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.

In Rancho Palos Verdes you can determine when it's a good idea to plant cardinal flower by looking at the USDA zone info.

Planting Calendar for Cardinal Flower

Frost tolerance for cardinal flower:	Not tolerant of frost.
When to plant:	After the last frost has passed.

You can not plant cardinal flower until after all chance of frost has passed because they do not do well in cold weather.

The earliest that you can plant cardinal flower in Rancho Palos Verdes 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 cardinal flower and expect a good harvest is probably September. If you wait any later than that and your cardinal flower may not have a chance to really do well. If you are starting your cardinal flower indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost is on January 31 in Rancho Palos Verdes. You can expect an average low temperature of 35°F in the coldest months of winter.

It's important to remember that USDA zone info for Rancho Palos Verdes is an average and the actual date of last frost is different every year. Since half of the time in Rancho Palos Verdes it frosts late in the year after January 31 be ready to cover your cardinal flower if you have a late frost.

USDA Zone Info for Rancho Palos Verdes

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 Rancho Palos Verdes

You may be interested in your other planting guides for Rancho Palos Verdes.