by looking at the USDA zone info.

Planting Calendar for Dianthus

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

Dianthus tend to make it in some cold which means that you can plant them a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant dianthus in Tracy 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. Starting your dianthus indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is February 15 in Tracy. It might get as low as 20°F during the coldest months of winter.

Always keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Tracy and it will vary from year to year. Since half of the time in Tracy it frosts late in the year after February 15 be ready to protect your dianthus in the event of a late frost.

USDA Zone Info for Tracy

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 Tracy

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