Rose of Sharon (in Hebrew: חֲבַצֶּלֶת הַשָּׁרוֹן) is a biblical expression, though the identity of the plant referred to is unclear and is disputed among biblical scholars. It has become a common name for several species of flowering plants that are valued in different parts of the world. Is Rose Of Sharon Invasive – How To ControlRose Of SharonPlants. Teo Spengler's avatar.If you’ve plantedrose of Sharon in your backyard, you shouldn’t panic. You can control this shrub quite easily if you are willing to put in the time before new shoots get out of control. Rose of sharon is usually planted in the ground but it can also be grown in container as a lovely terrace flora . Whether in containers or the ground , winter care for rose of sharon may be require . Learn more about overwinter arise of sharon here . Remove damaged or diseased branches as they arise. Deadhead self-seeding rose of Sharon flowers before they set seed. This cuts down on unwanted spread and helps control this plant's invasive nature. Discover effective methods to controlrose of sharon seedlings in your lawn and prevent them from spreading aggressively.Learn the best techniques for pruning your Rose of Sharonplants to keep them in control and thriving. Pruning your Rose of SharonPlant is an important part of growing this fast-growing ornamental bush. While many think of the Rose of Sharon as a shrub, it can actually grow into the size of. Rose of Sharon reproduces via seeds and can spread aggressively, crowding out native plants in some areas. Control the spread by digging out volunteer seedlings and deadheading flowers before they go to seed. Prune your plant to control its size or to remove dead or damaged branches. Otherwise, rose of Sharon needs little pruning. Cutting back to two or three buds per branch will help encourage larger flowers. Determine a sunny location for your Rose of Sharon hibiscus plants and then measure the length of the planting area. This plant needs 4 feet between plants, so plan accordingly before visiting the nursery. For example, if you want a 20-foot hedge, purchase five plants.