Perennials
Plants that are also included in the range of bulbous and tuberous plants, but that can also be classified as perennials because of their characteristics.
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Hemerocallis 'St. Simons Island'
A repeat-flowering Day Lily from the Island series. Warm orange, lightly scented flowers, 15 cm. Richly flowering and strong border plant with a clump forming habit. -
Iris sibirica 'Butter and Sugar'
Siberian flag. ± 70 cm. high perennial, flowering in June/July. Flowers smaller then Iris germanica, but the plants are more vigorous and gives more flowers. This iris also likes a sunny spot. Hardiness zone 5-8. -
Iris sibirica 'Caesar's Brother'
Siberian flag. ± 70 cm. high perennial, flowering in June/July. Flowers smaller then Iris germanica, but the plants are more vigorous and gives more flowers. This iris also likes a sunny spot. Hardiness zone 5-8. -
Iris sibirica 'Golden Edge'
Siberian iris, perennial. A fantastic blue-violet iris, with the lip edged with a golden-yellow halo. -
Iris sibirica 'Harpswell Happiness'
Siberian iris, perennial. Gorgeous white iris with a little cream in the centre of the flower. Reflowering in August. -
Iris sibirica 'Lemon Veil'
Siberian iris, perennial. Extraordinary lis in which the pink flowers fade to lilac. The lips are veined and coloured orange-yellow from the heart. -
Iris sibirica 'Miss Apple'
Siberian iris, perennial. A very pretty, award-winning lis with red-violet, fragrant flowers with yellow markings from the centre. -
Iris sibirica 'Rigamarole'
Siberian iris, perennial. Lis with well-filled, soft lavender-blue flowers consisting of as many as 20 petals. -
Iris sibirica 'Shaker's Prayer'
Siberian iris, perennial. Richly flowering lis with slightly smaller, blue flowers. The lips are white-studded with yellow and blue. -
Iris sibirica 'Snow Queen'
Siberian flag. ± 60 cm. high perennial, flowering in June-July. Flowers smaller then Iris germanica, but the plants are more vigorous and gives more flowers. This iris also likes a sunny spot. Hardiness zone 5-8. -
Iris sibirica 'Sparkling Rose'
Siberian flag. ± 70 cm. high perennial, flowering in June/July. Flowers smaller then Iris germanica, but the plants are more vigorous and gives more flowers. This iris also likes a sunny spot. Hardiness zone 5-8. -
Lavandula angustifolia 'Hidcote'
Strong lavender with violet-blue flowers. Aromatic plant, attracts many butterflies and bees. -
Lavandula angustifolia 'Munstead'
Strong lavender with lavender-blue flowers. Aromatic plant, attracts many butterflies and bees. -
Lavandula x intermedia 'Edelweiß'
A sturdier lavender with a bushy, upright growth and white flowers. Aromatic plant, attracts many butterflies and bees. -
Liatris spicata
(Gay feathers), perennials with spikes of crowded flower heads, lilac-purple. Also an often used cut flower, height 70-80 cm. -
Liatris spicata 'Floristan Weiss'
(Gay feathers), perennials with spikes of crowded white flower heads. Also an often used cut flower, height 70-80 cm. Summer flowering. -
Nepeta faassenii 'Purrsian Blue'
Catmints, aromatic perennials with a bushy growth habit. For a place in full sun to light shade, on permeable soil. Purrsian Blue is a compact-growing form with a fine habit. Remove the spent flowers from time to time and they bloom all summer long. -
Nepeta faassenii 'Walker's Low'
Catmints, aromatic perennials with a bushy growth habit. For a place in full sun to light shade, on permeable soil. A strongly growing plant. Is slightly higher than the 'Six Hill's Giant'. -
Polygonatum 'Weihenstephan'
Large Solomon's Seal, with long overhanging stems, from which hang small whitish bells. Elegant plant. -
Polygonatum commutatum
Large, tall Solomon's Seal that grows into an impressive plant over the years. -
Polygonatum multiflorum
Multi-flowered Solomon's Seal, native plant with many white flowers. Black berries appear after flowering. -
Polygonatum odoratum 'Flore Pleno'
A full-bloomed form of the scented Solomon's Seal. Slow growing and quite rare. -
Polygonatum verticillatum
Solomon's Seal. The linear leaves grow in whorls of three to eight pieces together. The green-white, bell-shaped flowers form clusters. -
Salvia nemorosa 'Caradonna'
Sage. Beautiful deep purple blue Salvia with dark stems. Tight, upright habit. Flowers long, especially if the spent flower spikes are cut away. Perrenial. -
Smilacina racemosa
False Solomon's seal. Unlike the common Solomon's seal, this perennial flowers with flower panicles instead of pendulous bell-shaped flowers. The plant can eventually grow to a height of almost 1 metre. Prefers a position in semi-shade to shade and a lime-poor but humus-rich soil. -
Trillium cuneatum
Trillium is a beautiful woodland plant for in the (semi-)shade on humus-rich soil. It takes a while for the plant to develop, the rhizome may even remain latent the first year after planting. But it is worth the wait. Red-brown upright flowers and also beautifully marked leaves. -
Trillium erectum
Trillium is a beautiful woodland plant for in the (semi-)shade on humus-rich soil. It takes a while for the plant to develop, the rhizome may even remain latent the first year after planting. But it is worth the wait. Small reddish brown flowers. -
Trillium grandiflorum
Trillium is a beautiful woodland plant for in the (semi-)shade on humus-rich soil. It takes a while for the plant to develop, the rhizome may even remain latent the first year after planting. But it is worth the wait. Pure white, large flowering variety. The most common of all trilliums. -
Trillium grandiflorum 'Snow Bunting'
Trillium is a beautiful woodland plant for in the (semi-)shade on humus-rich soil. It takes a while for the plant to develop, the rhizome may even remain latent the first year after planting. But it is worth the wait. Rare, pure white, double flowered variety. -
Trillium luteum
Trillium is a beautiful woodland plant for in the (semi-)shade on humus-rich soil. It takes a while for the plant to develop, the rhizome may even remain latent the first year after planting. But it is worth the wait. Pale yellow flowers and silver-bronzed leaves. -
Trillium sessile
Trillium is a beautiful woodland plant for in the (semi-)shade on humus-rich soil. It takes a while for the plant to develop, the rhizome may even remain latent the first year after planting. But it is worth the wait. Red-brown flowers, leaves mottled. -
Uvularia grandiflora 'Pallida'
Greenish Bellwort, Large merrybells. Soft yellow, nodding, wide-opening bell-shaped flowers at the end of the approx. 40 cm. long stems. Feels perfectly at home in acidic, humus-rich soil in the semi-shade. A woodland plant. -
Verbena bonariensis 'Lollipop' ®
Argentinian vervain. Long flowering border plant with an airy growth habit, often used as a weaving plant. This selection remains lower than the V. bonariensis. The flowers attract many butterflies and insects. If the winter is not too cold, the plant remains. -
Wulfenia schwarzii
Evergreen perennial from the mountains of south-eastern Europe. Violet-blue flowers in short spikes appear in early summer. For humus-rich soil.