We have found 15 plants that meet your criteria.

Iris sibirica 'Perry's Blue' Siberian Flag Looks great planted in bold clumps £5.86 Buy
Iris sibirica 'Snow Queen' Beardless Siberian Iris (syn. I.... Great for adding vertical interest £5.86 Buy
Lilium regale Regal Lily Huge, trumpet shaped, white flowers and heady fragrance £5.86 Buy
Price Pruned
Phlox paniculata 'Blue Paradise' Perennial Phlox Fragrant violet flowers all summer NOW £5.37 Buy
Phlox paniculata 'David' Perennial Phlox Gorgeous, fragrant white flowers in late summer £5.37 Buy
Phlox paniculata 'Franz Schubert' Phlox Wonderful, fragrant, lilac flowers £5.86 Buy
Price Pruned
Phlox paniculata 'Mount Fuji' Perennial Phlox (syn. Fujiyama)... Fragrant, small, starry white flowers NOW £5.37 Buy
Dictamnus albus Burning Bush White flowers and lemon-scented leaves £6.84 Buy
Price Pruned
Hemerocallis citrina Daylily Star-shaped, lemon-yellow flowers NOW £5.37 Buy
Paeonia lactiflora 'Duchesse de Nemours' Paeony / Peony Huge, double white flowers into midsummer £7.82 Buy
Paeonia lactiflora 'Sarah Bernhardt' Paeony / Peony Glorious very large double rose-pink flowers £7.82 Buy
Crocus Special Offers
Paeonia lactiflora 'White Wings' Paeony / Peony Dainty large fragrant single white flowers with yellow centre NOW £24.46 Buy
Phlox paniculata 'Amethyst' Perennial Phlox Tall variety with violet flowers £5.86 Buy
Price Pruned
Phlox paniculata 'White Admiral' Perennial Phlox Elegant, white, starry flowers. Long flowering season, too NOW £5.37 Buy
Price Pruned
Viola odorata Sweet Violet Sweetly fragrant flowers NOW £4.88 Buy