Before planting it is a good idea to find your USDA Zone info to estimate 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 common way of estimating when it's a good idea to plant platycodon is to check out the USDA zone info for Rancho Palos Verdes.

Planting Calendar for Platycodon

Frost tolerance for platycodon:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Platycodon do ok in moderate cold which tells us that you can start planting them slightly earlier than more sensitive plants.

The earliest that you can plant platycodon 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 platycodon and expect a good harvest is probably September. Any later than that and your platycodon may not have a chance to really do well. You can get started a few weeks earlier by starting your platycodon indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on January 31 in Rancho Palos Verdes. It might get as low as 35°F during the coldest months of winter.

Since the USDA zone info for Rancho Palos Verdes may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Rancho Palos Verdes there is a last frost after January 31 be ready to cover your platycodon in the event of one of those late frosts.

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.