
How tall do Rhododendron get?
Rhododendrons are a members of a very diverse, large group of plants. R. maximum can eventually form sprawling thickets up to 30 feet in height. R. elegans (a common attractive variety with lavender flowers) gets to a maximum of about 15 feet.
How tall do Rhododendrons grow?
These plants generally grow about 3 inches per year, reaching their maximum height of up to 36 inches in 10 years. Anyone who wants to grow a hedge for privacy will probably choose one of the more common varieties of Rhododendron which grow up to 6 feet in total height.
How to grow and care for Rhododendron?
Rhododendrons prefer well-draining, acidic soil and thrive in dappled shade with mild temperatures. To grow your own rhododendron, plant your shrub in mild weather and care for it regularly. As long as you give your plant plenty of attention, you can grow luscious, healthy rhododendrons!
Are there miniature rhododendrons?
There are a number of hundred dwarf rhododendrons which are appropriate for the smaller backyard. Those I’ve picked, all in my very own backyard, are sufficiently small for many plots. None will develop to greater than 1m excessive or broad in ten years. How Tall Does A Miniature Rhododendron Grow?
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How wide do rhododendrons grow?
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 much space do rhododendrons need?
2 to 6 feet apartSpace 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.
Are there different sizes of rhododendrons?
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).
Will rhododendron spread?
Rhododendrons grow in all sizes and shapes - from low growing ground covers, to medium-sized shrubs, to tree-size plants. Some varieties naturally have a rounded, ball-shaped plant habit, others are open and spreading, while other rhododendrons have an upright growth habit.
How far from house should you plant a rhododendron?
Medium shrubs like Rhododendrons, Azaleas, Spirea, Holly and Boxwood go 2.5-3′ from the side of the house.
How close to a house can you plant a rhododendron?
In the country or other open areas, Rhododendrons and Azaleas will usually thrive on either the north or east side of a house. If planting on the north side, place the plant three to four feet away from the foundation of your house. In this way, the plants will receive adequate light when the sun is high during summer.
Do rhododendrons grow quickly?
Rhododendrons have no ultimate size, they can carry on growing indefinitely. The key is the annual growth rate, up to 60cm per year for the most vigorous and less than 1cm for the slowest growing.
Where is the best place to plant a rhododendron?
Choose a site with dappled shade in sheltered conditions. Avoid deep shade beneath other trees. Most rhododendrons will tolerate a more open site if sheltered from cold, drying winds. Dwarf alpine species will tolerate full sun provided the soil does not dry out.
Do all rhododendrons get big?
The height of a rhododendron will depend on the species and variety, the location in which it is grown, growing conditions, and the age of the plant. Some rhododendrons grow for over a century and reach massive sizes in height and width. The largest recorded rhododendron height is over one hundred feet tall.
How long do rhododendrons take to mature?
Although rhododendron seeds are available, most gardeners don't grow them from seed as it typically takes about 2 to 10 years for their first blossoms to appear. Cultivating a rhododendron from a cutting is possible. However, that method also requires patience as growing roots can take as long as three to four months.
Do rhododendrons like sun or shade?
Traditional rhododendrons thrive in filtered sunlight and acidic soil. Newer varieties can tolerate a range of sunlight conditions, but always check the plant tag or description when shopping to make sure the plant needs match your garden conditions.
Do rhododendrons have deep or shallow roots?
Rhododendrons are native to areas with high rainfall, so they are naturally suited to moist soils. They are also shallow rooting so won't compete with nearby deeper rooted plants for moisture. Watering will be required during prolonged periods of hot, dry weather in late spring, summer and early autumn.
Can you plant 2 rhododendrons together?
Planting rhododendrons close together creates a mass planting, hedge or screen with bright spring colors. The best time to plant rhododendrons is in the fall so that the roots have enough time to become established before new spring growth.
Where is the best place to plant a rhododendron?
Choose a site with dappled shade in sheltered conditions. Avoid deep shade beneath other trees. Most rhododendrons will tolerate a more open site if sheltered from cold, drying winds. Dwarf alpine species will tolerate full sun provided the soil does not dry out.
What is the best time of year to plant rhododendrons?
When to plant:Mild climates: Can be planted year-round.Cold climates: Early spring planting is best, with early fall planting a good second choice.Hot climates: Fall planting allows the plant's root system to establish during the cooler months.
Do rhododendrons need sun or shade?
Traditional rhododendrons thrive in filtered sunlight and acidic soil. Newer varieties can tolerate a range of sunlight conditions, but always check the plant tag or description when shopping to make sure the plant needs match your garden conditions.
What color are rhododendrons?
Colorful Combinations. A classic shade garden plant, rhododendrons are prized for their glossy green foliage and showy clusters of blooms. Available in a wide variety of colors, the most common flowers are borne in ranges of purples and pinks as well as white and cream.
Where do rhododendrons grow?
