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Clump Forming

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Agapanthus africanus 'Albus'

A beautiful pure white African Lily, Agapanthus africanus 'Albus' is a popular evergreen perennial. The glossy, strap-shaped leaves form large clumps, above which umbels of white flowers appear on tall stems in late summer. Making a graceful prescence in the garden, grow…  More Info

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Bamboo (Black)

…free, with outstanding architectural presence! Graceful towering stems turn from dark green to lustrous polished black, by their third year. Clump forming and non invasive, the Oriental Black Bamboo forms a striking evergreen focal point for borders and large…  More Info

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Heuchera 'Can Can'

This compact, clump forming perennial forms a dense mound of purple-red leaves which are intricately marbled with slate-grey veins. The foliage of Heuchera 'Can Can' is deeply ruffled giving glimpses of the bright purple underside of each leaf.  More Info

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Geranium Censation™ 'Kora'

…unusual and eye-catching colour. Exquisite mauve blue flowers, with bright white centres, rise above the palmate foliage in late spring. This clump forming hardy perennial makes a lovely choice for the front of perennial borders, woodlands edges or meadow plantings.…  More Info

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Hemerocallis 'Everyday Lily Series'

…Although the blooms last for just a day, they are borne so profusely that you will enjoy fresh blooms every single day for months on end! These free flowering hardy perennials have a compact, clump forming habit. Superb in sunny borders and patio containers. Height:…  More Info

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Uncinia rubra 'Everflame'

…bronzed foliage with scarlet margins, which persists throughout the winter months in a fiery year round display. This vibrant Red Hook Sedge is a clump forming hardy perennial that will creep gently around damp areas of the garden. Height: 30cm (12). Spread: 35cm (14)…  More Info

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Carex comans 'Bronze Perfection'

…of your borders. With arching, evergreen foliage in a striking shade of bronze, it will provide year round interest and colour. With a neat, clump forming habit, this beautiful sedge is suited to growing in patio containers, or dotted through borders and rockeries. A…  More Info

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Alchemilla mollis 'Thriller'

…has the cupped green leaves that gather raindrops and'frothy'lime green flowers'but it's more upright with larger foliage.'Ladys Mantle has a clump forming spreading habit so'it will provide ground cover or border edging and the honey scented flowers will attract…  More Info

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Geranium oxonianum 'Claridge Druce'

…vigorous spreading habit, and so is useful as a weed-suppressing ground cover. Pollinating insects love its nectar-rich blooms, and ?Claridge Druce? is a well-known variety that will happily self-seed, forming new clumps throughout your borders in coming years. Height…  More Info

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Carnation 'Crimson Rim'

…back to the Carnations of yesteryear. The pristine white blooms are delicately edged in raspberry red for a classic and elegant appearance. This clump forming hardy perennial is easy to grow and undemanding, and makes a stunning cut flower too Supplied as plug plants.…  More Info

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Carex morrowii 'Ice Dance'

…that really catches the eye. Come late spring, it is also adorned with small, white flower spikes. A hardy perennial grass with a dense and clump forming habit, it is perfect for patio containers, the front of borders and rockeries. This evergreen grass needs little…  More Info

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Centaurea dealbata

…from midsummer, irresistible to butterflies and pollinating insects. Centaurea dealbata quickly forms dense clumps of large, ornately cut foliage. Planted en masse they knit together to form fabulous swathes of ground cover. A fuss-free perennial that?s perfect…  More Info

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Heucherella Trailing Mix

…vibrant leaf colour of Heuchera combine with the pretty foliage shapes of Tiarella to give the best characteristics of both parents. Evergreen and clump forming with a loose trailing habit - these hardy perennials are perfect for year round colour in baskets, window…  More Info

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Hosta fortunei var. aureomarginata

…solution as they can cope with dry shaded borders or moist, damp and dark borders. Hosta fortunei var. aureomarginata is quick growing and clump forming so you'll soon be rewarded with a display of weatherproof, ribbed leaves that are edged with golden yellow followed…  More Info

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Anemone x hybrida 'Honorine Jobert'

…to October. The flowers are held high on thin, yet strong, wiry stems which encourage them to quiver and waft in the late summer breeze. This anemone is easy to grow and the clump-forming attractive foliage will gradually spread, forming good ground cover. Height: 90cm (3'0)…  More Info

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Hemerocallis 'Black Magic'

