Which is easier to grow azaleas and rhododendrons
Matthew Martinez
Updated on April 17, 2026
Believe it or not, Rhododendrons and Azaleas are quite easy to grow and it only takes a few things to make them happy. There’s a fundamental secret about growing Rhododendrons in your yard or your landscape that cannot be overlooked and it cannot be stated strongly enough.
Are rhododendrons easier to grow than azaleas?
Believe it or not, Rhododendrons and Azaleas are quite easy to grow and it only takes a few things to make them happy. There’s a fundamental secret about growing Rhododendrons in your yard or your landscape that cannot be overlooked and it cannot be stated strongly enough.
Are azaleas hardier than rhododendrons?
Deciduous Azaleas, Evergreen Azaleas, Lepidote Rhododendrons, Elepidote Rhododendrons. … Among them are some Iron-clads hybrids, which are regarded as the hardiest Rhododendrons and can tolerate open sites in sun (provided their roots remain moist).
What is the difference between azalea and rhododendron?
Azaleas are small to medium sized shrubs with many, smaller stems whilst rhododendrons tend to be larger plants with fewer stout stems. Everything about rhododendrons is on a more grand scale, with bigger flowers and foliage than azaleas.What blooms first azalea or rhododendron?
Azaleas flowers are generally smaller and bloom earlier than rhododendrons. Both azaleas and rhododendrons bloom in spring or early summer, and “Encore Azaleas” bloom in early spring and again in summer.
Are azaleas easy to grow?
Despite a reputation for being finicky, these spectacular shrubs are easy to grow once you understand their basics needs. By choosing the right azaleas for your home and caring for them properly, you can grow gorgeous azaleas of your very own.
What is the easiest rhododendron to grow?
Easiest to Grow – Rhododendron catawbiense.
Where should I plant azaleas?
Where to Plant Azaleas. Select a location that has morning sun and afternoon shade, or filtered light. Hot all-day sun can stress the plants and make them more susceptible to pests. Azaleas also require well-drained, acidic soil.Are hydrangea and rhododendron the same?
Depending on cultivar and season, you can find rhododendrons sporting flowers in hues from bright orange red, deep red, purple, yellow, cream or gold-orange among their large green leaves. … Hydrangea flowers grow in ball-shaped clusters of blue or pink blooms.
Can I plant hydrangeas with azaleas?Shrubs To Plant With Hydrangeas Azaleas, hollies, yews, mahonia, gardenia, loropetalum and boxwood shrubs will look good planted in front of hydrangeas. Azaleas blossoms will provide early color. You can select your favorite blossom color since the azalea blooms will have faded before your hydrangea is flowering.
Article first time published onIs it hard to grow rhododendron?
Rhododendrons need moist, acid, loose, well-drained soil that contains a good bit of organic matter. This is why they’re hard to grow here. Most Southerners have either acid, clay soil or alkaline, clay soil. Rhododendrons hate both, because clay drains slowly and roots rot.
How fast does rhododendron grow?
Some Rhododendrons will experience a fast growth rate (2 ft. per or 60 cm) while others will slowly grow less than 0.5 in. per year (1cm). If you choose plants that are the right size to begin with, they are relatively maintenance free.
Does rhododendron need full sun?
Unlike many blooming plants, rhododendron does not like full morning sun in winter and does best when planted in dappled shade on the north side of a building. Growing rhododendrons are happiest in a location protected from the wind and not under eves of a building.
Are rhododendrons poisonous to dogs?
All parts of the rhododendron plant are toxic for dogs. Symptoms include gastrointestinal upset followed by weakness, paralysis, and abnormal heart rhythms. Large doses can be fatal.
When can I plant azaleas?
The best time to plant azaleas is in spring and fall. Plant them in a sunny spot that gets a good amount of afternoon shade. When planting azaleas, fill the hole with a 50/50 blend of existing soil and Miracle-Gro® Garden Soil for Trees & Shrubs. Once planted, gently tamp the soil and water thoroughly.
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 is the fastest growing azalea?
Southern Indian hybrids grow very rapidly. The group of evergreen azaleas known as kurume hybrids are dwarf-sized plants that grow quickly, though not as fast as Southern Indian hybrids, reaching a final height of anywhere from 2 to 6 feet depending on the cultivar.
Are rhododendrons good for privacy?
Rhododendron are evergreen, which means they provide great screening year round. They do extremely well on a property line to provide privacy. Around your house you need to pick a smaller shrub, and too often homeowners (or builders) pick a variety that simply gets too big!
What type of plant is a rhododendron considered?
Rhododendron is a genus of shrubs and small to (rarely) large trees, the smallest species growing to 10–100 cm (4–40 in) tall, and the largest, R.
Are azaleas a shade plant?
Azaleas do well in full sun or part shade (about four hours of sun). Planted in full sun, azaleas will be more compact and floriferous. When planted in part shade, they will stretch toward the sunlight and form a more graceful habit; flowers will not be as plentiful but will last longer.
What zone is rhododendron?
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.
How do you keep azaleas blooming?
- Ensure the plants are getting enough sunlight.
- Deadhead spent blooms each year.
- Fertilize after blooming using a balanced fertilizer.
- Apply a layer of mulch and provide sufficient moisture to the plants.
- Protect the plants during harsh winters.
Do azaleas come back every year?
Do azaleas grow back every year? The Encore series of azaleas grows back every year in the fall and spring. Other series’ of azaleas do not grow back every year, unless you prune them before mid-summer.
How much space do azaleas need?
These plants do best when spaced at least 2 to 5 feet apart depending on their mature size. They can grow to different heights and width as follows: Plants under 3 feet tall – space the plants at least 2 feet apart. Plants that can grow up to 3 to 5 feet tall – Leave at least 2 to 3 feet between each plant.
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.
Can you plant rhododendrons and hydrangeas together?
Hydrangeas grow well in moist, shaded areas away from the wind and do well in acidic soil. … When grown as companions for rhododendrons in acidic soil, the blooms are blue, but they turn pink if grown in alkaline soil.
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.
Is an azalea a perennial or annual?
Azaleas are neither perennials or annuals. They are shrubs with woody branches that last from year to year. Some azaleas, however, are not cold-hardy and will freeze below 25 degrees F and are treated as single-season plants like annuals. Annuals are plants that sprout, flower, set seed and die within a year.
Can you plant azaleas in the ground?
Azaleas are shallow-rooted plants, so make sure the rootball sits just below the surface. Dig a hole that’s wider than it’s deep and back fill with leaf mould and peat-free ericaceous compost. Water well. Mulch azaleas annually with an acidic mix of leaf mould, peat-free ericaceous compost or conifer bark chippings.
What can I plant near a rhododendron?
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 pairs well with azaleas?
Partner azaleas in the garden with woodland perennials such as ferns, wild ginger (Asarum), Solomon’s seal (Polygonatum), hosta (Hosta), toad lily (Tricyrtis), and many others. Combine azaleas with other flowering shrubs.