Overt hypothyroidism is defined as a clinical syndrome of hypothyroidism associated with elevated TSH and decreased serum levels of T 4 or T 3. The measurement of thyroid autoantibodies helps in diagnosing an autoimmune process. However, this test should be ordered only if it will influence the decision to treat.
The American Rhododendron Society measures the growth rates of numerous species and hybrids. Speed of growth is determined by calculating how tall a plant grows in 10 years. Many rhododendron plants grow from 3 to 4 feet in 10 years, but some can grow up to 7 feet in 10 years.Some of the fastest growing rhododendrons are the Brittenhill Bugle, R. genestierianum, Ilam Cream, Mother of Pearl, Professor Hugo de Vries, Spicy Nutmeg, and the Whidbey Island.picy Nutmeg. Spicy Nutmeg is a fragrant, fast-growing rhododendron that has funnel-shaped, 3 1/2-inch wide flowers with wavy lobes. The flowers are pale purplish-pink with reddish-purple rays and spotting in the flower's funnel throat.
Genus: Rhododendron. A Rhododendron bush, is a popular flowering bush and foundation plant, with bright spring blooms. They are native to tropical and temperate regions. While it is a bush, Rhododendron bushes can grow up to 80 feet tall! Rhododendrons are closely related to Azaleas.The biggest difference between the Rhododendron plant and an Azalea bush, and a Rhododendron is an evergreen bush.hododendrons are grown from seeds, cuttings or grafting. Most home gardeners do not start Rhododendrons from seed, as plant grown from seed takes 2-10 years to produce the first bloom. Most homeowners buy established Rhododendron plants while in full bloom from a garden store.