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Perennials
Hardy herbaceous plants give years of colourful flowers and foliage from a single planting. Many of them die back in the winter, though some only flower in winter! Plan carefully and you can have interesting and ever-changing displays of beautiful perennial blooms throughout the whole year.
To learn more about choosing and growing perennials, check out some of our various articles in our advice section:
- Choosing and growing wildflowers in your garden
- Perennials for late-summer colour
- Growing primulas
- Choosing and growing hardy geraniums
- Perennials and grasses for early-autumn color
- Hellebores for the winter garden
Availability and planting | All year
There are perennials for every season, though the largest variety is usually available in spring and summer when they are coming into (and in) bloom! Check back throughout the year to see our ever-changing varieties.
Achillea millefolium

Achillea millefolium
€3.00
Common Yarrow (Athair Thalún) This native wildflower is a strongly scented, downy perennial of pastures, roadsides and waste places throughout Ireland that flowers from June until November. Feathery foliage (‘millefolium’ means ‘a thousand leaves’) that is grey-green with creeping shoots. White, sometimes pinkish daisy-like flower heads. Site: T...

Achillea millefolium Moonshine
€8.00
Achillea millefolium Moonshine - Yarrow A sterile, non-seeding yarrow, which has stood the test of time, Achillea Moonshine is a small, clump-forming, herbaceous perennial for the front or middle of a border or for a gravel garden. The feathery leaves are silvery-grey, setting off the soft yellow flowers beautifully. The tiny florets are borne i...
Agapanthus Brilliant Blue

Agapanthus Brilliant Blue
€15.00
African Lily Brilliant Blue A relatively compact African lily cultivar, Agapanthus Brilliant Blue is a deciduous, clump-forming herbaceous perennial. The original African lilies come from South Africa, but are surprisingly hardy in our climate, the deciduous varieties being slightly hardier; nevertheless, a thick mulch will help them come throug...
Agapanthus umbullatus Albus

Agapanthus umbullatus Albus
€12.00
Agapanthus umbullatus Albus A beautiful white agapanthus or African lily, lovely for a summer wedding, Agapanthus umbullatus Albus is a clump-forming, evergreen perennial whose flowers rise above the clump of strap-like, mid-green leaves. Agapanthus umbellatus Albus are semi-evergreen, working well in informal cottage or architectural planting s...

Ajuga reptans Black Scallop
€4.00
Bugle Black Scallop A low growing spreading perennial perfect for carpet forming groundcover over banks and slopes, Ajuga reptans Black Scallop is an easy care, hardy evergreen that will establish almost anywhere providing there is moist soil. Dislikes dry shade. The glossy 'black' scalloped leaves are actually deeply dark purple with hues of br...
Ajuga reptans Braunherz

Ajuga reptans Braunherz
€4.00
Bugle Braunherz A dark-leaved form of the native bugle, Ajuga reptans Braunherz is a low, mat-forming, evergreen perennial, attractive year-round as ground-cover. The glossy leaves are oval or spoon-shaped, and a deep purple-bronze colour, turning greener in winter or when grown in full shade. Upright spikes, up to 8”/20cm tall, of deep blue flo...

Ajuga reptans Burgundy Glow
€4.00
Bugle Burgundy Glow A handsome cultivar of the native bugle, Ajuga reptans Burgundy Glow is a creeping, mat-forming, evergreen perennial which makes excellent ground-cover for a shady spot. The rather waxy, glossy leaves are silvery green, edged with cream and flushed with burgundy red, providing year-round interest. From May to July blunt spike...
Alchemilla mollis

Alchemilla mollis
€4.00
Lady’s Mantle A clump-forming herbaceous perennial, Alchemilla mollis is so adaptable, low-maintenance and attractive that it can find a place in any garden. It has pretty, pale-green, scalloped leaves with soft, silvery hairs which hold raindrops like little diamonds. In June, sprays of lime-green fluffy flowers appear, gradually turning gold; ...

Anemone hupehensis var. japonica Prinz Heinrich
€4.75
Japanese Anemone Prinz Heinrich An unusual and attractive form of Japanese anemone for late summer colour, Anemone hupehensis var. japonica Prinz Heinrich is a herbaceous perennial with a suckering habit. The attractively cut, semi-evergreen leaves are deep green. From August to September, the plant bears deep rose-pink semi-double flowers with ...

