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Burncoose Nurseries - part of the Caerhays Estate
Nursery & Gardens open: Mon - Sat 08.30 - 16.30 & Sun 10:00 - 16:00
Pop up café: Open Thursday-Saturday 10.30 - 14.30 & Sunday 11.00 - 15.00( weather permitting )
Dear Customers. Please be advised that Thursday 18th of December is the last order date for guaranteed delivery before Christmas. Our hard working despatch teams finish on Friday.

The Nursery will be open as normal during the Christmas period, except Bank Holidays, and will be closing at 1.30pm on Christmas Eve and New Year's Eve.

Thank you to all our customers old and new for their valued support this year.
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  • RHODODENDRON 'Horizon Monarch'
    RHODODENDRON 'Horizon Monarch'
    © Burncoose Nurseries, all pictures for illustrative purposes only.
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    RHODODENDRON 'Horizon Monarch'  RHODODENDRON 'Horizon Monarch'  RHODODENDRON 'Horizon Monarch'  RHODODENDRON 'Horizon Monarch'  ACER palmatum 'Atropurpureum' and RHODODENDRON 'Horizon Monarch'
© Burncoose Nurseries, all pictures for illustrative purposes only. MAGNOLIA sargentiana var robusta and RHODODENDRON
© Burncoose Nurseries, all pictures for illustrative purposes only. RHODODENDRON 'Horizon Monarch' and RHODODENDRON 'Lemon Meringue'
© Burncoose Nurseries, all pictures for illustrative purposes only. RHODODENDRON 'Horizon Monarch' and RHODODENDRON 'Lem's Cameo'
© Burncoose Nurseries, all pictures for illustrative purposes only.
    >

    RHODODENDRON 'Horizon Monarch'

     AWARD
    Red in bud opening yellow with small red flares
     
    Full Plant Details - Sun/Soil & other attributes
    • Flowering
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      Jan
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      Feb
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      Mar
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      Apr
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      May
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      Jun
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      Jul
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      Aug
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      Sep
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      Oct
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      Nov
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      Dec
    • Burncoose speciality
      See Burncoose Speciality group for more details
    • Good to know
      Shallow planting essential
    • Pests & Diseases
      Vine weevils, scale insects, powdery mildew, bud blast, honey fungus
    • Place of origin
      Garden origin. USA. EC Brockenbrough, Seattle
    • Rhododendrons
    • Rhododendron
    • Evergreen
      Leathery, elliptic, dark green leaves to 18cm (7in) long.
    • Yellow
      Red in bud opening pale yellow
    • Frost hardy (down to -5)
    • Entire
    • Oblanceolate
    • Height
      2m (6½ft)
    • Spread
      2m (6½ft)
    • Medium shrub
      Typically grow to around 4-6 feet in height
      Spreading habit. Produces openly funnel-shaped flowers to 10cm (4in) across in upright trusses of up to 15 flowers.
    • Pruning group 5
      Suitable for: Evergreen shrubs that require minimal pruning.
      Action: Trim or lightly cut back shoots that spoil symmetry. Deadhead regularly.
      When: Annually after flowering.

    • Hardy - average winter
      Hardy through most of the UK apart from inland valleys, at altitude and central/northerly locations. May suffer foliage damage and stem dieback in harsh winters in cold gardens. Plant can withstand temperatures down to -10°C (14°F)
    • Spring Seasonal Interest
    • Summer Seasonal Interest
    • Acid / ericaceous loving
      Ideally pH 4.5-6.0
    • Fertile moist well-drained soil
      Humus-rich
    • Neutral to acid soil
    • Partial shade
    • harmful if eaten
      People and pets, i.e. cats, dogs, rabbits, rodents, tortoises
    • Rabbit Resistant
    • Mature Size
      2m (6½ft)
      Medium Shrub - guide for size not form Average Person
        2m (6½ft)
       
    View Detailed Plant Description

     

    View Planting Tips and Care Advice
    Cold weather damage to evergreen plants
    Shrubs and Trees - Seeds - 3) Planting Seeds
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    Useful extras...

    Fertilisers & Feeds - Empathy
    Recommended by the RHS. Contains Rootgrow™ mycorrhizal fungi. Suitable for all trees and shrubs (except rhododendrons, azaleas, heathers, cranberries and blueberries)
    Small - 60g sachet
    £3.00
    Medium - 150gm sachet
    £6.00
    Large - 360gram sachet
    £12.00
    Unavailable
    Vermin & Pest Control
    Slug killer blue mini pellets are easy to use and give effective control of slugs and snails. Ideal in garden, conservatory or greenhouse.
    800g
    £6.50
    Fertilisers & Feeds - Empathy
    Creates a mini-meadow for attracting bees, butterflies and bugs to your garden. 200g sachet which will cover 3 square metres. Contains Rootgrow™ mycorrhizal fungi.
    3m²
    £7.00
    10m²
    £15.50
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