RoseofSharon shrubs can be sensitive to drought or waterlogged soil. Yellowing or browning leaves, dropping buds, wilting plants, or stunted growth problems with althea oftentimes are caused by improper drainage in the planting site. Growing a RoseofSharon hedge in Your Garden is an excellent way of creating a private garden area during the summer season. Changing the appearance of your garden can be easily done.With your knowledge about RoseofSharon shrubs, your problem can be easily solved. It buds fully, but then the blooms fail to open. What is the problem? My white roseofSharon opens just fine. About the only serious problem for roseofsharon, a member of the cotton family, is cotton root rot, which can kill plants of any age. There is no practical control. In fact, one of the most common roseofSharonproblems is transplant shock, even later on in the season or up to two years later, according to Toronto Master Gardeners, when you might least expect it. RoseofSharon shrubs are prone to insect and diseases, such as aphids and powdery mildew, with visible signs such as yellow leaves or deformed flowers. Root knot nematodes and aphids are other common pests of RoseofSharon. RoseofSharon, Hibiscus syriacus, Althea The RoseofSharon (Hibiscus syriacus) also known as an Althea shrub is a mid summer bloomer in white, pink, red, or purple with a red center. You can also find them ruffled in the same array of colors including what many call blue. Though roseofSharon generally is a plant with few problems, it can suffer from leaf spot. Leaf spot can be caused by either a fungus or bacteria, which manifests as spots on the leaves of the plant. It can lead to yellowing of the leaves and pustules on the undersides of the leaves. While RoseofSharon is beautiful to some gardeners, it is the bane of many others. The ROS suckers will eventually disappear, but it's going to require some patience and persistence on your part. It may take several seasons worth of yanking and digging, but eventually you'll win! RoseofSharon is a large deciduous shrub or small tree that grows to about 8 to 10 feet tall and 4 to 6 feet wide. The papery, single petaled blooms are similar in appearance to a hibiscus and range in color from blue to magenta to white. The leaves on the effected branchs just yellow, shrivel and eventually fall off. There is no other spotting on the leaves, bad bugs, or any other signs of problems. I have turk's cap, texas star hibiscus, butterfly bush, and passion vine growing right... Of all the flowers that God has made, the rose, take it all in all, is the loveliest and the sweetest. It has three things in perfection — shape, colour, and fragrance. Indeed, we may call it the queen of flowers.WEB: I am a roseofSharon, a lily of the valleys. RoseOfSharonProblems - Dealing With Common Althea Plant Issues.PlantFiles Pictures: Hibiscus, RoseofSharon, Shrub Althea 'Aphrodite' (Hibiscus syriacus) by RichSwanner.
