The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of determining when it's the best time to plant platycodon is to use the USDA zone info for Temecula.

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 can survive in mild cold which tells us that you can plant them just a tiny bit earlier in the year than more sensitive plants.

The earliest that you can plant platycodon in Temecula 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 fully mature. If you are starting your platycodon indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Temecula the average date of last frost happens on February 15. In the coldest months of winter you can expect an average low temperature of 25°F.

Keep in mind that USDA zone info for Temecula is just an average and the actual date of last frost changes from year to year. Since half of the time in Temecula you get surprised by a frost after February 15 be ready to protect your platycodon if you have one of those late frosts.

USDA Zone Info for Temecula

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Temecula

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