When to Plant Dianthus in Shasta Lake, CA

Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's possible to figure out when to plant dianthus by checking out the USDA zone info for Shasta Lake.


Planting Calendar for Dianthus

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

Since dianthus do well in moderate cold you can plant them a bit earlier in the year than other plants that might not handle the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant dianthus
Possibly ok, but a risky time to plant dianthus
Probably not a good time to plant dianthus

The earliest that you can plant dianthus in Shasta Lake 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. If you wait any later than that and your dianthus may not have a chance to fully mature. Starting your dianthus indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Shasta Lake. You should expect an average low temperature of 25°F in the coldest months of winter.

Remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Shasta Lake and it will vary from year to year. Half of the time in Shasta Lake it frosts late in the year after February 15 so make sure that you are prepared to cover your dianthus if you have a surprise late frost.

USDA Zone Info for Shasta Lake

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)February 15
Average Date of First Frost (fall)December 15
Lowest Expected Low25°F
Highest Expected Low30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Shasta Lake

You may be interested in your other planting guides for Shasta Lake.