Extraordinary, large, purple-black blooms with delicately crimped edges make this a real show-stopper! The dramatic blooms are produced on upright stems above slender, strap-like foliage. Hemerocallis ?Longfield?s Black Magic? is a reliable, easy to grow perennial with a neat, clump…  More Info

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Veronica 'Bubblegum Candles'

A recent introduction, Veronica spicata 'Bubblegum Candles' is a free-flowering variety that makes a fabulous patio plant. Short, pink flower spikes are borne in profusion throughout summer above the bright green foliage. This neat little perennial has a compact, clump-forming, spreading…  More Info

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Hellebore 'Single Gold Red'

Hellebore ?Single Gold Red' is enchanting with single flowers in two contrasting shades. Also known as the Christmas Rose, it's perfect for winter colour and interest in your borders when planted in the shade beneath trees and shrubs. The pretty, cup-shaped flowers will make an early…  More Info

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Bamboo 'Asian Wonder'

Bamboo 'Asian Wonder' is a wonderful new type of ?umbrella bamboo?. This clump-forming fargesia matures with crimson canes - don?t be afraid to remove some of the lower leaves to show them off! Easy to grow, and an ideal choice for an interesting garden screen, ?Asian Wonder? adds colour…  More Info

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Crocosmia 'Spitfire'

…the foliage tipped with sprays of fiery orange blooms that are flushed with gold. Narrow, sword shaped foliage forms an arching clump of leaves that will gradually spread to form a slowly wandering drift. Crocosmia ?Spitfire? is somewhat better behaved than…  More Info

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Pulmonaria 'Blue Ensign'

…that appear in large clusters from March to May. ?Blue Ensign? has unusually broad foliage, unspotted and more refined, creating low spreading clumps that form an attractive ground cover. Awarded an RHS AGM, this superb variety attracts pollinating insects with its…  More Info

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Lupin 'Chandelier'

…of soft yellow flowers appear in profusion from early summer on this delightful herbaceous perennial. The architectural, palmate leaves form bushy clumps and are the perfect addition to billowing cottage garden borders. Lupin 'Chandelier' look stunning grouped…  More Info

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Corydalis flexuosa 'Purple Leaf'

…in an eyecatching shade of blue. This Corydalis might look delicate, but it is tough and enjoys our cool English summer weather. Corydalis will spread to form clumps in a shady corners or border and flowering can last from late spring into the middle of summer. Height…  More Info

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Anemone sylvestris

A lovely little woodland perennial, Anemone sylvestris is a low-growing plant forming clumps of feathery green leaves. In late spring a profusion of nodding, scented white flowers with yellow centres appear, giving rise to the common name Snowdrop Anemone. As the flowers fade…  More Info

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Poppy 'Royal Wedding'

…petals and black blotches at the centre make this a winning variety in the garden. Poppy 'Royal Wedding' is a classy herbaceous perennial forming clumps of serrated hairy leaves and bearing its large flowers on tall slender stems which sway in the breeze. Flowering…  More Info

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Golden Lysimachia

This impressive hardy perennial forms clumps of tall slender stems, topped with sunny yellow flower spikes from mid-summer onwards. Golden Lysimachia is ideal for growing in moist perennial borders, bog gardens or pond margins and will thrive in difficult clay soils.…  More Info

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Lysimachia punctata

This impressive hardy perennial forms clumps of tall slender stems, topped with sunny yellow flower spikes from mid-summer onwards. Golden Lysimachia is ideal for growing in moist perennial borders, bog gardens or pond margins and will thrive in difficult clay soils.…  More Info

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Lysimachia punctata

This impressive hardy perennial forms clumps of tall slender stems, topped with sunny yellow flower spikes from mid-summer onwards. Golden Lysimachia is ideal for growing in moist perennial borders, bog gardens or pond margins and will thrive in difficult clay soils.…  More Info

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Gaura lindheimeri 'Rosyjane'

…a whole 5 months of summer colour! Gaura 'Rosyjane' is a true breeding innovation, producing large, pure white flowers that are edged in candy pink. Quick to establish and form clumps, indulge your cottage garden border with this star of the Chelsea Flower Show.…  More Info

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Commelina tuberosa

Native to Mexico, Commelina tuberosa has Intense blue flowers throughout the summer months, and will soon form a clump of these strikingly coloured flowers. A hardy perennial, the Dayflower will add interest and colour to your borders for many years to come, it enjoys a full…  More Info

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Pennisetum alopecuroides 'Hameln'

