AWARD

ROMNEYA coulteri

Commonly known as Matilija poppy

Huge white single poppy flowers, heavily scented
Further Reading....
  • Deciduous
    Upright, suckering subshrub. Ovate to rounded, pinnatifid (with lobes) intensely glaucous, grey-green leaves to 12cm (5in) long, with 3-5 lance-shaped lobes. Produces solitary flowers to 12cm (5in) across, with prominent yellow stamens.
  • White
  • Height
    1-2.5m (3-8ft)
  • Spread
    Indefinite
  • Hardy - cold winter
    Hardy in most places throughout the UK even in severe winters. May not withstand open/exposed sites or central/northern locations. Plant can withstand temperatures down to -15°C (5°F)
  • Full sun

ROMNEYA coulteri

 
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.
£22.00 each 
Delivery Information Available late spring to early summer 2024
plant size comparison icon 2 to 3 Litre
Click to see photo
  • Additional Features
    Good to know
    Produces flowers over a long period in summer. Recommended for the back of a border
    Pests & Diseases
    Caterpillars, verticillium wilt.
    Place of origin
    USA (southern California), northern Mexico.
    Youtube video
    Https://youtu.be/yUOOgU4ZkHc
  • Flower Shape
    Cup-shaped
    Shallowly cup-shaped.
  • Garden Location/Conditions
    Border
    Suits a sunny border
    Sub-tropical / mediterranean
  • Hardiness
    Fully hardy
  • Pruning group
    Pruning group 4
    Suitable for: Deciduous trees and shrubs that flower on current year's growth or are grown for winter stem effect.
    Pruning: Hard prune to a low permanent framework.
    When: Annually in early Spring.
  • Scented Plants
    Scented flowers
  • Seasonal Interest
    Summer
  • Soil Conditions
    Fertile well drained soil
    Shelter from cold winds. Provide a dry winter mulch
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Cold weather damage to evergreen plants
Romneya - Growing Guide

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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