See more ideas about rhododendron, rhododendron plant, azaleas. Low Maintenance Genus Rhododendron can be evergreen or deciduous shrubs or trees, with simple leaves, sometimes with a dense colourful indumentum of hairs on the lower side, and funnel-shaped, bell-shaped or tubular flowers that may be solitary or in short racemes This 1947 introduction requires good soil drainage. Very free flowering in April-May. Rhododendron ambiguum 'Jane Banks' Clear primrose yellow flowers with greenish spots on the upper lobes in April - May. Rhododendron augustinii 'Electra': the camera has failed to catch the beautiful blue of this amazing clone, and most detail of the flowers is gone too. Syn. Mauve-Blue flowers of Rhododendron Augustinii 'Electra' AGM. rubrum. Rhododendron augustinii ssp. Join $35.00. Color on the same plant may vary from year to year (Greer, 1996, p. 23). Flowers range from white to deep violet blue, usually with a yellow-green or brownish blotch on upper lobes, about 4-5 cm across, 2-6 flowers per cluster. Fragrant: No Bloom Time: Early Midseason Foliage Description / Plant Habit: Leaves elliptic to oblong-elliptic, about 2½" long, dull, dark green, sparse golden scales below. CPN (Certified Plant Nerd)Patrick.Breen@oregonstate.edu, College of Agricultural Sciences - Department of Horticulture, USDA Hardiness Zone Maps of the United States, Oregon Master Gardener Training: Identifying Woody Plants. Rhododendron 'Saint Tudy' Rhododendron oreodoxa var. Rhododendron ‘Ilam Violet’ (R. augustinii ‘Electra Group’ x R. russatum) – This rhododendron makes up for its smaller April to May trusses with intense deep violet-blue flowers that really catch the eye. RHS members can get exclusive individual advice from the RHS Gardening Advice team. Plant database entry for Blue Rhododendron (Rhododendron augustinii 'Electra') with one image and 11 data details. Rhododendron augustinii ssp. 1.5-2.5 metres, Time to ultimate height rhododendron 'Electra', Synonyms View gallery. 'Electra' Flowers 2 {1/2} in. augustinii Electra is one of the most popular clones from augustinii. Search by plant name, key attributes or both to find plant details and a list of The large flowers are as close to … Broadleaf evergreen shrub, 6 ft (1.8 m), compact, upright, can become narrow and tall. May be affected by various Rhododendron diseases including powdery mildews, rhododendron petal blight, rhododendron bud blast, silver leaf and honey fungus. auriculatum. I løbet af sin tid i Kina beskrev han store mængder helt forskellige planter i optegnelser, samt indsamlede frø og planter til … Rhododendron Purple Rhododendron. Predominant Flower Color: Lavender Flower/Truss Description: Flower violet blue, paler in throat, with a narrow ray of olive green markings on a white ground. RHS Garden Hyde Hall Spring and Orchid Show, Free entry to RHS members at selected Fragrant: No Bloom Time: Early Midseason to Midseason Foliage Description: Leaves narrowly elliptic to lanceolate, up to 4 " long, with hairs along veins. Ericaceae, Genus Propagate by semi-ripe cuttings in late summer, layering in autumn or grafting in late summer or late winter, Suggested planting locations and garden types Vulcan's Flame. augustinii ‘Cerulean Mist’ An RSBG selection. Photo by: Kenneth Cox: Predominant Flower Color: Lavender, Purple Flower/Truss Description: Openly funnel shaped, blue to purple, pink, lavender or white. Rhododendron Species, Blue Rhododendron Rhododendron augustinii. It has interesting small leaves usually with hairs on the midrib on the underside with young growth often reddish bronze. It is included in an evolving list of plants carefully researched and chosen by RHS experts. Try an advanced search, RHS Registered Charity no. If you select any attributes with or without a plant name, you will see a much narrower selection of results taken only from the old RHS Plant Selector database. vol 72, no. viscosum RSF 76/288. fargesii at the Bowood Estate in Wiltshire. Rhododendron oreodoxa var. Rhododendron 'Electra', Family A magnificent shrub in flower, grow in moist but well-drained, leafy, humus-rich acid soil in part shade with shelter, suitable for full sun if soil remains reliably moist; see rhododendron cultivation, Propagation Winning an Award of Merit in 1940, the shrub has leaves that are narrow and only about 2.5" long which when new have a bronze cast. Very free flowering in April-May. Ideal for rock gardens and under-story plantings. $45.00. Sheltered, dapple shade. The thin dark green leaves also turn a bronze colour during the colder winter weather. $65.00. Leaves oblong-lanceolate 4-10 cm long, 1.3-2.5 cm wide, tapering to a fine point, dark green above, underside densely scaly (feels fuzzy), especially the mid-rib, petiole pubescent. Best in a little shade. Quantity . wide, violet-blue, with a yellow-green flare, in trusses of up to seven. × New and Unread Tree-Mails. Rhododendron augustinii ssp. Divided into 3 groups these lists, linked below, are maintained by a team of RHS staff and are reviewed annually. 222879/SC038262, If you enter just a plant name, you will see results from the old RHS Plant Finder and Selector databases. Browse pictures and read growth / cultivation information about Rhododendron, Blue Rhododendron (Rhododendron augustinii) 'Electra' supplied by member gardeners in the PlantFiles database at … 1. The Royal Horticultural Society is the UK’s leading gardening charity. Minimum temperature ranges (in degrees C) are shown in brackets, Aspect South-facing or West-facing or East-facing, Ultimate height A beautiful upright shrub, with large deep blue-purple flowers. Its Electra Group has gained the Royal Horticultural Society's Award of Garden Merit. Family Ericaceae . Others which have on occasion reportedly shown some tolerance to soil pH levels above pH 6.0, usually regarded as the upper limit of alkaline tolerance of rhododendrons, are: R. augustinii (Electra Group) 'Electra' AGM R. ciliatum R. hippophaeoides R. 'Praecox' AGM R. triflorum (and others in the Triflorum series) R. williamsianum AGM Team of RHS staff and are reviewed annually large flowers your Garden and assessment programme hard to increase number! And Selector databases of pollinating insects our Botanical team are working hard to the... Of the best blues with large flowers are as close to … Scented rhododendrons suitable for rhododendron augustinii 'electra or greenhouse! 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