How many varieties of rhododendrons are there

There are about 1000 species of Rhododendrons, ranging from small shrubs to tall trees. We set out the main types plus the most common varieties. The name Rhododendron has been derived from the Greek words, rodon which means rose and dendron which means tree.

What is the prettiest rhododendron?

With some of the prettiest flowers, Rhododendron ‘Ken Janeck’ is a broadleaf evergreen rhododendron which, in mid spring, displays abundant clusters of about 13 to 17 soft pink trumpet-shaped flowers.

What is the largest variety of rhododendron?

Great-laurel or rosebay rhododendron is a loose, open, broadleaf evergreen with multiple-trunks, upright branching, and the largest leaves of all native rhododendrons. The plant grows 4-15 ft. in the north, but can grow 30 ft. high in favorable sites.

How do I know what kind of rhododendron I have?

Examine the blossoms of your rhododendron. Rhododendron flowers vary in color and size, as well as the number of blooms in a cluster. While rhododendron galactinum has white or pink blossoms that grow in clusters of about nine blossoms, rhododendron Capistrano has yellow blossoms in clusters of 15.

What's the best rhododendron?

  • The Mighty Rhododendron. …
  • Rhododendron ‘Elviira’ …
  • Rhododendron ‘Blue Peter’ …
  • Rhododendron ‘Boule de Neige’ …
  • Rhododendron ‘Bow Bells’ …
  • Rhododendron ‘Windsong’

What are the hardiest rhododendrons?

In the 1980s, a series called Northern Lights was introduced. These are the hardiest rhododendrons ever found or produced. They can withstand temperatures in zone 4 and even possibly zone 3. The series are hybrids and crosses of Rhododendron x kosteranum and Rhododendron prinophyllum.

What is the fastest growing rhododendrons?

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.

Is there a dwarf Rhododendron?

Rhododendrons have no final size and can grow almost indefinitely. They range from dwarf, ground-hugging varieties which may reach 16 in.in 10 years (40 cm) to giant tree-like specimens as tall as 20 ft. or more (6 m). Both moisture and the length of the growing season will have a serious impact on their growth rate.

Will Rhododendron grow in full shade?

Rhododendrons will grow nicely in full sun to moderate shade. A few Rhododendron varieties such as ‘Caroline’, ‘Scintillation’, Yakushimanum hybrids, ‘Hong Kong’ and the hardy varieties from Finland must have some shade in midday or the foliage will yellow or even burn – especially during a hot summer.

What is the darkest red rhododendron?

Ever Red. The absolute darkest red-purple leaved rhododendron to date with leaves so dark they sometimes appear almost black. This smaller, low growing plant is said to be a shy bloomer, but when it does, the flowers are deep red. Blooms early spring & reaches roughly 2 feet tall.

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How can you tell the difference between a mountain laurel and a rhododendron?

Mountain laurel’s are smooth and a paler shade of green than their top side. While Rhododendron’s leaves are also a paler shade of green on the underside, in addition, they are covered in a brown fuzz. Another difference is the curling direction for the edges of the leaves.

What is a small species of rhododendron?

Tough alpine Rhododendrons for the front of borders which mainly flower in April. These are mainly alpine varieties of rhododendron, and range from tiny gems such as Rhododendron keiskei ‘Yaku Fairy‘, to larger growers up to heights of around 80 cm after 10 years.

How tall does a rhododendron bush get?

They usually grow from 3 to 8 feet tall and wide. For this story, rhododendrons refers to those plants with large, evergreen leaves up to 6 inches long. They get bigger than azaleas, 8 to 12 feet tall and wide (although I’ve seen our native Catawba rhododendrons towering 30 feet tall in the North Carolina mountains).

How big is a 5 gallon rhododendron?

Product Dimensions32 x 8 x 8 inchesItem Weight10 poundsManufacturerHybridASINB00Y7B12NMItem model numberBesse Howells

How high does a rhododendron grow?

They are acid-loving shrubs, generally growing well in partial or dappled shade and combining well with the likes of Pieris ‘Forest Flame’ and Euphorbia ‘Tasmanian Tiger’. There are a huge range of rhododendrons with over 900 varieties spanning low growing ground cover plants to specimens that can reach 6 metres tall.

What can I plant next to rhododendrons?

