Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of getting a good idea when you can plant catharanthus is to check out the USDA zone info for Hermosa Beach.

Planting Calendar for Catharanthus

Frost tolerance for catharanthus:	Not tolerant of frost.
When to plant:	After the last frost.

Catharanthus require warm weather which tells us that it is important to wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant catharanthus in Hermosa Beach 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 catharanthus and expect a good harvest is probably September. If you wait any later than that and your catharanthus may not have a chance to fully mature. If you are starting your catharanthus 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.

Remember that USDA zone info for Hermosa Beach may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Hermosa Beach last frost occurs after January 31 be ready to protect your catharanthus 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 Low	35°F
Highest Expected Low	40°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.