One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's possible to determine when it's possible to plant steirodiscus by referring to the USDA zone info for Altus.

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 are barely cold tolerant which means that you can start planting them slightly earlier than other frost tender plants.

The earliest that you can plant steirodiscus in Altus is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant steirodiscus and expect a good harvest is probably August. Any later than that and your steirodiscus may not have a chance to really do well. You can get started a few weeks earlier by starting your steirodiscus indoors.

Last Frost Date

The average date of last frost is April 15 in Altus. You should expect an average low temperature of 5°F in the coldest months of winter.

Remember that USDA zone info for Altus is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Altus there is a last frost after April 15 so always be ready to protect your steirodiscus if you have one of those late frosts.

USDA Zone Info for Altus

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Altus

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