KALMIA latifolia 'Ostbo Red'

Commonly known as Calico bush, Mountain laurel

Red buds and pale pink flowers
Further Reading....
  • Evergreen
    Oval to elliptic-lance-shaped, glossy, dark-green leaves to 12cm (5in) long.
  • Red
    Red buds
  • Shades of pink
    All shades of pink through to Carmine (red)
    Opening pink
  • Height
    1.2m (4ft)
  • Spread
    1.2m (4ft)
  • Medium shrub
    Typically grow to around 4-6 feet in height
    Lax habit at first, becoming tidier with age. Dense, bushy shrub. Flowers 2-2.5cm (¾-1in) across.
  • Hardy - very cold winter
    Hardy in all of UK and northern Europe. Plant can possibly withstand temperatures down to -20°C (-4°F)
  • Full sun
    Where soil remains reliably moist.
  • Partial shade

KALMIA latifolia 'Ostbo Red'

 
  • Additional Features
    Good to know
    Wildlife plant - insects
    Pests & Diseases
    None
    Place of origin
    Canada.
    Resistant to honey fungus
    These plants have little or few problems with honey fungus.
  • Flower Shape
    Cup-shaped
    Or bowl-shaped.
  • Garden Location/Conditions
    Border
    Suitable for a shrub border
  • Hardiness
    Fully hardy
  • Leaf margin
    Entire
    (see photos above)
  • Leaf shape
    Elliptic
    (see photos above)
    Lanceolate
    (see photos above)
  • Pruning group
    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.

    Renovate over several seasons
  • Seasonal Interest
    Summer
  • Soil Conditions
    Acid / ericaceous loving
    Fertile moist well-drained soil
    Humus-rich. Mulch annually with leaf mould in spring.
  • Toxic - Category C
    Harmful if eaten
    (People & Pets)
  • Wildlife
    Bee friendly
    Rabbit Resistant
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
1.2m (4ft)
Medium Shrub - guide for size not form Watering Can
  1.2m (4ft)
 

Useful extras...

Fertilisers & Feeds - Vitax
Q4 Pelleted Fertiliser
A useful fertiliser suitable for use on a wide variety of plants. Q4 provides all the nutrients and trace elements essential for vigorous growth, abundant flowering and ripening of fruit.
3 options from £6.00

Fertilisers & Feeds - Empathy
Afterplant - Grow Your Own
AFTER PLANT GROW YOUR OWN seaweed is ready to use liquid concentrate that was specially formulated be used on all edible plants.
Only £8.00

Fertilisers & Feeds - Empathy
Afterplant - Tomatoes
AFTER PLANT TOMATO FEED Liquid Concentrate with Bio stimulant is a high potash liquid concentrate containing seaweed extract, plant derived amino acids and other nutrients specifically formulated to benefit tomatoes and greenhouse plants.
Only £8.00

Fertilisers & Feeds - Empathy
Rootgrow mycorrhizal fungi
Recommended by the RHS. Contains Rootgrow™ mycorrhizal fungi. Suitable for all trees and shrubs (except rhododendrons, azaleas, heathers, cranberries and blueberries)
3 options from £3.00

Fertilisers & Feeds - Empathy
Rootgrow Ericoid mycorrhizal fungi
This specially adapted Rootgrow™ mycorrhizal fungi will boost the growth of acid-loving plants like rhododendrons, azaleas, heathers and blueberries. It contains ericoid and arbuscular mycorrhizal fungi, which are found in poor acidic soils where ericaceous plants naturally grow.
Only £7.50

Fertilisers & Feeds - Empathy
All-purpose Seaweed Stimulant
All-purpose organic concentrated seaweed feed that is a ready to use, derived from sustainable harvested kelp, that can be used on all outdoor and indoor plants, except acid loving plants. Perfect used in conjunction with Rootgrow™.
Only £7.50

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