Rhododendron 'Konigstein' (Rhododendron 'Konigstein')
Other names: Evergreen azalea 'Konigstein', Rhododendron 'Königstein', Rhododendron 'King Stone', Rhododendron obtusum 'Königstein'
'Konigstein' is a compact, dense, mound-forming, evergreen shrub with small, oval to broadly lance-shaped, dark green leaves and rounded clusters of funnel-shaped, violet to purple-pink flowers in late spring and early summer.
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1m max. spread |
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0.6m max. height |
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10-20 years to maturity |
Rhododendron titapuriense (Rhododendron titapuriense)
R. titapuriense is an upright, borderline hardy, evergreen tree with broadly elliptic to ovate, veined, dark green leaves, felted reddish-brown beneath, and rounded clusters of bell-shaped, creamy-white flowers in spring.
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10m max. spread |
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20m max. height |
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10-20 years to maturity |
Rhododendron 'Silberwolke' (Rhododendron 'Silberwolke' )
Other names: Rhododendron 'Silver Cloud', Yakushimanum hybrid rhododendron 'Silberwolke'
'Silberwolke' is a dense, rounded, evergreen shrub with ovate to elliptic, dark green leaves and, in early to mid-spring, dense, spherical clusters of funnel-shaped, pink-flushed, green-spotted, white flowers in late spring.
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1m max. spread |
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1m max. height |
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10-20 years to maturity |
Rhododendron 'Estrella' (Rhododendron 'Estrella')
Other names: Evergreen azalea 'Estrella', Azalea japonica 'Estrella'
'Estrella' is a compact, mound-forming, evergreen shrub with small, narrowly ovate, glossy, dark green leaves, light green when young, and clusters of funnel-shaped, red to orange-red flowers in late spring and early summer.
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0.6m max. spread |
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0.6m max. height |
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10-20 years to maturity |
Rhododendron arizelum (Rhododendron arizelum)
Other names: Rhododendron rex subsp. arizelum, Rhododendron arizelum var rubicosum
R. arizelum is a large, upright, evergreen shrub or small tree with oblong to ovate, dark green leaves, brown-felted beneath, and rounded clusters of bell-shaped, lobed, red-spotted, pink, yellow, or white flowers in mid- to late spring.
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8m max. spread |
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8m max. height |
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10-20 years to maturity |
Rhododendron 'Tromba' (Rhododendron 'Tromba')
'Tromba' is a compact, mound-forming, evergreen shrub with ovate, leathery, semi-glossy, dark green leaves, flushed bronze when young, and spherical clusters of funnel-shaped, lightly frilled, reddish-pink flowers in mid- to late spring.
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1.2m max. spread |
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1m max. height |
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10-20 years to maturity |
Rhododendron 'Illusia' (Rhododendron 'Illusia')
'Illusia' is a rounded, evergreen shrub with elliptic to ovate, dark green leaves and, in early summer, spherical clusters of fragrant, funnel-shaped, white flowers, each with a golden-yellow upper petal.
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1.3m max. spread |
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1.3m max. height |
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10-20 years to maturity |
Rhododendron 'Humboldt' (Rhododendron 'Humboldt')
'Humboldt' is an upright to rounded, evergreen shrub with ovate to elliptic, dark green leaves and spherical clusters of maroon-marked, lavender flowers in late spring.
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1.5m max. spread |
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1.5m max. height |
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10-20 years to maturity |
Rhododendron 'Unique' (campylocarpum hybrid) (Rhododendron 'Unique')
'Unique' is a dense, rounded, evergreen shrub with ovate to oblong, thick, mid- to dark green leaves and, in mid-spring, pink buds opening to domed clusters of funnel-shaped, pink-flushed, creamy-white flowers with crimson spots.
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2.5m max. spread |
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2.5m max. height |
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10-20 years to maturity |
Rhododendron ungernii (Ungern's rhododendron)
R. ungernii is a large, upright, open, evergreen shrub with long, oblong to lance-shaped, dark green leaves, densely hairy beneath, and clusters of funnel- to bell-shaped, green-spotted, white to pale pink flowers in late spring and early summer.
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4m max. spread |
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6m max. height |
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10-20 years to maturity |
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