AWARD

SOPHORA microphylla 'Sun King'

Commonly known as Kowhai

Extremely hardy plant with bright yellow clusters of claw-like flowers in profusion over a long period in late winter and spring
Further Reading....
  • Semi-evergreen
    Keeps some of its foliage all year, and will drop some leaves as well.
    leaves to 15cm (6in) with up to 40 pairs of dark-green leaflets.
  • Yellow
    Bright yellow
  • Height
    3m (10ft)
  • Spread
    3m (10ft)
  • Tall Shrub
    Bushy shrub. Produces flowers in racemes to 5cm (2in) long. Petals of the 5cm (2in) long flowers all point forwards.
  • 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)
  • Against a wall
  • Full sun
    Protect from cold, dry winds

SOPHORA microphylla 'Sun King'

 

 

  • Additional Features
    Good to know
    Require long, hot summers to flower well
    Pests & Diseases
    None
    Place of origin
    Garden origin. UK. Hillier Arboretum, Hampshire.
  • Garden Location/Conditions
    Border
    Suitable for a shrub border
    Coastal / windswept
    Cottage garden
    Town garden
  • Hardiness
    Fully hardy
  • Leaf form
    Pinnate
    		(see photos above)
  • Leaf margin
    Entire
    		(see photos above)
  • Leaf shape
    Elliptic
    		(see photos above)
  • Pruning group
    Pruning group 1
    Suitable for: Deciduous and evergreen trees, and some deciduous shrubs.
    Pruning: Minimal pruning required. Prune wayward or crossing branches to maintain a healthy framework.
    When: When dormant in the late winter/early spring. Some in the summer/autumn to prevent bleeding of sap.
  • Seasonal Interest
    Spring
    Winter
  • Soil Conditions
    Fertile well drained soil
    Moderately fertile
  • Toxic - Category C
    Harmful if eaten
    People and pets, i.e. cats, dogs, rabbits, rodents, notably dogs
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sophora - Growing Guide
3m (10ft)
 Tall Shrub - guide for size not form Average Person
  3m (10ft)
  

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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