Hardy herbaceous perennial suitable for a semi shaded position. Strong upright grower with branching spikes of steel blue hooded flowers from July-August. Deeply divided foliage. All parts poisonous if eaten. H:1m.
Hardy perennial from north American woodlands, with delicate, deeply dissected purple-green foliage, and tall spires of pink flowers in mid-late summer. Best in reliably moist, humus-rich soil in semi-shade. Hardy. H: about 1.2m
A rare and glorious woodland specialist, thriving in cool and moist soils rich in organic matter and in dappled shade. Pure white and sweetly fragrant flowers appears towards the end of summer as small 'bottlebrushes' atop very tall stems, up to 1.5m or more in height! Will attract butterflies. Fully hardy and much sought after.
A hardy, rhizomatous, woodland perennial from woodlands in E. North America. Attractive, deeply incised leaves, delicate white flowers in late spring, white berries on red stems. Prefers shade and moister soils. H: 60-90cm
Stunning woodland specialist, with very dark, purple-black leaves and stems, and, in late summer, slender spires of sweetly scented, small, white flowers carried aloft on very tall stems which will attract late-season butterflies. Will thrive in organic-rich, moister soils, preferably in light shade. Fully hardy. H 1.8 m.
Charming, compact sun-loving hardy sub-shrub perennial, ideal for tumbling over low walls or creeping over paving slabs or a gravel garden. Masses of tiny lilac pink flowers in early summer; blue-green foliage. A true alpine it will enjoy sharp drainage and lots of sunlight. Native to limestone mountains in Europe and western Asia. H:10cm
A beautiful hardy perennial, bearing magnificient umbels of bright blue flowers in summer. Best in rich soils and quite a warm and sheltered spot, or kept in a pot and over-wintered in a cold glasshouse. Fully hardy. H: 80cm
Herbaceous perennial with large mid blue flower umbels in mid-late summer. Lovely upright variety with stiff stems. The flower buds are darker than the blue flowers, offering a lovely contrast. Prefers full sun and a rich, well drained soil. Hardy. H:80cm
Hardy evergreen perennial, well suited to a sunny position in rich soils, or kept in large pot. Tall stems carry medium sized umbels of delicate white flowers, each petal elegantly marked with purple-blue. H:90cm
Lovely hardy perennial, this variety of Agapanthus is probably the best of all for rich deep-blue flowers, on blue-black stems. Does best in a sunny position in richer soils, or kept in a pot and over-wintered in a cold glasshouse. Attracts bees. H: 90cm
Clump-forming hardy perennial, with tall stems each bearing a large umbel of nodding, deep violet-blue flowers in mid and late summer The buds are deep purple. Grow in moist but well-drained soil in a sheltered site full sun and mulch well in autumn in colder areas. H: 0.5 to1m Hardy.