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 Alvin you can estimate when you can 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 just a tiny bit earlier in the year because they are barely cold tolerant.

The earliest that you can plant steirodiscus in Alvin 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. Any later than that and your steirodiscus may not have a chance to grow to maturity. You can get started a little bit earlier by starting your steirodiscus indoors.

Last Frost Date

The average date of last frost is February 15 in Alvin. You can expect an average low temperature of 20°F in the coldest months of winter.

Since the USDA zone info for Alvin is just an average the actual date of last frost is different every year. Since half of the time in Alvin last frost occurs after February 15 be ready to protect your steirodiscus in the event of a surprise late frost.

USDA Zone Info for Alvin

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 Alvin

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