Is Summersweet Invasive. Clethra is a challenge for garden centers to sell because it is in full flower when Arkansas is in the midst of the summer heat when most. A non-invasive alternative to the Butterfly Bush Summersweet Clethra alnifolia is a spicy-scented shrub with white or pink flowers that lures birds bees and butterflies turns gold in fall and grows on average 5 to 8 feet tall and 4 to 6 feet wide.
THE LEAVES ARE ALTERNATE GLOSSY AND FINELY TOOTHED. To get the most from your summersweet shrub place it in a location where it will have plenty of growing room as this plant tends to reach anywhere from 5 to 7 feet in height and spreads about 6 to 8 feet across. Summersweet Alamy Clethra alnifolia.
March 29 2019 Japanese knotweed is an invasive ornamental plant that can be tough to remove.
It is a rounded suckering densely-branched deciduous shrub that typically grows to 3-6 less frequently to 8 tall and is noted for producing a mid to late summer bloom of. Some species seed aggressively in parts of the country. In zones 3 to 9. Summersweet Alamy Clethra alnifolia.