Rhododendron Shrub. This family of plants contains an option for every landscape, from the giant rhododendrons of East Asian mountainsides to the rosebay rhododendrons native to Eastern U.S. woodlands. These often-broadleaf evergreen plants boast large clusters of showy blooms at their growing tips in spring.
How tall does Rhododendron poukhanense grow?
Rhododendron yedoense poukhanense bears lilac to deep-rose funnel-shaped flowers in spring. In fall, leaves change to a gold or reddish purple. It grows 6 feet tall and wide. Zones 5-9
How to keep rhododendrons happy?
You can amend the soils with peat moss, compost, and other soil acidifiers to keep them happy. Rhododendron also appreciates soil that has lots of organic material. This will keep the shrubs decently moist and prevent them from drying out—dry winters and late falls can be particularly fatal to rhododendrons.
How tall is Hydon Dawn?
Rhododendron 'Hydon Dawn' is one of the few rhododendrons that tolerates full sun. It has a low, compact habit to 5 feet tall and wide and bears clusters of small, clear pink flowers that fade to white. Zones 7-9.
How tall does an azalea get?
A deciduous type azalea, it features bright orange blooms in spring on naked stems before the foliage emerges. It tops out around 4-5 feet tall. Zones 3-7.
How tall does a cream fern grow?
It grows 2-3 feet tall and wide. Zones 6-9.
How many different types of rhododendrons are there?
There are eight different types of rhododendrons to choose from—some are tall like trees, others are more bush-like; some are evergreen, and others are deciduous.
Where to see rhododendrons in bloom?
The annual Heritage Museums & Gardens Rhododendrons Festival in Cape Cod is a great place to see many varieties in bloom. Enjoy peaceful walks surrounded by majestic flowers and participate in activities with horticulture experts.
What zone do azaleas grow in?
They prefer damp climates and mild temperatures, but there are rhododendron plants and azalea bushes suitable for Zones 4-9. With thousands of varieties available, there's one to suit just about every garden.
How many stamens does an azalea have?
Azaleas are actually a type of rhododendron, and while they are similar in shape to other rhododendrons, they can be differentiated by their hairy leaves and five stamens (instead of the usual ten). On this page: Basics | Planting | Care | Rhododendron & Azalea Pictures | Design Ideas | FAQ's | Where to See Rhododendrons & Azaleas. BASICS.
Why is my rhododendron not blooming?
Failure to bloom is often caused by one of the following two factors: Cold weather kills their flower buds, or they aren’t getting enough direct sun. Pick a rhododendron variety that has been proven hardy in your area and plant it in a location with an eastern or southern exposure.
When do azaleas bloom?
Peak bloom generally occurs in mid-spring; however, some azalea and rhododendron plants bloom as early as March and others as late as July. Reblooming varieties bloom in spring, then again in summer until frost.
Where is Rhododendron State Park?
Rhododendron State Park in Fitzwilliam, New Hampshire features a 16-acre grove of Rhododendron maximum, which has a soft pink, almost white, flower and is the only elepidote species native to New England. Visit in July when the fragrant clusters of pink blossoms burst into bloom-immerse yourself in their perfume by following a trail that encircles the grove.
How tall can rhododendrons grow?
Rhododendrons are a members of a very diverse, large group of plants. R. maximum can eventually form sprawling thickets up to 30 feet in height. R. elegans (a common attractive variety with lavender flowers) gets to a maximum of about 15 feet. I bought a house with elegans planted close to the foundation.
What is the smallest rhododendron?
And the smallest and likely most popular selling rhodie is a PJM rhododendron. They're not as big as the others and have gorgeous lavender/purple flowers, and a purply leaf color. They are really popular and sell out fast. Any plant that says "dwarf" means you have to prune it back.
Is Magnolia a deciduous plant?
The Magnolia is Sweet Bay and yes it is deciduous. This is what I am afford of because it would only be 10 from the foundation or basement wall.
What color are rhododendrons?
They come in a range of flower colors including pink, purple, red, white and yellow. Rhododendrons prefer climates with moderate rainfall and moist, temperate summers. They don't do well in hot climates because they need a certain amount of chilling to develop flower buds.
Which is bigger, a rhododendron or azalea?
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.
Why are rhododendrons and azaleas different?
Rhododendrons are often confused with their cousins, azaleas. That's because the two look a lot alike and need similar growing conditions. Even though rhododendrons and azaleas are often lumped together, they are two different plants.
What is the best rhododendron to edge a border?
It's a good choice to edge a border. 'Capistrano' is a compact, mounding rhody that grows 4 feet tall and wide and produces pale yellow flowers. 'Hydon Dawn' is one of the few rhododendrons that tolerates full sun. It's a compact, mounding plant that gets 5 feet wide and tall and produces pale pink flowers.
How many species of rhododendrons are there in the world?
There are more than 1,000 wild species and more than 14,000 hybrids. Rhododendrons grow in nearly every part of North America, from Canada to Alabama. There are two basic types, deciduous and evergreen. There are so many varieties of rhododendrons that there's a "rhody" for almost any landscape need.
