Rhododendron 'KARL NAUE' rhododendron
size/type
medium-sized shrub,taller shrub
usual height
1,5-2,5m
usual width
1-1,5m
leaves
evergreen broadleaf
colour of leaves
flowers
showy
colour of flowers
blooming time
May-June
location
full to partial sun
soil type
acidic (peaty)
soil moisture requirements
evenly moist but well-drained
USDA zone (lowest)
5b (down to -27°C)
winter protection
for zone 5+6
for zone 7
categorized
Rhododendron
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.Description of the plant:
Large-flowered rhododendron hybrid Karl Naue was bred by Hans Hachmann in 1994, and 11 years later his son Holger introduced it to the market. He named it to honour the 71st birthday of the head of the German nursery Dittersdorf Baumschulen, which Karl Naue founded in 1960 and where he devoted much of his time to rhododendrons. This variety is very popular thanks to red flowers, which glare from a distance. They are 6-7.5 cm wide, a rather cold tone of deep crimson red, and the upper lip is decorated with dark burgundy freckles. Another interesting feature are the white stamens and stigma which rise out of the funnel and upwards in a very orderly manner. It blooms from mid-May for 2-3 weeks. The evergreen leaves are dark green, elongated, matte. The plant grows fast into an upright and tall shrub about two and a half meters high and slightly less wide.For a better-looking plant deadhead where possible. The roots are shallow, spreading to sides in search for nutrients. Never plant them too deep. The soil must 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 leaf-mould. It is hardy to abt. -26°C (USDA zone 5b) and may withstand a few degrees lower (more trials pending).
Last update 23-01-2024
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GLOSSARY
- STANDARD QUALITY - Plants of this group are 1st class quality with number of branches and overall density adequate to their size and age, considering they were container grown.
- DE LUXE QUALITY - This label guarantees a luxurious quality of manually selected plants that, compared to their height and age, are exceptionally dense and beautiful.
- EXTRA - These plants are usually mature and bigger specimens with exceptional overall appearance.
- STANDARD (as described in the plant form) means a tree with a trunk of 190-210 cm and a crown at the top, unless specified differently. The commercial size for trees is their girth measured in the height of 1m from ground.
- HOBBY - These plants are of the same quality as our standard-quality plants but younger and therefore cheaper.
- SHRUB - a woody plant with branches growing bushy from the ground level.
- HALF-STANDARD or MINI-STANDARD - a small tree with shorter trunk, its size is usually specified.
- FEATHERED - These are trees with branches growing already from the base of the trunk and up along the stem.
- GRASSES and PERENNIALS - Sizes given usually read the diameter of the pot or the clump, as specified.
