We have found 95 plants that meet your criteria.

Loosestrife ‘Lysimachia atropurpurea Beaujolais’ Long-lasting, burgundy flowers and silver leaves £5.99 Buy
Loosestrife ‘Lysimachia ephemerum’ Tall spires of starry white flowers. Needs moisture £5.99 Buy
Price Pruned
Bergamot ‘Monarda Beauty of Cobham’ Long flowering and great with grasses NOW £5.49 Buy
Price Pruned
Bergamot ‘Monarda Croftway Pink’ Delicate pale pink flower whorls NOW £4.99 Buy
Giant Catmint ‘Nepeta grandiflora Wild Cat’ A giant catmint with deep purple-blue flowers £5.99 Buy
Price Pruned
Catmint ‘Nepeta Six Hills Giant’ A hardy catmint with lavender flowers NOW £4.99 Buy
Russian Sage ‘Perovskia abrotanoides’ Silvery white aromatic foliage with long lasting blue flowers £7.99 Buy
Perennial Phlox ‘Phlox paniculata Amethyst’ Tall variety with violet flowers £5.99 Buy
Phlox ‘Phlox paniculata Franz Schubert’ Wonderful, fragrant, lilac flowers £5.99 Buy
New
Perennial Phlox ‘Phlox paniculata Tenor’ Tall variety with long-lasting, rose-red flowers £5.99 Buy
Price Pruned
Jacob's Ladder ‘Polemonium caeruleum’ Bell-shaped, lavender-blue flowers in early summer. NOW £4.99 Buy
Price Pruned
Cinquefoil ‘Potentilla Gibson's Scarlet’ Brilliant red flowers and long season. NOW £4.99 Buy
Blue Cowslip ‘Pulmonaria angustifolia Blaues Meer’ Bright blue flowers free flowering £5.49 Buy
Lungwort ‘Pulmonaria longifolia’ Funnel-shaped blue-purple long lasting flowers winter to spring £5.99 Buy
Burnet ‘Sanguisorba menziesii’ Bright red spires in early summer £5.99 Buy
Price Pruned
Burnet ‘Sanguisorba Tanna’ Elegant spires of red flowers NOW £5.49 Buy
Comfrey ‘Symphytum Hidcote Pink’ Great for a woodland garden £4.99 Buy
Horned Violet ‘Viola cornuta Alba Group’ Subtly-scented, pure white flowers £5.99 Buy
Price Pruned
Sweet Violet ‘Viola odorata’ Sweetly fragrant flowers NOW £4.99 Buy
Wood Violet (syn. Viola labradonica... ‘Viola riviniana Purpurea Group’ Ideal for a woodland garden £4.99 Buy