Step 1 – Discard any unattached pieces of old roots or leafy remnants.
Step 2 – Select garden location that will receive shade or partial sun. After the ground has thawed, dig a hole six inches deep and wide enough to fit each root separately. Partial sun or shade is best
Step 3 - Plant the divisions with the roots facing downward. Cover the top with an inch or two of soil and pack firmly around sides. Water them thoroughly.
Step 4 - In the garden, the clumps will sprout when the soil temperature rises sufficiently usually around mid May. In pots, you may place plants outside as long as evening temperatures stay above 40 degrees Fahrenheit.
Step 5 – In the garden, they are hardy down to a minus 20 below 0 with just a little autumn mulching.