Geum coccineum ‘Cooky’ – This cultivar of Scarlet Avens features single five-petaled deep orange blooms (about 1.5″ across) with complimenting yellow stamens from May to July. These are borne on tall 12″ stalks above a mound of mid green basal foliage. The stems from ‘Cooky’ make a good cut flower and it prefers a part sun exposure. Grows 6-8″ high by 16″. Zone 5.
Agastache ‘Tango’ – The orange and red-lipped upward-facing trumpets blooms of this Anise-Hyssop are bound to be a favourite with local butterflies and hummingbirds. These flower from midsummer through to autumn on tall stems that sit just above the finely cut greyish-green leaves. The aromatic foliage is deer resistant. Grows 12-18″ high by 15-18″ wide. Hardy to zone 5.
Lilium ‘Tiny Orange Sensation’ – This dwarf Asiatic Lily packs a lot of colour in a compact plant, bearing eye-catching deep tangerine flowers with dark maroon spotting. It is a part of the LILY LOOKS series that was bred for container culture, but it also works well in border foregrounds. They begin flowering late May into June. Grows 18″ high by 12″ wide. Hardy to zone 3.
Lychnis ‘Molten Lava’ – The foliage and flowers of this hybrid Campion both work together to make an impressive display. The rich scarlet-orange blooms seem to glow amidst the dense mound of burgundy-tinted leaves. ‘Molten Lava’ flowers from June to July and makes an excellent accent plant in mixed container plantings. Grows 8-10″ high by 12″ wide. Hardy to zone 3.
Gaillardia ‘Fanfare Blaze’ – A new Blanket Flower hybrid from England which features dramatic reddish-orange blooms with tubular petals that are tipped in yellow. This drought tolerant plant requires full sun and sharp drainage, blooming from early summer through to fall. Deadhead completely late in the season to allow it a rest. Grows 12-16″ high by 18-24″ wide. Zone 5.