The foliage will naturally turn red in fall in this group of rhododendrons, but it is an evergreen meaning the leaves should stay on all winter. …
They may also naturally lose some leaves at the base as they grow
.
Is PJM an rhododendron evergreen?
PJM Group is a series of rhododendron hybrids that resulted from crosses between R. carolinianum and R. … These hybrids are compact, rounded, small-leaved,
evergreen shrubs
that generally grow to 3-6′ tall and are noted for having exceptional winter hardiness.
Do rhododendrons lose their leaves?
Normal: While we think of rhododendrons as evergreen,
they do drop leaves just as conifers periodically shed needles
. Some rhododendrons hold their leaves for a season, dropping the older leaves in spring, fall or both seasons. Other varieties can hold their leaves for three or even four seasons.
Do rhododendrons keep their leaves in winter?
Bursting with vibrant blooms in the spring and retaining their
leaves through the colder months
, rhododendrons are the perfect “evergreen” for your winter landscape.
Why are the leaves on my rhododendron falling off?
By the time you see rhododendrons with droopy leaves in summer drought, they are really under a lot of stress through
lack of water
. They need water fast, and they will pick up fast, but damage may have been done which will not show again for about 6 months when the plant starts to collapse.
How tall do PJM Rhododendrons get?
Size and form: A hybrid evergreen rhododendron reaching
3 to 6 feet high and wide
.
Can PJM Rhododendrons take full sun?
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. P.J.M.
What do yellow leaves on a rhododendron mean?
If your soil is alkaline, you’ve found one reason for rhododendron leaves turning yellow:
a mineral deficiency causing chlorosis
. These shrubs take up too much calcium and not enough iron in alkaline soils. Chlorosis is very likely when the yellowing is mostly between the veins of new leaves.
How long do rhododendron leaves last?
Leaf movement occurs rapidly and it is reversible as temperature warms. Rhododendrons and evergreen azaleas lose some of their leaves each year. Typically leaves are retained for
one to three years
dependent on the variety. Leaves may turn yellow, red, or purple before they fall off.
Should I cover my rhododendron?
This is best accomplished by
wrapping the plant in burlap
, or enclosing it in a burlap tent. This form of protection will keep the wind and sun off, but will not cut off air flow or trap heat, which can be harmful to the plant.
Do rhododendrons like full sun?
Plant in full sun
to increase flowers and avoid mildew problems. Shrubs need a minimum of 6 hours of full sun daily. Plant on the sheltered side of a windbreak. If subjected to cold, dry winds, their leaves and buds dry out and die.
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.
Are rhododendrons toxic to dogs?
While we can’t deny their beauty,
rhododendrons are considered highly toxic to dogs
. In fact, all it takes is a few curious nibbles of any part of the plant—leaves, stems, petals, or pollen—to land your pet in the emergency vet clinic. Sadly, if left untreated, rhododendron poisoning can be fatal in dogs.
Are coffee grounds good for rhododendron?
Fresh Coffee Grounds
for Acid-Loving Plants
Your acid-loving plants like hydrangeas, rhododendrons, azaleas, lily of the valley, blueberries, carrots, and radishes can get a boost from fresh grounds. … Don’t use coffee grounds on seedlings or very young plants, as caffeine can stunt their growth.
How do you know when a rhododendron is dying?
Scrape the branch slightly with a knife to see if there is any green colored layer under the bark
. If you do not see any green color, the branch is considered dead. Remove the dead branch with a pruning shear to encourage the shrub to grow. Removing the dead branch improves the look of the shrub tremendously.
