Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By looking at the USDA zone info for Patterson it's a good idea to estimate when it's the best time 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.

Steirodiscus tend to make it in very little 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 Patterson 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 really do well. Starting your steirodiscus indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Patterson. In the coldest months of winter you should expect an average low temperature of 20°F.

Since the USDA zone info for Patterson may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Patterson you get surprised by a frost after February 15 be ready to cover your steirodiscus if you have a late frost.

USDA Zone Info for Patterson

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Patterson

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