Rhododendron Gibraltar

Setting the garden ablaze, multiple award-winning Rhododendron ‘Gibraltar’ is a medium-sized deciduous azalea that produces incredibly eye-catching ball-shaped trusses of 10 to 12 flowers.

Setting the garden ablaze, multiple award-winning Rhododendron 'Gibraltar' is a medium-sized deciduous azalea that produces incredibly eye-catching ball-shaped trusses of 10 to 12 flowers. Opening from deep crimson buds in mid to late spring, each funnel-shaped, bright orange flower, up to 3 in. wide (7 cm), is elegantly frilled and flushed red-orange with a gold tinge. Slightly fragrant, they blanket this midseason Knaphill hybrid in an exceptional floral display and contrast nicely with the handsome foliage of narrow green leaves which do not develop any appreciable fall color. Raised and introduced by Edmund de Rothschild, 'Gibraltar' is an extremely hardy selection that is also extraordinarily mildew resistant. 

  • Grows with an open habit, up to 4-5 ft. tall and wide (120-150 cm)
  • Recipient of the prestigious Award of Garden Merit of the Royal Horticultural Society and winner of the Rhododendron of the Year Award of the American Rhododendron Society for the Mid-Atlantic, North East, North West, Great Lakes, South Central, South East, and South West regions.
  • A full sun to part shade lover, this plant is easily grown in moist, acidic, humusywell-drained soils. Plant shallowly. Protect from frost to prevent damage to flowers. Mulch annually with leaf mold to retain moisture, control weeds, and cool the soil.
  • Perfect for borders, as a flowering hedge or privacy screen, and for containers. Great for small gardens!
  • Attracts butterflies, hummingbirds, and birds
  • Excellent mildew resistance
  • Removing spent flowers promotes new growth
  • All parts of the plant are poisonous if ingested.
  • Toxic to dogs, toxic to cats, toxic to horses.

Requirements

Hardiness 5
– 8

Heat Zones 1
– 8

Climate Zones 3A, 3B, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17
Plant Type Shrubs
Plant Family Azaleas – Rhododendrons, Rhododendrons – Azaleas
Exposure Full Sun, Partial Sun
Season of Interest Spring (Mid,Late)
Height 4'
– 5'
(120cm
– 150cm)
Spread 4'
– 5'
(120cm
– 150cm)
Spacing 48″
– 60″
(120cm
– 150cm)
Water Needs Average
Maintenance Low
Soil Type Clay, Loam, Sand
Soil pH Acid
Soil Drainage Moist but Well-Drained
Characteristics Fragrant, Plant of Merit, Showy
Attracts Butterflies, Hummingbirds
Garden Uses Beds and Borders, Hedges and Screens, Patio and Containers, Small Gardens
Garden Styles City and Courtyard, Informal and Cottage, Traditional Garden