We have found 178 plants that meet your criteria.

lavender
Lavandula 'Sawyers' lavender Compact mounds of silvery foliage £8.99 Buy
Crocus Special Offers
west country lupin
Lupinus 'Persian Slipper' (PBR) west country lupin Pretty lagoon blue blooms NOW £9.99 Buy
catmint
Nepeta × faassenii catmint Loose drifts of lavender flowers. Great for edging £7.99 Buy
catnip
Nepeta racemosa 'Walker's Low' catnip Long flowering period £7.99 Buy
catmint
Nepeta 'Six Hills Giant' catmint A hardy catmint with lavender flowers £7.99 Buy
beard tongue
Penstemon 'Sour Grapes' beard tongue Greyish-blue flowers with metallic sheen £7.99 Buy
Russian sage
Perovskia atriplicifolia 'Little Spire' (PBR) Russian sage A shorter form of the popular Russian sage £9.99 Buy
Russian sage
Perovskia 'Blue Spire' Russian sage Violet-blue flowers and silvery foliage. Great planted en masse £9.99 Buy
New
Russian sage
Perovskia 'Blue Spire' Russian sage Violet-blue flowers and silvery foliage. Great planted en masse £5.99 Buy
petunia F1
Petunia grandiflora 'Mirage Blue' petunia F1 A robust yet decorative seasonal treat £1.99 Buy
New
border phlox
Phlox paniculata 'Blue Paradise' border phlox Fragrant and colourful in summer £5.99 Buy
border phlox
Phlox paniculata 'Blue Paradise' border phlox Fragrant violet flowers all summer £7.99 Buy
Jacobs ladder
Polemonium caeruleum Jacobs ladder Bell-shaped, lavender-blue flowers in early summer. £6.99 Buy
Jacobs ladder
Polemonium reptans 'Stairway to Heaven' Jacobs ladder Distinctive variegated foliage and spring flowers £5.99 Buy
lungwort
Pulmonaria 'Blue Ensign' lungwort Bright blue flowers £6.99 Buy
lungwort
Pulmonaria 'Blue Ensign' lungwort Bright blue flowers £7.99 Buy
Price Pruned
rose Rhapsody in Blue (shrub)
Rosa Rhapsody in Blue ('Frantasia') (PBR) rose Rhapsody in Blue (shrub)... The closest to a... NOW £13.49 Buy
rosemary
Rosmarinus officinalis 'Miss Jessopp's Upright' rosemary Lavender-blue flowers £8.99 Buy
rosemary
Rosmarinus officinalis Prostratus Group rosemary Forms a mat of fragrant foliage £9.99 Buy
Crocus Special Offers
sage (syn. Salvia May Night)
Salvia × sylvestris 'Mainacht' sage (syn. Salvia May... Large indigo-blue flowers NOW £5.99 Buy