This shrub grows at a medium rate, with height increases of 13–24" per year.
How big does a rose of Sharon get? Mature size can range from 6 to 16 feet tall and 2 to 10 feet wide. This fast grower can add up to 2 feet of growth in a single season. If you need something small, try a dwarf variety like Lil' Kim or Pollypetite.
Pruning rose of Sharon shrub may be done in late fall or winter after leaves drop or in early spring before buds form. Rose of Sharon pruning done later than early spring may cause the loss of some blooms, but those that are not removed will be larger.
When a Rose of Sharon Doesn't Bloom. There are many possible answers as to why buds on your rose of Sharon flower do not open, but the most common causes are related to shade, rot, or overwatering, and drought: Excessive shade: Rose of Sharon will not bloom up to its full capabilities if given too much shade.
What Is The Lifespan Of Rose of Sharon? A Rose of Sharon can live and thrive, and even produce blooms for 20 or 30 years!
Rose-of-Sharon grows 8 to 10 feet tall and spreads 4 to 10 feet. The growth rate ranges from slow to moderate, and transplanting is easy. Several roots are usually located just beneath the soil surface.
The religious imagery in relation to Rose of Sharon symbolizes her maturation and saintly nature. It also symbolizes how the power of a mother transcends both the biological and familial sphere to be able to restore and save.
For spectacular flowers and easy care, plant your Rose of Sharon in a spot with good drainage and full sun to partial shade. In northern climates, six or more hours of direct daily sun promotes maximum blooms.
The root system of the rose of Sharon is a taproot system that can grow as deep as 45 cm or 1.5 feet. Most of the roots could be found in the top 23 to 30 cm or 8 to 12 inches of soil but it it can reach as far as 76 cm or 30 inches away from the plant.
Hardy to USDA Zones 5 to 8 (and sometimes 9), rose of Sharon is easy-to-grow and happy in full sun in northern gardens with at least six hours of sun each day. In southern areas, the plants like morning sun and some protection from the intense afternoon heat.
Best Fertilizer for Rose of Sharon
An ideal fertilizer would be a slow-release formula with a balanced composition, such as 10-10-10 or 14-14-14. The second number, phosphorus can be higher than the rest, but a higher nitrogen level is not recommended.
To propagate a rose of Sharon, dividing is not recommended, but taking cuttings can work well. In early to midsummer, trim lengths of six or seven inches, dip in rooting hormone, and plant in soilless mix, keeping evenly moist, covering if necessary, until new growth appears.
Rose of Sharon, rose mallow, althea, and hardy hibiscus are all common names for the same plant. The botanical name for this plant is Hibiscus syriacus. Hibiscus syriacus is very easy to grow and reaches an impressive size of 10×12 feet.
Can Rose of Sharon Be Kept Small? While rose of Sharon can withstand some light pruning in early spring, it does not grow well when continually trimmed to stay small. Cutting your rose of Sharon throughout the growing season will lead to reduced blooms and an overall stressed plant.
Hibiscus
In most cases, hibiscus is non-toxic for pets, but the Rose of Sharon (Hibiscus syriacus) is a type of hibiscus that can be harmful to your furry friend. If a dog ingests a significant amount of this hibiscus' flower, they can experience nausea, diarrhea, and vomiting.
To plant rose of Sharon in a single hedgerow, plant the shrubs 2 to 3 feet apart. Planting rose of Sharon close to buildings will give them some cold protection, which can help them over-winter successfully.
Animals who are particularly sensitive to the compounds in the plant, or who ingest unusually large quantities of the rose of Sharon may experience extreme nausea and vomiting. Profuse vomiting and diarrhea can lead to dangerous levels of dehydration.
Rose of Sharon will root from either softwood or hardwood cuttings. Softwood cuttings are taken from soft new growth in May or June, just as it begins to harden or mature. The cutting should be a shoot with leaf sizes ranging from small new leaves at the tip to older mature leaves lower on the cutting.
Deadhead the Flowers
Removing the blooms and developing seed pods—a process known as deadheading—halts the seed production process in its tracks, and thereby prevents the rampant self-seeding for which rose of Sharon is famous. When the flowers of your shrub are done blooming, simply deadhead them.
Rose of Sharon, Hibiscus syriacus, isn't a rose, but its large, flat blossoms and nectar attract hummingbirds and tiny insects that hummers also eat. The flowers on this woody shrub come in several colors, including white, pink, purple, and red.
No Rose of Sharon Flowers
There are several reasons you may either see no buds forming or your buds fail to open and simply fall off prematurely: Excessive shade and too little sun. Drought during an exceptionally dry summer. Rot caused by an exceptionally rainy summer or spring or because of soil that isn't draining.
Except when the “rose” in question isn't even a rose, that is, and doesn't smell like much of anything… What rose of Sharon, Hibiscus syriacus, lacks in aroma, it makes up for in sheer beauty, with a dazzling display of single or double flowers from midsummer to fall or first frost.
If you want to encourage your rose of Sharon to flower more, first check that it's in a full sun location. Make sure it's getting consistent water but that the soil drains easily. Then evaluate your pruning – an annual pruning done from fall through late winter will encourage the fullest blooming.
What Rose knows that no one else can know is the feeling of her child growing inside her. This smile, therefore, is the outward display of her feelings regarding her pregnancy. She feels both pleased and privy to special knowledge.