Plants by mail order since 1984, over 4100 plants online today!
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Commonly known as Matilija poppy
Huge white single poppy flowers, heavily scented
ROMNEYA coulteri is also available as part of our 'The Green and White Border' offer.
29 plants for £311.00 - saving you £46.00
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.
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)
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 - Sub-tropical / mediterranean
Hardiness - Fully hardy
Is Scented Plant - Scented flowers
Seasonal Interest - Summer
Soil Conditions - Fertile well drained soil - shelter from cold winds. Provide a dry winter mulch
Cold weather damage to evergreen plants
Romneya - Growing Guide
Harrod Horticulture Plant Supports - Plant & Border Supports
Trumpet wire support
The Harrod Peony plant supports have a striking trumpet shape which is ideal for supporting many plants including peonies. Available in several sizes, in traditional rust & matt black colour.
6 options from £36.00
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
Rootgrow mycorrhizal fungi
Recommended by the RHS. Contains Rootgrow™ mycorrhizal fungi. Suitable for all trees and shrubs (except rhododendrons, azaleas, heathers, cranberries and blueberries)
2 options from £6.00
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™.
Slate Plant Labels
These wonderfully tactile natural slate plant labels are hand made in Cornwall and come with a chalk pen. Just stick them in your pot or border. Pack of 6.
Slate Tie-on Plant Labels
Hand made in Cornwall, these delightful natural slate labels are perfect for pots. Comes with chalk pen. Pack of 5