Where do azaleas grow?
They grow best in the Pacific Northwest, the Northeast, the Upper South and Northern California. Azaleas thrive in the hotter, wetter conditions of the Deep South and Coastal South. For example, rhododendrons thrive in Portland and Seattle; azaleas thrive in New Orleans and Tallahassee.
How much sun do shrubs need?
Choose a spot that gets dappled shade. Avoid full sun or deep shade. Shrubs need six hours of sun daily. If you live in the warmer end of their growing zones, be sure you choose a site that gets afternoon shade.
Beautiful Blossoms
May is the prime time for rhododendron flowers where I live. The flower buds on the rhododendron bushes open, producing beautiful, showy blossoms and a gorgeous display of color. May, late April, and early June is a wonderful time of year for gardeners, photographers, and everyone else who loves the plants.
What Is a Rhododendron?
All rhododendron plants belong to the genus Rhododendron. The genus is the first part of the scientific name of a living thing. There is a huge variety of plants in the Rhododendron genus. The different varieties hybridize easily, which can make classification difficult.
What Is an Azalea?
It may seem strange referring to azaleas in an article about rhododendrons, but azaleas are actually a type of rhododendron. The genus Rhododendron is divided into eight subgroups, or subgenera. Azaleas belong to two of these subgenera.
Two Wild Species
Rhododendron macrophyllum grows in the Pacific Northwest region of North America. This region is usually defined as the province of British Columbia in Canada and the states of Washington and Oregon in the United States. The common name of Rhododendron macrophyllum is the Pacific, Western, or Coast Rhododendron.
Rhododendrons and Other Flowers in Nepal
Do not plant too deeply - all rhododendrons are surface-rooting and the roots should be just covered.
How to Grow Rhododendrons
Rhododendrons like a semi-shaded area with dappled sunlight. They will grow in an open area if the sun is not too hot, the soil is sufficiently moist, and there isn't too much exposure to wind. They don't do well in deep shade. The plant has shallow and fibrous roots that may be widespread.
Plant Care Tips
Because of their shallow roots, little or no cultivation should be done around rhododendrons.
What is a rhododendron?
This article has been viewed 29,895 times. Rhododendrons are ornamental shrubs with bell-shaped flowers and wide, evergreen leaves. They can be difficult plants to grow as they require specific conditions to flourish. Rhododendrons prefer well-draining, acidic soil and thrive in dappled shade with mild temperatures.
How to grow rhododendrons from cuttings?
1. Buy healthy rhododendron plants or cuttings. When visiting your plant nursery, choose rhododendrons that are a deep green, and avoid yellowing or wilted plants. You can also take stem cuttings from existing rhododendrons and plant them to grow a new plant.
How to protect rhododendrons from snow?
Rhododendron shrubs need protection from snowfall and cold weather. Wrap your rhododendron branches lightly in burlap and secure it with twine. Plan on wrapping your rhododendron in late autumn before the first frost.
How long does it take for a rhododendron to drain?
If the soil takes between 5-15 minutes to drain, it is suitable for rhododendrons. Pick acidic soil to grow your rhododendron in. The ideal acidity for your soil is 4.5-5.5 pH.
How to plant rhododendrons in the ground?
Set the rhododendron into the hole with its roots at soil level. Dig a hole twice as wide as the root ball and as deep. Set the plant into the soil, positioning it so its roots are approximately at soil level. Planting the rhododendron below soil level can cause root rot.
What is the best pH for rhododendrons?
Pick acidic soil to grow your rhododendron in. The ideal acidity for your soil is 4.5-5.5 pH. You can find the soil's pH level by buying a pH soil test kit from a nursery or getting it professionally tested.
Can rhododendrons be planted below soil level?
Planting the rhododendron below soil level can cause root rot.
What is a rhododendron?
This article has been viewed 29,425 times. Learn more... Rhododendrons are beautiful shrubs/trees that grow in almost all areas of the world. They are great for landscaping and produce beautiful flowers in the spring and summer.
Do rhododendrons have flowers?
Rhododendrons are known for their beautiful flowers, so you may want to see your plant with its flowers before you decide to take some away.
Do you need a chainsaw to cut rhododendrons?
Older and more established rhododendrons may need a chainsaw to cut through the large woody branches, especially toward the middle of the plant . Hand saws and pruning shears are helpful for smaller, less established branches, or when you are cutting less of the rhododendron.
Do you prune rhododendrons?
Pruning only the dead parts of your plant will also help promote a more natural, less landscaped look for your rhododendron.
Do rhododendrons have a uniform shape?
Rhododendrons will only conform to a shape to a certain extent. They have broad leaves and longer branches, so they may not ever look completely uniform.
Can rhododendrons survive pruning?
You should choose this method if your rhododendron is messy looking or overgrown and you want it to try growing again. Most species of rhododendrons will be able to survive this method of pruning, but a few cannot, so it is worth researching your specific type before using this method.
