Plum 'Count Althann's Gage'

Keep in mind when planting that Count Althann's Gage 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 Count Althann's Gage is hardy, ensure temperatures are mild enough to plant out - wait until after your last frost date to be on the safe side.