Under such conditions, use close spacing - 2 x 4 feet or 4 x 4 feet. Spacing for longer cycle cuttings can range up to 20 x 20 feet, depending on the size of the tree desired . Land Preparation - Proper land preparation is vital for ensuring high productivity plantations. Time of planting - The best time for planting west of the Cascades is January to April. Establish plantations east of the Cascades from March 1 to April 15.
Early planting improves tree establishment and aids chemical weed control.
Obtaining planting material - Hybrid poplar cuttings are available in the United States from many sources. However, it is important to use only clones proven to be adapted to the area where they will be planted. Age of cuttings - Cuttings are made from dormant 1 year of shoots, although plants can establish successfully from older shoots and branches. Most commonly, cuttings are 12 inches long, but can range from 6 to 24 inches. Planting the cuttings - Plant cuttings vertically and right side up.