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

In West Covina you can figure out when to plant steirodiscus by checking out the USDA zone info.

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.

Steirodiscus do ok in a tiny bit of cold which tells us that you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant steirodiscus in West Covina 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 grow to maturity. You can get started a few weeks earlier by starting your steirodiscus indoors.

Last Frost Date

The average date of last frost is January 31 in West Covina. It might get as low as 30°F during the coldest months of winter.

It's important to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for West Covina and it changes from year to year. Since half of the time in West Covina there is a last frost after January 31 be ready to cover your steirodiscus if you have one of those late frosts.

USDA Zone Info for West Covina

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 West Covina

You may be interested in your other planting guides for West Covina.