Perennials

Marsh helleborine, an orchid that occurs in the Netherlands and Belgium. Green, brown-white flowers. Propagated through rhizomes, delivered in a 9 cm pot, well rooted. CITES: not for Switzerland.

Mexican Daisy. Fantastic long bloomer. Also very nice for use in pots and containers. Spreads easily, even grows along walls and in difficult spots.

Avens, the striking red flowers appear from April in loose bunches on long stems above the leaves. Problem-free plant, often mostly evergreen.

Avens, the soft tangerine-orange flowers appear from May in loose bunches on long stems above the leaves. Problem-free plant, often mostly evergreen.

An evergreen, repeat-flowering Day Lily from the Island series. Fragrant pink flowers with a yellow centre and edge. Richly flowering and strong border plant with a clump forming habit.

Low-growing, long-flowering Day Lily from the Endlesslily series. Small, coral-pink flowers, 10 cm with a yellow centre. Richly flowering and strong border plant with a clump forming habit.

Low-growing, long-flowering Day Lily from the Endlesslily series. Small, orange flowers, 8 cm. Richly flowering and strong border plant with a clump forming habit.

Low-growing, long-flowering Day Lily from the Endlesslily series. Small, yellow flowers, 10 cm. Richly flowering and strong border plant with a clump forming habit.

A repeat-flowering Day Lily from the Island series. Dark purple-red flowers with a greenish-yellow heart. Richly flowering and strong border plant with a clump forming habit.

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.

A daylily from the Skye series. Pink flowers with dark red edges and a dark red centre, 12 cm. Richly flowering and strong border plant with a clump forming habit.

A daylily from the Skye series. Warm orange flowers, 12 cm. Richly flowering and strong border plant with a clump forming habit.

Black iris, fine plant with elegant, very slender, upright leaves. Lightly scented, almost black flowers. For moist, nutritious soil.

Siberian iris, perennial. Easy-to-grow iris for both drier and moist soil. Beautiful selection with large, double flowers, burgundy red falls with pink-violet sepals.

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.

Siberian iris, perennial. Easy-to-grow iris for both drier and moist soil. Mustard yellow flowers with wavy petals.

Siberian iris, perennial. Easy-to-grow iris for both drier and moist soil. Soft lavender flowers with delicate white edges.

Siberian iris, perennial. Easy-to-grow iris for both drier and moist soil. Purple-blue flowers with a delicate veining on the petals.

Siberian iris, perennial. Easy-to-grow iris for both drier and moist soil.The petals are various shades of soft apricot with reddish-purple veins, the standards are cream-coloured with golden yellow. The colour varies slightly.

Siberian iris, perennial. Extraordinary lis in which the pink flowers fade to lilac. The lips are veined and coloured orange-yellow from the heart.

Siberian iris, perennial. Easy-to-grow iris for both drier and moist soil. Beautiful lime green flowers with blue veins on both the stamens and sepals.

Siberian iris, perennial. A very pretty, award-winning lis with red-violet, fragrant flowers with yellow markings from the centre.

Siberian iris, perennial. Easy-to-grow iris for both drier and moist soil. Silver-white flowers with soft lavender-coloured veins.

Siberian iris, perennial. Easy-to-grow iris for both drier and moist soil. Unique flower colour, copper with paprika red, the petals have a lavender blue glow.

Siberian iris, perennial. Easy-to-grow iris for both drier and moist soil. Blue, slightly wavy flowers, stems light blue and violet blue.

Siberian iris, perennial. Easy-to-grow iris for both drier and moist soil. Watermelon pink flowers with blue and purple hues, adorned with cheerful yellow accents. The colour may become slightly darker or lighter depending on the weather.

Siberian iris, perennial. Easy-to-grow iris for both drier and moist soil. Abundant flowering, mixture in various shades of blue, purple and white.

Yellow wax bells. Perennial plant with slightly curved stems bearing creamy yellow hanging bell-shaped flowers. Attractive fresh light green foliage. Late season flowering: ideal for the autumn garden.

Strong lavender with violet-blue flowers. Aromatic plant, attracts many butterflies and bees.

Strong lavender with lavender-blue flowers. Aromatic plant, attracts many butterflies and bees.

A sturdier lavender with a bushy, upright growth and white flowers. Aromatic plant, attracts many butterflies and bees.

(Gay feathers), perennials with spikes of crowded flower heads, lilac-purple. Also an often used cut flower, height 70-80 cm.

(Gay feathers), perennials with spikes of crowded white flower heads. Also an often used cut flower, height 70-80 cm. Summer flowering.

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.

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'.

Large Solomon's Seal, with long overhanging stems, from which hang small whitish bells. Elegant plant.

Large, tall Solomon's Seal that grows into an impressive plant over the years.

Multi-flowered Solomon's Seal, native plant with many white flowers. Black berries appear after flowering.

A full-bloomed form of the scented Solomon's Seal. Slow growing and quite rare.

Solomon's Seal. The linear leaves grow in whorls of three to eight pieces together. The green-white, bell-shaped flowers form clusters.

Sage. Beautiful deep purple blue Salvia with dark stems. Tight, upright habit. Flowers long, especially if the spent flower spikes are cut away. Perrenial.

A forest plant native to central China with attractive, woolly, heart-shaped grey-green leaves. The pale yellow flowers appear from April onwards and can continue to bloom throughout the summer. Very hardy and not fussy about soil type.

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 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 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 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 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.

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.