Among the most popular companion plants for Rhododendrons and Azaleas are Kalmia latifolia (Mountain Laurel) and Pieris japonica (Japanese andromeda). Both species are medium-size evergreen shrubs with great flower interest and they provide a textural contrast to Azaleas and Rhododendrons.

What is a hybrid rhododendron?

hybrid rhododendron Ravishing rounded trusses of pale-pink, funnel-shaped flowers with a deep red flare in late spring and early summer and glossy, dark green leaves. The flowers of this bushy, evergreen rhododendron gradually fade to light pink.

How many colors of rhododendrons are there?

Leaf sizes range from less than 1/4 inch to almost three feet long, and they also appear in a variety of shapes: rounded, lance-shaped, and elliptical. The flowers may be white, red, pink, yellow, almost blue, purple, magenta, orange, and shades and mixtures of most of these colors.

How much space does a rhododendron need?

Space plants 2 to 6 feet apart, depending on their estimated mature size. Dig a hole as deep as the root ball and 2 times as wide. Set new plants so that their top roots are at soil level or slightly below. If you plant them any deeper, the roots may rot.

How do you speed up rhododendrons?

For example, you’ll want to make sure that their soil is moist enough, which means regularly watering it, even if you do live in a humid, moist climate. While you don’t want to drown these plants, providing them with enough moisture is essential for making sure that they not only grow faster, but that they grow at all.

How much does a rhododendron bush cost?

RHODODENDRONS(S)1 gallon$11.95$12.952 gallon$16.95$17.953 gallon$18.95$19.954 gallon$21.95$23.95

Why is Rhododendron bad?

Its leaves are poisonous to animals. Its foliage is so thick that nothing can grow underneath. In 2014, two experienced hillwalkers had to be rescued when they became trapped in an “impenetrable forest” of rhododendrons.

Do rhododendron make good hedges?

The plants, which are hardy in USDA Zones 5-9, hold their leathery leaves throughout the winter. They’re also deer resistant and take part sun to sun. They grow from 48 to 96 inches tall and wide and make good hedges, border plants or specimen plants.

What growing zone do rhododendrons like?

In fact, most rhododendrons thrive in USDA hardiness zones 4 to 8. If you are pining for azaleas, you’ll have to be a little more selective. Some thrive down to zone 3, but many don’t grow well in such cold regions.

What time of year should you plant rhododendrons?

In mild climates rhododendrons and azaleas can be planted almost any time of the year with reasonable success. In colder areas, early spring planting is recommended, with early fall planting being a second choice.

Why do my rhododendrons keep dying?

Rhododendrons and azaleas are susceptible to a fungal wilt disease called Phytophthora root rot. The Phytophthora fungus enters the roots of the plant from infested soil and clogs the water-conducting vessels of the plant. Symptoms include poor growth, rolling of leaves, and the eventual death of the plant.

Where do rhododendrons grow best?

Rhododendrons tend to be larger shrubs than azaleas, and they have larger blooms and leaves. Rhododendrons are more cold-hardy than azaleas and they’re fussier, preferring climates that are neither too hot nor too cold. They grow best in the Pacific Northwest, the Northeast, the Upper South and Northern California.

What is the shortest rhododendron?

Botanical Pronunciationroh-doh-DEN-dron im-ped-EYE-tumAverage Size at MaturitySlow growing; reaches only 1 ft. tall, 1 to 2 ft. wide.Bloom TimeLate Spring

Can you prune a rhododendron to keep it small?

Follow the branch down to the last whorl of leaves you want to keep and cut just above those leaves, about 1/4 inch (6 mm.) … Large, overgrown rhododendrons can be cut 12 to 15 inches (31-38 cm.) from the ground when necessary. Rhododendrons often have three or more main branches rising from the crown of the plant.

Are there purple rhododendrons?

Dwarf Purple Rhododendron is a compact slow-growing flowering evergreen shrub in with spectacular purple flowers that cover the plant in the spring. It has tiny leathery gray-green leaves that provide year-round interest.

What is a pink rhododendron?

Pink Pearl Rhododendron. rho-do-DEN-dron. Broadleaf evergreen shrub, 6 ft (1.8 m), an “estate rhody”, good growth habit. Leaves alternate, simple, heavy textured, glossy medium green, 15 x 5 cm.

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