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Tall perennial with deep indigo blue flowers in autumn, loosely resembling a Delphinium in form. Useful because of its tolerance to clay soils and later flowering.
Tall perennial with deep indigo blue flowers in autumn, loosely resembling a Delphinium in form. Useful because of its tolerance to clay soils and later flowering.
Data sheet
Vigorous drought tolerant yarrow for cottage garden or herb border. Flowers begin white, then fade to soft ivory.
A useful border allium, flowering in mid summer, producing tall stems topped with spherical heads, about the size of crab apples. These begin green, then as the season progresses, burgundy colouration gradually extends down until the balls are entirely coloured. Best planted closely as a clump for good effect.
Sky blue flowers, protect from wind in a walled garden or amongst shrubs or roses. As easy to grow as other varieties providing drainage is reasonable.
Ornamental perennial from South America, with attractive white trumpet flowers and a sweet scent. A spectacular infill plant in mass plantings and backgrounds, best in part shade.
Spreading species from Korea with large white bells speckled pink. Attractive glossy foliage.
One of the tallest thalictrum with both wonderful foliage and flower display. Good in shade or part sun, prominent background plant, one of the best varieties we have grown.
A vigorous tall late summer flowering variety that never disappoints in its florferous abundance, provides good fill and the blue looks great with autumn grasses, sedums and rudbeckia.
Evergreen variety for shade with pink flowers and glossy mounding low foliage. Useful for mass plantings and foliage effect with pachyphragma and epimedium.
This variety is particularly good in autumn when the seedheads elongate and stand above the foliage. Another tall variety for behind the border, best cut down to ground level every few years.
A very useful groundcovering variety which forms strong colonies in even the most difficult dry areas. Pale blue flowers in spring and autumn.
Dark leaved aster, with petite starry pink flowers in autumn. We never see mildew on this variety, and its foliage makes a good show prior to flowering.
Miniature alpine yarrow for cottage garden or rock garden, long flowering and not invasive, pure white flowers. Drought and frost hardy.
One of the best summer perennials for the border that flowers well into dry summer periods. Deep blue flower spikes contrasting with dark stems. Frost hardy and deciduous, cut back after first flowering for a repeat flowering later in the season. Taller than other forms.
Evergreen rosette-forming penstemon with a tidy appearance and tall spikes of apricot flowers from summer to autumn.
Our own breeding from Astrantia 'Hadspen Blood' ,very dark ruby red flowers. Astrantia, although tough once established, love moist clay loam soils and plenty of fertility to give their best. Division grown.
White form of the Algerian iris, equally as hardy as the blue forms. Best in free draining soil, colonizes well over time forming grassy mounds flowering in winter. Ideal mass planting under shrubs or specimen plant.
Tall perennial with deep indigo blue flowers in autumn, loosely resembling a Delphinium in form. Useful because of its tolerance to clay soils and later flowering.