Medium shrubs like Rhododendrons, Azaleas, Spirea, Holly and Boxwood go 2.5-3′ from the side of the house. This rhododendron has a 2′ gap between the foliage and the side of the house. Large shrubs and small trees like Viburnum, Dogwood and Stewartia go a minimum of 6′ from the edge of the house and preferably 8′.
How big do purple rhododendrons get?
2 ft. tall
Rhododendron x ‘Purple Gem’ (H-1)
| Botanical Pronunciation | roh-doh-DEN-dron |
|---|---|
| Average Size at Maturity | Slowly reaches 2 ft. tall, 3 ft. wide. |
| Bloom Time | Mid-Spring |
Are rhododendrons bad for your garden?
Rhododendron will out-compete many native trees and shrubs and can harbour plant diseases. This leads to reduced biodiversity and can have additional negative implications for some rural livelihoods, for example if rhododendron, poisonous to mammals, invades grazing land.
Where does the purple gem rhododendron grow?
Purple Gem Rhododendron Shrubs are versatile and hardy plants that do well in a variety of environments but thrive in colder regions. They prefer rich, acidic, well-drained soil and require full to partial sun.
Where should you not plant rhododendrons?
Rhododendrons are shrubs of woodland edges, and they prefer a similar setting in the garden. They do best with part sun (preferably morning sun). They will grow in full shade if it is cast by trees whose limbs are 20 to 30 feet above the ground. Avoid siting rhododendrons where they’ll be exposed to harsh winter winds.
What side of the house should you plant rhododendron?
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.
What killed my rhododendron?
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.
How do you plant purple passion rhododendrons?
This shrub does best in full sun to partial shade. It requires an evenly moist well-drained soil for optimal growth, but will die in standing water. It is very fussy about its soil conditions and must have rich, acidic soils to ensure success, and is subject to chlorosis (yellowing) of the leaves in alkaline soils.
What’s wrong with rhododendron?
The most common specific fungal diseases that affect rhododendrons include; Bud blast (Seifertia azaleae) Powdery mildew (Erysiphe spp.) Petal blight (Ovulinia azaleae)
Do rhododendrons poison the soil?
As far as I understand it, Rhododendrons do not secrete anything that is poisonous or toxic. Nothing will grow beneath Rhododendrons, simply because of the dense shade they create. This will be especially true with groups of Rhododendrons which merge together, and create a dense shade cover over a wide area.
Is purple gem Rhododendron a perennial?
Rhododendrons (Rhododendron spp.) are evergreen perennial shrubs that produce elegant rose-like blooms each year. Preparation and proper planting provides the right environment for perennial growth and flowering.
What does a purple rhododendron look like?
Flowers are openly funnel-shaped with wavy edges & deep reddish-purple coloring at margins shading through purple to reddish-purple in center, with dark red spotting. Leaves are elliptic, flat, have acute apex & are olive green. Has a spreading, open habit.
What is an eleelepidote Rhododendron?
Elepidotes are large leaved rhododendrons. They are the type of shrub that most individuals would associate as being a rhododendron. They do not have scales located on the underside of the leaves. Plants tend to be very large in their maturity. Lepidote rhododendron have smaller leaves and are usually low growing or dwarfs.
Where do lepidote rhododendrons grow?
As a result, lepidote rhododendrons have adopted and spread to nearly all environments, from tropical jungles and Siberian woodlands to mountain meadows and alpine tundra. Because of this wide tolerance of soils, temperatures and exposures, they are especially useful to gardeners in the Northeast United States.
Is there such a thing as pure blue rhododendrons?
100% pure blue does not exist in the ‘Rhodoworld’. Yet there are rhodo-hybrids, which come quite near to it, especcially the group lepidote (small-leaved) hybrids in the list right below. And in the elepidote (= large leaved) rhododendrons there are many hybrids called ‘Blue-this’ or ‘Blue-that’ which are at their best purple\\lilac\\blue.
What exactly is a lepidote?
A nurseryman may tell you casually that it refers to the small-leaved evergreen rhododendron. This can be used as a generality…but not as a hard and fast rule…as there is a fair amount of overlap between lepidotes and the “large-leaved” elepidotes.