Before planting it is a good idea to find your USDA Zone info to figure out 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.

The USDA zone info for Berkeley should be used to figure out when to plant steirodiscus.

Planting Calendar for Steirodiscus

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

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

The earliest that you can plant steirodiscus in Berkeley 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 steirodiscus and expect a good harvest is probably September. If you wait any later than that and your steirodiscus may not have a chance to fully mature. You can get started a little bit earlier by starting your steirodiscus indoors.

Last Frost Date

The average date of last frost is January 31 in Berkeley. In the coldest months of winter you can expect an average low temperature of 30°F.

Since the USDA zone info for Berkeley 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 Berkeley you get a frost after January 31 be ready to cover your steirodiscus in the event of a surprise late frost.

USDA Zone Info for Berkeley

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 Berkeley

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