How to Grow Eupatorium
- 1). Dig up a 10-inch by 10-inch portion of an established Eupatorium plant using a pointed shovel, or spade. Place the division on a large work surface such as a garden bench.
- 2). Insert the tines of a hand fork lengthwise along the center of the root ball. Insert the tines of the second hand fork so they mesh with those of the first. Grip the handles of each hand fork and pull the roots apart so you have two root balls. Place the Eupatorium root divisions in a cool, shady spot while you prepare the new planting site.
- 3). Work the soil in a spot with average garden soil and full or partial sun exposure using a hand cultivator. Break up the soil to a depth of at least 5 inches, or as deep as the root system of the mother plant.
- 4). Water the bed with a garden hose so it is moist to a depth of 5 inches. Allow the soil to drain slightly before creating the planting holes.
- 5). Dig a planting hole for each of the Eupatorium divisions. Create the hole large enough to comfortably accommodate the root ball without crowding it. Space the holes 24 to 36 inches apart.
- 6). Place the root divisions into the holes so the foliage is upright. Slowly fill in around the roots with small handfuls of soil until the holes are filled. Press around the base of the division with the palm of you hand.
- 7). Water the Eupatorium plants to a depth of 7 inches every seven to 10 days, depending on the heat and soil composition. Water more frequently if the bed is sandy and less frequently if the soil has a lot of clay.