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

In Tumwater you can figure out when to plant steirodiscus by referring to 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.

Steirodiscus do ok in moderate cold which tells us that you can plant them slightly earlier than plants that are more sensitive to the cold.

The earliest that you can plant steirodiscus in Tumwater 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. If you are starting your steirodiscus indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Tumwater the average date of last frost happens on March 15. It might get as low as 10°F during the coldest months of winter.

Always keep in mind that USDA zone info for Tumwater is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Tumwater it frosts late in the year after March 15 be ready to cover your steirodiscus in the event of one of those late frosts.

USDA Zone Info for Tumwater

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Tumwater

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