One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Roseville you can estimate when to plant steirodiscus by using 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.

You can plant steirodiscus slightly earlier in the year because they do ok in moderate cold.

The earliest that you can plant steirodiscus in Roseville 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

On average the last frost has passed is on February 15 in Roseville. In the coldest months of winter you should expect an average low temperature of 25°F.

Remember that USDA zone info for Roseville is an average and the actual date of last frost is different every year. Half of the time in Roseville you get surprised by a frost after February 15 so make sure that you are prepared to protect your steirodiscus in the event of a late frost.

USDA Zone Info for Roseville

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 Roseville

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