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When to Plant Dianthus in Hermosa Beach, CA

One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Hermosa Beach should be reviewed to estimate when it's a good idea to plant dianthus.


Planting Calendar for Dianthus

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

Since dianthus are one of those plants that can tolerate a little bit of cold weather you can plant them a little 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 Hermosa Beach 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 really do well. If you are starting your dianthus indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Hermosa Beach the average date of last frost happens on January 31. In the coldest months of winter you should expect an average low temperature of 35°F.

Always keep in mind that USDA zone info for Hermosa Beach is not always accurate and the actual date of last frost changes from year to year. Half of the time in Hermosa Beach last frost occurs after January 31 so be sure to be ready to cover your dianthus in the event of a late frost.

USDA Zone Info for Hermosa Beach

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)January 31
Average Date of First Frost (fall)December 15
Lowest Expected Low35°F
Highest Expected Low40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Hermosa Beach

You may be interested in your other planting guides for Hermosa Beach.