6-8' x 5' wide, (cutting propagated). "Royal Red" is one of the best Butterfly Bush varieties, valued for its vigor, heavy flowering habit and intense, deeply colored wine-red flowers. Nice deep green foliage, too. Summer-blooming Buddleia should be pruned every third year in mid-spring. Wait until the new foliage begins to show; then cut back main stems and thin crossed branches to two-thirds or half their original height. Zone 5-10. NOT FOR SALE TO OREGON per the Oregon Dept. of Agriculture. Please DON"T order this plant if you live in OREGON to avoid confiscation of the Buddleia/delay of your order! Potentially invasive in the coastal and higher rainfall areas of western Washington & California. Not a problem in the intermountain West, Southwestern US, Great Plains, Mid-West and New England. 5" deep premium pot.