Keep in mind when planting that Red Satin is thought of as hardy, so it can be safe to leave outdoors for the majority of winter (although if in doubt, using a row cover is often a good idea).
As Red Satin is hardy, ensure temperatures are mild enough to plant out - wait until after your last frost date to be on the safe side.
Permathread series
Hybridized by Probst; Year of Registration or Introduction: 2013