Anemone x Honorine Jobert
€4.50
Japanese Anemone Honorine Jobert An old French cultivar and one of the most exquisite Japanese anemones, Anemone x Honorine Jobert is a tough but elegant, herbaceous, clump-forming perennial which flowers for a long period from July to September. The leaves are deep green and very attractively divided, forming good ground cover from quite early ...

Anemone x hybrida Konigin Charlotte
€4.75
Japanese Anemone Konigin Charlotte Also known as Japanese anemone Queen Charlotte, this beautiful anemone flowers for weeks in the second half of summer and into autumn. Anemone x hybrida Konigin Charlotte is a tall, vigorous, clump-forming, herbaceous perennial, long-lived and very easy to grow – just cut it back in late autumn. The deep green,...

Anemone x hybrida September Charm
€4.50
Japanese Anemone September Charm An elegant cottage garden beauty providing weeks of colour in late summer, Anemone x hybrida September Charm is a vigorous, clump-forming, herbaceous perennial. The deep green, tripartite leaves appear early in the year, and provide attractive cover for the dying leaves of bulbs like ornamental alliums. From July...
Angelica archangelica

Angelica archangelica
€4.00
Garden Angelica, Norwegian Angelica A plant with majestic presence, Angelica archangelica is a late flowering native wildflower with exceptional architectural form. Angelica is a bright green biennial with deeply coloured contrasting stems and dome shaped heads of pale yellow flowers which are extremely attractive to bees and other beneficial p...
Armeria maritima Alba

Armeria maritima Alba
€3.00
Thrift Alba A white form of our native, seaside thrift, Armeria maritima Alba is a small, evergreen perennial with a dense, clump-forming habit, making excellent ground-cover. The narrow, deep green leaves are grass-like, and form neat, dense mounds. In May and June, for a long period, little drumstick heads of small white flowers rise on 6”/15c...

Armeria maritima Splendens
€3.00
Sea Thrift 'Splendens' A splendid variety of (and nearly identical to) our native sea thrift with tufted foliage and sprays of pink flowers. Like our charming native wildflower, it tends to form little carpets on rocks and saltmarshes from April to July, with dense tufts of small, papery, pink flowers and grass-like grey-green leaves and slende...

Bergenia Bressingham White
€4.50
Bergenia Bressingham White Also known as elephant’s ears, Bergenia Bressingham White is a clump-forming, evergreen, rhizomatous perennial, good at the front of a border. It’s particularly free-flowering, and one of the best white bergenias. The rounded, deep green leaves form a ground-covering mound. In March and April, racemes of pure white, be...

Bergenia cordifolia Rotblum
€3.00
Elephant's Ears Rotblum A striking plant commonly used en mass for a colourful carpet. Rotblum is a low growing evergreen with bronze-green wavy, rounded leathery leaves which turn bright red in autumn. In Spring towering red stems carry clusters of deep red pink funnel shaped flowers lasting from March to May. A valuable source of nectar for ...

Campanula glomerata Superba
€3.00
Clustered Bellflower Superba A large, attractive, rich purple clustered bellflower, sometimes known as Dane’s Blood, Campanula glomerata Superba is a low, fast-growing, rhizomatous, herbaceous perennial, forming a low mound, which will creep outwards, of ovate, slightly toothed, mid-green leaves. From June to August, upright stems carry clusters...

Carex testacea Prairie Fire
€6.00
New Zealand Sedge Prairie Fire Grown for its striking colour and dense, upright, arching habit, Carex testacea Prairie Fire is a small, clump-forming, evergreen, perennial grass, particularly good in containers. In good light, the slender leaves are olive-green flushed with deep orange-bronze and tipped with orange, turning orange-red in autu...
Crocosmia Emberglow

Crocosmia Emberglow
€8.00
Montbretia Emberglow A richly-coloured, imposing plant for the late summer garden, Crocosmia Emberglow is a clump-forming, cormous, deciduous perennial with a strongly upright habit and gracefully arching, branching flower stems above the narrow, pleated, mid-green leaves. The trumpet-shaped flowers, 2-3”/5cm long, are borne in two rows; they ar...