- Weight: 1 lb
- Zone: 9
- Bloom Color: Purple/Lavender
- Bloom Season: Spring
- Usage: Flowering
- Ships: November Through April
- Height At Maturity: Under 10 Feet
- Exposure: Full Sun
- Categories: Shrubs
Purple Althea Hibiscus – Exotic, Majestic, and Alluring
It should have been if the word “showy” had not been coined to describe the exotic purple hibiscus. This tropical flower’s large curvaceous petals range in eye-catching hues from rose to lilac, plum, and deep royal purple. Many gardeners and decorators rate the purple hibiscus as being the most alluring of hibiscuses.
These flowers begin blooming in late June and continue showing off until the first frost. To ensure their colorful floral displays fully develop and mature attractively, these plants should be positioned to receive approximately six hours of sunlight per day. For optimal growth, they need to be rooted in the earth with a high percentage of organic content. Compost would comprise an excellent source for organic soil enrichment. The soil must drain quickly but should not be too loamy or thin. These flowering plants require a soil pH ranging from 6.1 to 7.8, or mildly acidic to mildly alkaline. Though tropical in origin, this variety of hibiscus does well in USDA Hardiness Zones 10a to 11.
Recently potted hibiscus plants of this variety need plenty of watering, preferably daily. However, after they’ve settled in and started showing growth, it is best to avoid soaking to prevent root rot. Expand your vivid violet hibiscus floral display in your garden or backyard through propagation through seeds or grafting. Cuttings root readily in water.
Purple Althea Hibiscus are also known as the Rose of Sharon
A closely related member of the Malvaceae family to the purple hibiscus is the “Rose of Sharon” or Hibiscus syriacus. According to legend, this deciduous shrub originated in Syria but is now considered native to East Asia in general. Today, the deciduous Rose of Sharon shrubs are cultivated in a wide variety of geographical regions worldwide for their flamboyant blossoms and can grow upright eight to ten feet tall and six to eight feet wide. Flowers of the many-stemmed Rose of Sharon, also known as althea shrubs, appear from June to September. The blossoms range in color from splashy pink to purple, magenta, or violet hues. You may prune these shrubs into shapes like trees or vases. They do well in hot weather but will survive in USDA Hardiness Zone 5. Precisely calibrated soil is not a critical factor in assuring excellent growth and flowering of althea shrubs. These shrubs are easily transplanted and can provide aesthetically pleasing garden borders and hedge-like backyard screens. In the spring, ensure optimal growth and blossoming by pinching back the stems and leaves that have deceased during the winter.
This colorful hibiscus variety’s majestic royal purple blossoms make for brilliant floral arrangements in combination with canary-yellow orchids or lemon-hued irises. Bouquets, including the royal purple variety of hibiscus, attractively complement weddings or black-tie events.
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