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.

It's possible to figure out when it's possible to plant didiscus by referring to the USDA zone info for Irvine.

Planting Calendar for Didiscus

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

Since didiscus are one of those plants that can tolerate a tiny bit of cold weather you can plant them slightly earlier in the year than other frost tender plants.

The earliest that you can plant didiscus in Irvine 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 didiscus and expect a good harvest is probably September. You probably don't want to wait any later than that or else your didiscus may not have a chance to really do well. Starting your didiscus indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Irvine the average date of last frost happens on January 31. You should expect an average low temperature of 30°F in the coldest months of winter.

Since the USDA zone info for Irvine may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Irvine you get a frost after January 31 be ready to protect your didiscus if you have a late frost.

USDA Zone Info for Irvine

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Irvine

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