General Plant Information (Edit)
Plant Habit: Shrub
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Water Preferences: Mesic
Soil pH Preferences: Strongly acid (5.1 – 5.5)
Minimum cold hardiness: Zone 5a -28.9 °C (-20 °F) to -26.1 °C (-15 °F)
Maximum recommended zone: Zone 8b
Plant Height: 4 - 6 feet
Plant Spread: 3 - 5 feet
Leaves: Evergreen
Flowers: Showy
Fragrant
Flower Color: Orange
Other: Broad, frilly lobed, vivid orange.
Bloom Size: 2"-3"
Flower Time: Spring
Late spring or early summer
Uses: Windbreak or Hedge
Cut Flower
Wildlife Attractant: Bees
Butterflies
Resistances: Deer Resistant
Rabbit Resistant
Propagation: Other methods: Cuttings: Tip
Layering
Other: Tissue Culture
Awards and Recognitions: RHS AGM

Image
Common names
  • Azalea
  • Rhododendron
  • Deciduous Azalea

Photo Gallery
Location: Southern Maine
Date: 2020-06-09
Dazzling orange in partial shade.
Location: Southern Maine
Date: 2018-06-08
Location: Laurel Ridge Trail, Nichols Arboretum, Ann Arbor
Date: 2023-05-25
'Gibraltar' has a very 'in your face' color.  In this shot, the p
Location: Laurel Ridge Trail, Nichols Arboretum, Ann Arbor
Date: 2023-05-25
Two overlapping plants of 'Gibraltar'
Location: Southern Maine
Date: 2020-06-12
Location: Laurel Ridge Trail, Nichols Arboretum, Ann Arbor
Date: 2023-05-25
The green of the foliage, especially under back lighting, provide
Location: In my garden in Oklahoma City
Date: 2018-05-01
Rhododendron 'Gibraltar' [Exbury Hybrid] Spring, 2018 008
Location: Mason, New Hampshire
Date: 2019-06-01
photo credit: Robert Duval
Location: My backyard in Allentown, PA
Date: 20 May 2016
Gibralter truss of flowers very near the ground on 20 May 2016.
Location: My backyard in Allentown, PA
Date: 14 May 2015
A shaft of early evening sunlight highlights some 'Gibraltar' tru
Location: In my garden in Oklahoma City
Date: 2019-04-29
Rhododendron 'Gibraltar' [Exbury Hybrid] Spring, 2018 009
Location: Mason, New Hampshire
Date: 2020-05-31
Photo credit: Robert Duval
Location: My backyard in Allentown, PA
Date: 13 May 2016
Gibralter truss buds pregnant with promise on 13 May 2016
Location: KALAMA WA 
Date: 2021-05-03
  • Uploaded by Joy
Location: In my garden in Oklahoma City
Date: April, 2018
Rhododendron 'Gibraltar' [Exbury Hybrid] Spring, 2018 001
Location: In a neighbor's garden in Oklahoma City
Date: Spring, 2005
Rhododendron 'Gibraltar' [Exbury Hybrid] Spring, 2018 005
Location: In my garden in Oklahoma City
Date: Spring, 2005
Rhododendron 'Gibraltar' [Exbury Hybrid] Spring, 2018 006
Location: In my garden in Oklahoma City
Date: Spring, 2005
Rhododendron 'Gibraltar' [Exbury Hybrid] Spring, 2018 007
Location: Mason, New Hampshire
Date: 2019-06-01
photo credit: Robert Duval

Photo courtesy of Singing Tree Gardens Nursery
  • Uploaded by Joy
Location: In my gardeb garden in Oklahoma City
Date: April, 2018
Rhododendron 'Gibraltar' [Exbury Hybrid] Spring, 2018 002
Location: In a neighbor's garden in Oklahoma City
Date: Spring, 2005
Rhododendron 'Gibraltar' [Exbury Hybrid] Spring, 2018 004
Location: Derwood, MD
Date: 09-May-2015
UL: Bud, UR: Starting to open, LL: Partially open, LR: Fully open
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