The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of figuring out when you can plant steirodiscus is to examine the USDA zone info for Roanoke.

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.

Since steirodiscus are one of those plants that can tolerate a tiny bit of cold weather you can plant them slightly earlier in the year than more sensitive plants.

The earliest that you can plant steirodiscus in Roanoke 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. You probably don't want to wait any later than that or else your steirodiscus may not have a chance to grow to maturity. If you are starting your steirodiscus indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Roanoke the average date of last frost happens on April 15. It might get as low as 5°F during the coldest months of winter.

Remember that USDA zone info for Roanoke is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Roanoke there is a last frost after April 15 be ready to cover your steirodiscus in the event of one of those late frosts.

USDA Zone Info for Roanoke

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 Roanoke

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