Pennisetum ?Hameln? sits quietly in the background during the early part of the year. Its slender arching foliage forms a neat clump that adds texture and movement to summer borders. July sees this ornamental grass transformed by an explosion of fluffy flower heads.  More Info

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Miscanthus sinensis 'Gracillimus'

If you are looking for an eye-catching grass to stand out in your borders, giving year-round interest then Miscanthus ?Gracilimus' will be an asset. It really comes into its own after a long hot summer, when the flower spikes are superb, with gorgeous, copper-coloured feathery plumes on…  More Info

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Pennisetum alopecuroides

Feathery panicles float above a dense clump of linear, evergreen leaves to form a cloud of ornamental seedheads. An undemanding grass that looks particularly effective in mixed borders. The fluffy seedheads can also be cut to make attractive dried flower displays. Height:…  More Info

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Pennisetum alopecuroides

Feathery panicles float above a dense clump of linear, evergreen leaves to form a cloud of ornamental seedheads. Pennisetum alopecuroides is an undemanding grass that looks particularly effective in mixed borders. The fluffy seedheads can also be cut to make attractive dried…  More Info

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Parsley (Flat Leaved)

…leaved varieties, Flat-leaved Parsley makes a useful culinary herb. Add it to soups, stews and a multitude of other dishes. This hardy biennial forms a clump of glossy foliage that can be harvested and used fresh or dried for later use. Grow it in the kitchen garden…  More Info

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Iris versicolor 'Mysterious Monique'

…versicolor 'Mysterious Monique? makes this a superb cut flower. This exquisite hardy perennial enjoys the moist, boggy conditions of a pond margin or water?s edge where it will form attractive clumps of slender, strap like foliage. Height: 75cm (30). Spread: 30cm (12)…  More Info

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Anemone tomentosa 'Serenade'

…tomentosa 'Serenade' produces semi-double pink flowers on slender stems from late summer through to autumn. The large, deep green leaves form dense clumps and once established, this charming windflower will spread to fill borders with late season colour. Growing well…  More Info

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Penstemon 'Garnet'

…over an exceptionally long period from early summer to autumn. Penstemon Garnet is a superb variety with a vigorous habit that will soon form large clumps of glossy evergreen foliage.These classic cottage garden plants are perfect for adding a touch of class to well…  More Info

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Dianthus 'Joy'

Awarded an RHS AGM, Dianthus 'Joy' produces lots of pastel pink, semi-double flowers over a long period throughout summer. Forming compact clumps of slender, grey-green leaves, this hardy evergreen perennial is an easy, low maintenance addition to the garden. Pinks are…  More Info

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Dianthus 'Mrs Sinkins'

…most modern varieties, Dianthus 'Mrs Sinkins' is well worth growing for it's reliablility and ability to fill a whole room with fragrance! Forming compact clumps of slender, grey-green leaves, grow Dianthus in cottage garden borders, patio containers, coastal gardens…  More Info

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Festuca glauca

…foliage is a beautiful silvery-blue colour, while its spiky, midsummer flowers have a green tint. Festuca glauca plants are easy to grow, forming neat clumps which rarely need maintaining. This grass looks great in rockeries and gravel gardens and the hardy perennial…  More Info

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Pennisetum x advena 'Rubrum'

Dark, burgundy foliage arches to form a neat clump, making an attractive feature in summer borders. From July, a profusion of long, fluffy, purple-red flower spikes rise above the glossy foliage. Pennisetum x advena 'Rubrum' is a fast growing variety that makes a spectacular…  More Info

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Oxalis Censation™ 'Double Pink Wonder'

…double, blush white flowers that contrast with their red picotee edges. Oxalis Censation™ 'Double Pink Wonder' is a low growing bulb, forming a spreading clump of triangular, clover-like foliage. Although perennial, this beauty is only half hardy. In…  More Info

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Phlox 'David'

…favourite, loved by pollinating insects and a useful plant for wildlife gardens. This vigorous variety puts on strong growth, quickly forming a pleasing clump in moist, sunny borders. A lovely addition to summer bouquets, popular with flower arrangers. Height: 80cm …  More Info

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Monarda Censation™ 'Confetti'

…have deliciously aromatic foliage and whorls of spidery blooms with tube shaped, curving petals. Bergamot is perfect for cottage garden borders where it will form dense clumps. The exuberant flowers are also great for a wildlife garden as they are loved by bees.…  More Info

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Astrantia major Censation™ 'Milano'

