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AZALEA - DECIDUOUS
A botanical section within the genus Rhododendron.
They have smaller, thinner leaves than evergreen rhododendrons and are generally medium-sized shrubs with smaller flowers that usually have 5 stamens whereas rhododendrons have 10.
Further divided into subgroups they commonly bear a profusion of small to large trusses of funnel-shaped flowers, some pleasantly scented. Most provide foliage colour in reds, oranges and yellows before leaf-fall and they can be pruned to keep them in check.
Contains R. luteum, still known by the old name Azalea ponticum, possibly the most wonderfully scented of all but invasive and should be confined within the garden boundary.
DeciduousMedium-sized leaves 5-15cm (2-6in) long with good autumn colour.
Medium shrubTypically grow to around 4-6 feet in heightUpright, bushy habit. Produces funnel-shaped flowers 6cm (2½in) across from domed trusses.
Hardy - very cold winterHardy in all of UK and northern Europe. Plant can possibly withstand temperatures down to -20°C (-4°F)
Full sunTolerates full sun.
- Mature Size
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Additional FeaturesGood to knowExbury hybrid. Shallow planting is essential. Mulch annually with leafmould in early springPests & DiseasesSee header AZALEA - DECIDUOUSPlace of originGarden origin. UK. 1948. Rothschild Estate, Exbury, Hants.
(see photos above)
(see photos above)Ovate (see photos above)
Pruning groupPruning group 1Suitable for: Deciduous and evergreen trees, and some deciduous shrubs.
Pruning: Minimal pruning required. Prune wayward or crossing branches to maintain a healthy framework.
When: When dormant in the late winter/early spring. Some in the summer/autumn to prevent bleeding of sap.
RHS group 1
Soil ConditionsAcid / ericaceous lovingFertile moist well-drained soilLeafy, humus-rich.
Toxic - Category CHarmful if eaten(People & Pets)
Buy Varieties of AZALEA - DECIDUOUS
apricot-peach in colour and scented
compact habit, orange-yellow flowers
pink with golden yellow blotch
pale pink with yellow streaks. Richly scented
double pale yellow flowers flushed pink
salmon-pink with yellow flare
bright orange fragrant flowers
buds of rich crimson opening to soft pink hose-in-hose flowers. Scented. Good autumn colour
white, yellow flare and fragrant
fragrant, pale yellowish-white flushed pink with a yellow blotch
red buds open to bright orange flowers
masses of very fragrant small white flowers. Blue-green leaves
reddish-orange with orange-yellow veins
deep pink with paler shading
pale pink with a yellow blotch
scented pink flowers with orange blotch
brilliant orange-red flowers
dark red flowers with yellow anthers. Excellent autumn colour
small semi-double, yellow, very fragrant flowers
pale yellow, maturing to yellowish-white with a vivid yellow blotch. Some scent
pure white, yellow blotch
(Rhododendron luteum) - honeysuckle yellow, still the best scented deciduous azalea
delicate pink flushed white flowers with a sweet fragrance which carries
purplish-pink with an orange blotch
flesh-pink mottled deeper pink with a gold flare