Rhododendron 'CORINNA'

Rhododendron 'CORINNA'
rhododendron
rhododendron
SIZE/TYPE | medium-sized shrub |
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USUAL HEIGHT | 0.5-0.8m |
USUAL WIDTH | 0.8-1.5m |
LEAVES | evergreen broadleaf |
COLOUR OF LEAVES |
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FLOWERS | showy |
COLOUR OF FLOWERS |
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BLOOMING TIME | May |
LOCATION | full sun to shade |
USDA zone (lowest) | 5b (down to -27°C) |
WINTER PROTECTION | |
FOR ZONE 5+6 |
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FOR ZONE 7 |
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BELONGS TO CATEGORIES |
Rhododendrons, azaleas, and mountain laurels Evergreen broadleaf |
Rhododendrons are reliable, beautifully flowering, evergreen shrubs of variable origin: S.W. China, Himalayas, Northern America, and even Europe. The original species were hybridized several times for better performance so in the 1950´s there were more than 10,000 cultivars registered, and the number keeps increasing.
Rhododendron Corinna, sometimes also listed as Hachmann's Corinna for accuracy, is a triple hybrid including e.g. r.repens, r.yakushimanum, and cv. Nova Zembla or Feuerschein in its ancestry. It was bred by Hans Hachmann in 1983. The typical wide-open funnel-shaped flowers are vibrant red, 6-8 cm across with dark dots on the upper petal, and come out from early May for 2-3 weeks. Everegreen leaves are leathery, broadly elliptic, rather short, slightly undulated, very dark green, and glossy. Corinna makes an elegant, compact shrub of cushion-like habit, growing some 70 cm tall and almost twice as wide.
For a better looking shrub dead-head where possible. The roots are shallow, spreading to sides in search for nutrients. Never plant them too deep. The soil has to be acidic (pH 4.5-5.5), rich in humus, cool and always moist. Ideal soil mixture is peat with lime-free, light garden soil topped with leave-mould. Very hardy to abt. -27°C (USDA zone 5b), possibly a little more.
Last update 04-12-2018
Rhododendron Corinna, sometimes also listed as Hachmann's Corinna for accuracy, is a triple hybrid including e.g. r.repens, r.yakushimanum, and cv. Nova Zembla or Feuerschein in its ancestry. It was bred by Hans Hachmann in 1983. The typical wide-open funnel-shaped flowers are vibrant red, 6-8 cm across with dark dots on the upper petal, and come out from early May for 2-3 weeks. Everegreen leaves are leathery, broadly elliptic, rather short, slightly undulated, very dark green, and glossy. Corinna makes an elegant, compact shrub of cushion-like habit, growing some 70 cm tall and almost twice as wide.
For a better looking shrub dead-head where possible. The roots are shallow, spreading to sides in search for nutrients. Never plant them too deep. The soil has to be acidic (pH 4.5-5.5), rich in humus, cool and always moist. Ideal soil mixture is peat with lime-free, light garden soil topped with leave-mould. Very hardy to abt. -27°C (USDA zone 5b), possibly a little more.
Last update 04-12-2018
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