Acaena microphylla: Tiny leaved ground cover plant with little copper ball-shaped flowers. Will spread very effectively.

Achillea 'Paprika' (Yarrow 'Paprika'): As its name suggests, rich, dark orange flowerheads above ferny green foliage. Great in full sun and light soils. Height to 75cm

Achillea 'Terracotta' (Yarrow 'Terracotta'): A lovely, multi-hued variety opening warm orange and fading slowly to a rich cream. Full sun and light soil. Hardy. To 80cm

Arum italicum subsp. italicum 'Marmoratum' (Arum italicum 'Pictum'): Large arrow shaped green leaves with white markings in winter, spikes of bright orange berries in autumn

Asclepias tuberosa (Butterfly flower): Vibrant bright orange flowers in summer and autumn, followed by fruit. Loved by butterflies. Prefers a sheltered spot. Up to 80cm.

Epimedium 'Amber Queen' (PBR) (Barrenwort 'Amber Queen'): Amber is the perfect description for the flower colour, held well about the leaves in mid-spring. Hardy. Up to 30cm. [Collect Only]

Epimedium x warleyense (Barrenwort): Dainty orange flowers in spring with yellow centres. Great for shady areas. To 30cm. Hardy.

Euphorbia griffithii 'Fireglow' (Spurge): Bright orange/red flower bracts in early summer. Vibrant red late summer foliage. Fully hardy. To 80cm. [Collect Only]

Geum 'Lemon Drops' (Avens 'Lemon Drops'): Primrose yellow flowers, semi-evergreen foliage. To 50cm. Hardy and reliable. [Collect Only]

Geum 'Nonna' (Avens 'Nonna'): New variety with warm apricot semi-double flowers edged in orange, above hairy green foliage. Long flowering. Hardy. Up to 40cm.

Geum 'Prinses Juliana' (Avens 'Prinses Juliana'): Bright orange flowers held on tall stems above mounds of rounded foliage. Flowers for ages and reflowers when cut back. [Collect Only]

Geum 'Savannah Sunset' (Avens 'Savannah Sunset'): Apricot, semi-double flowers with red buds held on red stems above rosettes of rounded hairy leaves. Long flowering. Hardy. Up to 35cm.

Geum 'Totally Tangerine' (PBR) (Avens 'Totally Tangerine'): Lovely single-flowered bright orange flowers held on erect stems above mounds of green foliage. Hardy. Up to 60cm.

Helenium 'Mardi Gras' (Sneezeweed 'Mardi Gras'): Bright orange petals, splashed with yellow and brown central cone in late summer. Long flowering if cut back flowered stems.

Helenium 'Rauchtopas' (Sneezeweed 'Rauchtopas'): Gorgeous variety with petals that are a rich gold on top and coppery-red beneath. [Collect Only]

Helenium 'Sahins Early Flowerer' (Sneezeweed 'Sahins Early Flowerer'): Orange and gold streaked flowers with swept back petals and central bronze boss in late summer. To 1.4m. Hardy.

Kniphofia 'Alcazar' (Red hot poker 'Alcazar'): Tall spikes of vibrant red-orange flowers opening to a paler yellow to give a two-tone effect. Strappy green foliage. Hardy. Up to 1.2m. [Collect Only]

Kniphofia 'Timothy' (Red hot poker 'Timothy'): Tall spikes of creamy orange flowers on bronze stems in mid-late summer. Superb in sunny, dry borders. To 1.2m. Hardy

Ligularia dentata 'Desdemona' (Leopard plant 'Desdemona'): Large orange daisy-like flowers over rounded greeny-bronze foliage with purple undersides. To 1m. Hardy. [Collect Only]

Lychnis x arkwrightii 'Vesuvius': Striking perennial with bronze-green leaves and vibrant orange-red star-shaped flowers with notched petals. Hardy. Up to 45cm. [Collect Only]

Physalis alkekengi var. franchetii (Chinese Lantern): Hardy perennial, grown for its glowing orange lantern-like seed cases in autumn. [Collect Only]

Potentilla 'Blazeaway' (Cinquefoil 'Blazeaway'): Zingy orange flowers, flecked with yellow and red in summer over clumps of dark green foliage. Hardy. Up to 50cm. [Collect Only]

Primula bulleyana (Bulley's primrose): Upright tall stems of bright orange-yellow flowers from a rosette of green leaves. Likes damp borders. Hardy. Up to 60cm.