We have found 76 plants that meet your criteria.

Knautia ‘Knautia macedonica Mars Midget’ Dwarf variety with crimson flowers £6.49 Buy
Red Hot Poker ‘Kniphofia Nancy's Red’ Ideal for a small garden £5.99 Buy
Price Pruned
Red Hot Poker ‘Kniphofia uvaria’ Scarlet buds and bright orange, torch-like flowers NOW £5.49 Buy
Everlasting Sweet Pea ‘Lathyrus latifolius Red Pearl’ Ideal for a sunny wall £5.99 Buy
Price Pruned
Cardinal Flower ‘Lobelia cardinalis Queen Victoria’ Bright red flowers and maroon foliage NOW £5.49 Buy
West Country Lupin ‘Lupinus Red Rum’ A long flowering variety £6.99 Buy
West Country Lupin ‘Lupinus Tequila Flame’ Makes a great focal point £6.99 Buy
Jerusalem Cross ‘Lychnis chalcedonica’ Splendid long display of orange-scarlet flowers £5.99 Buy
Honey Bush ‘Melianthus major’ Stunning, architectural plant with serrated leaves £9.99 Buy
Price Pruned
Bergamot ‘Monarda Cambridge Scarlet’ A popular old variety with bright red flowers NOW £5.49 Buy
Price Pruned
Bergamot ‘Monarda Squaw’ Brilliant red flowers. Mildew-resistant NOW £5.49 Buy
Price Pruned
Paeony / Peony ‘Paeonia Buckeye Belle’ Deep red, semi-double flowers NOW £7.99 Buy
Paeony / Peony ‘Paeonia lactiflora Adolphe Rousseau’ Magnificent large double maroon flowers £6.99 Buy
Paeony / Peony ‘Paeonia lactiflora Karl Rosenfield’ Fragrant, magenta flowers £6.99 Buy
Peony ‘Paeonia x smouthii’ Early flowering, with exceptional foliage £34.99 Buy
Oriental Poppy ‘Papaver orientale Patty's Plum’ Deep reddish-purple, pleated flowers £5.99 Buy
Field Poppy ‘Papaver rhoeas’ Brilliant red flowers. Ideal for a meadow £1.25 Buy
Price Pruned
Beard Tongue (syn. Garnet) ‘Penstemon Andenken an Friedrich Hahn’ Deep wine red, foxglove-like flowers NOW £4.99 Buy
Red Bistort ‘Persicaria amplexicaulis Firetail’ Bright red spikes in late summer. This plant loves wet soil! £5.99 Buy
Bistorta ‘Persicaria amplexicaulis Taurus’ Ideal for a bog garden £5.99 Buy