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.

A common way of estimating when to plant platycodon is to refer to the USDA zone info for Paramount.

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.

You can plant platycodon just a tiny bit earlier in the year because they are barely cold tolerant.

The earliest that you can plant platycodon in Paramount 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. You probably don't want to wait any later than that or else your platycodon may not have a chance to really do well. Starting your platycodon indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is January 31 in Paramount. In the coldest months of winter you can expect an average low temperature of 35°F.

Since the USDA zone info for Paramount is an average the actual date of last frost is different every year. Half of the time in Paramount you get surprised by a frost after January 31 so make sure that you are prepared to cover your platycodon in the event of a surprise late frost.

USDA Zone Info for Paramount

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 Paramount

You may be interested in your other planting guides for Paramount.