PHILADELPHUS insignis

Commonly known as Mock orange, Syringa

Panicles of cup-shaped flowers. One of the last species to flower which lasts on into July
  • Deciduous
  • Height
    3m (10ft)
  • Spread
    3m (10ft)
  • Tall Shrub
    Bushy shrub producing flowers 2cm (¾in) across in panicles of 15-20.
  • 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)
  • Full sun
  • Partial shade

PHILADELPHUS insignis

 
Available late spring to early summer 2024 - Spring according to the Met Office is defined as March 1st - May 31st. Therefore late spring is mid-April onwards. This is not a guaranteed date but an estimate and subject to availability.
£25.00 each 
Delivery Information Available late spring to early summer 2024

 

  • Additional Features
    Good to know
    Syn. P. 'Souvenir de Billiard'. One of the last to flower
    Pests & Diseases
    Aphids, powdery mildew
    Place of origin
    USA (California)
    Resistant to honey fungus
    These plants have little or few problems with honey fungus.
  • Flower Shape
    Cup-shaped
    Single
    Row of petals round conspicuous stamens - no more than 8 petals
  • Garden Location/Conditions
    Border
    Suitable for a shrub border
    Cottage garden
  • Hardiness
    Fully hardy
  • Leaf margin
    Serrulate
    (see photos above)
  • Leaf shape
    Ovate
    (see photos above)
  • Pruning group
    Pruning group 2
    Suitable for: Deciduous shrubs and trees that flower in Spring or early Summer on previous year's growth, including plants that produce new growth at or near ground level.
    Pruning: Prune flowered shoots to strong buds. Cut back approximately 1/4 of old shoots to the base to promote replacement growth.
    When: Annually, after flowering.

  • Scented Plants
    Scented flowers
    Faintly scented
  • Seasonal Interest
    Summer
  • Soil Conditions
    Fertile well drained soil
    Moderately fertile
  • Wildlife
    Bee friendly
    Rabbit Resistant
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
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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