…a showy variety, boasting raspberry red blooms from early summer to early autumn. The foliage is glossy green and deeply divided, forming an attractive spreading clump. Loved by bees and butterflies, this hardy perennial is ideal for planting in wildlife areas or…  More Info

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Astilbe Censation™ 'Glitter & Glamour'

Astilbe Censation™ 'Glitter & Glamour' sends up large, frothy plumes of candy-floss pink flowers in summer. This elegant perennial forms a rounded clump of handsome, finely cut foliage. Perfect for damp borders, or the moist soil close to the edge of a pond, where it…  More Info

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Alstroemeria 'Summer Red'

This recent introduction is a particularly hardy variety with a true ?free-flowering? habit! Alstroemeria ?Summer Red? forms a dense clump of lush green foliage that contrasts perfectly with its bright, scarlet red blooms. A succession of long lasting flowers are borne…  More Info

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Agapanthus 'Fireworks'

…from July to September. Each white bloom is flushed at the base with dark, violet blue, making a dazzling contrast. The strap-like foliage forms a neat clump that creates good ground cover when planted in dense groups. Perfect for adding a strong vertical element to…  More Info

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Ophiopogon planiscapus 'Nigrescens'

This striking evergreen perennial forms clumps of smooth matt-black, grass-like leaves from which rise dainty stems of contrasting mauve flowers in summer. The bell-shaped blooms are followed by dark inky-blue berries which persist throughout winter for added interest. A…  More Info

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Umbrella Bamboo

…where it's dense foliage make it perfect for filtering out noise and pollution. Reaching over 2 metres in height, this elegant shrub easily forms clumps of gently bending green-yellow canes, whose shape gives it the name Umbrella Bamboo. Fargesia murieliae has a…  More Info

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Red Hot Poker 'Mango Popsicle'

…over an incredibly long period - from midsummer through to October! Part of the Kniphofia 'Popsicle series', Red Hot Poker 'Mango Popsicle' forms clumps of slender, evergreen grass-like leaves which remain neat and attractive throughout the seasons. With origins in…  More Info

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Lupin 'Russell Hybrids'

…the middle and back of borders or planted in groups at the edge of woodland areas. Tall spires of tightly packed flowers rise above clumps of palmate foliage to form a distinctive hardy perennial that requires no staking. This Lupin mix remains a traditional cottage…  More Info

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Epimedium rubrum

Also known as Red Barrenwort, Epimedium ?Rubrum? is a very hardy perennial that appears in spring with red tinted leaves that soon form a dense clump. As the leaves mature they slowly turn to a deep red colour for autum interest too. In late spring, delicate crimson red…  More Info

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Agapanthus 'Regal Beauty'

…head, this showy evergreen perennial makes a real feature plant in borders and patio containers. The evergreen, strap-shaped leaves quickly form large clumps before the flowers appear in late summer. Requiring some winter protection, this African Lily is best grown in…  More Info

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Eremurus x isabellinus 'Cleopatra'

…x isabellinus 'Cleopatra' is perfect for planting amongst low lying plants in cottage garden or contemporary style borders. Foxtail Lilies originate from Central Asia, and although exotic looking have good hardiness. It will form a dense clump once established. Height…  More Info

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Coreopsis verticillata 'Zagreb'

…Coreopsis verticillata 'Zagreb' produces hundreds of daisy-like golden yellow blooms throughout summer. This hardy herbaceous perennial forms bushy yet airy clumps of feathery leaves and well-branched flowering stems for maximum impact! Coreopsis verticillata 'Zagreb'…  More Info

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Chlorophytum saundersiae 'Starlight'

This elegant grass-like perennial forms a dense clump of slender, variegated foliage that shoot upwards before arching gracefully at the tips. Unlike its better known, house plant relative ? the Spider Plant, Chlorophytum saundersiae 'Starlight' is hardy to -5C (41F) making…  More Info

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Sage

…flavoured leaves. This hardy perennial is ideal for planting in the kitchen garden, or even in perennial borders, where it will slowly form an attractive, spreading clump. Height: 60cm (24). Spread: 90cm (36). Culinary information: Some parts of these flowers are…  More Info

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Dianthus 'Diane'

Dianthus 'Diane' has large, salmon-pink double blooms with a delicious clove fragrance. With a vigorous habit, this RHS AGM variety quickly forms clumps of slender grey-green leaves, and flowers over a long period throughout the summer. Also known as Pinks, these hardy…  More Info

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