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RHS Award of Garden Merit

RHS Award of Garden Merit logo

The Award of Garden Merit (AGM) issued by the Royal Hoticultural Society (RHS) helps gardeners find reliable, consistent plants that will provide particularly good value in the garden.The award is granted after trials at the RHS’ garden at Wisley in Surrey and/or assessment at specialist collections or discussion at meetings. There is a set list of criteria that plants have to meet to be deemed worthy of the AGM. For more information on the AGM please visit the RHS Website.

Nursery owner, Tim Fuller, has been involved with judging the trials at RHS Wisley since 2008.

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Helianthus 'Lemon Queen'

Helianthus 'Lemon Queen'£6.50

Beautiful lemon yellow daisies from August to October on tall, strong and generally upright stems. Good soil in sun. 2.1m.


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Ipheion 'Alberto Castillo'

Ipheion 'Alberto Castillo'£4.00

AGM Glorious shining white flowers over clumps of grey foliage from midwinter throughout spring. Well drained soil in full sun. Even better in a porch or cold greenhouse. 15cm.


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Iris 'Berlin Tiger'

Iris 'Berlin Tiger'£5.00

Probably a hybrid of I. pseudacorus this makes dense clumps of foliage to 80cm. Masses of pale yellow flowers with fine brown netting in early summer.


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Kniphofia 'Bee's Sunset'

Kniphofia 'Bee's Sunset'£6.00

AGM Neat clumps bearing masses of glowing yellow-orange flower spikes in summer to 80cm. Dark stems add to the effect. Drained but good soil in full sun for best flowers.


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Kniphofia 'Incandesce'

Kniphofia 'Incandesce'£5.00

AGM Splendid flaming spikes of bright coral-orange buds that don't fade as they open until they are going over giving a small cream section at the base of the head. Sun, drained soil. 1m.


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Kniphofia 'Rich Echoes'

Kniphofia 'Rich Echoes'£6.50

AGM Warm bronzed orange buds open to clear yellow flowers on distinctive dark stems. A stand out plant in the Wisley Trial. Neat clumps flowering July-September, 75cm. Drained soil in sun.


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Lathyrus latifolius

Lathyrus latifolius£5.50

A lovely perennial sweet pea with large flowers of bright pink, pastel pink or white in summer. Scrambling/climbing, for ordinary soil in sun. 1.8m.


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Libertia chilensis

Libertia chilensis£5.00

AGM Clouds of elegant bright white flowers in summer over clumps of stiff, iris-like foliage. Evergreen. Drained, good soil in sun. 50cm.


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Miscanthus sinensis 'Flamingo'

Miscanthus sinensis 'Flamingo'£6.00

A very popular form with lots of pink flowers which turn silvery buff on a mid-size plant to 1.5m. Average to good soil in sun.


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Miscanthus sinensis 'Morning Light'

Miscanthus sinensis 'Morning Light'£6.50

An elegant variegated form with an upright clump forming habit and fine foliage with white margins. Excellent and airy height for mixing into formal borders or naturalistic gardens. Good soil in sun. 1.5m.


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Nepeta racemosa 'Walker's Low'

Nepeta racemosa 'Walker's Low'£4.50

AGM Not as dwarf as the name suggests! A classic form of catmint well suited to the traditional edging of large herbaceous borders or formal paths where a billowing cloud of lavender blue flowers all summer is required. Drained soil in sun. 60cm.


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Ophiopogon planiscapus 'Nigrescens'

Ophiopogon planiscapus 'Nigrescens'£5.00

The classic black grass. Ideal for tubs and containers as well as edging borders etc. Strappy black foliage and short spikes of mauve flowers followed by black, pearl-like, berries. Decent soil in shade or part shade.


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Osteospermum 'Weetwood'

Osteospermum 'Weetwood'£4.50

AGM Pure white daisies over greyish foliage making a low, rather sprawling plant for the front of the border. Hardy in a warm sunny spot with good drainage. 30cm high, 60cm spread.


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Pennisetum villosum

Pennisetum villosum£4.50

Low clumps of greyish foliage and masses of over-the-top creamy caterpillar-like flowers from midsummer till the frosts. Well drained soil in sun. 45cm.


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Petrorhagia saxifraga

Petrorhagia saxifraga£4.50

A mat forming perennial of almost leafless stems producing masses of palest pink, near white, starry flowers from spring til autumn. Drained soil in sun or part shade. 30cm.


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Phlox paniculata 'Uspekh'

Phlox paniculata 'Uspekh'£4.50

AGM An excellent older Russian selection with good, healthy, deep green foliage with a purple flush. Good heads of strongly scented purple flowers with a white star in late summer. Mildew resistant. Good soil in full sun, 1m.


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Platycodon grandiflorus blue

Platycodon grandiflorus blue£4.00

AGM Clump forming Campanula relative with lax stems of greyish-green leaves and balloon-like buds opening to wide bells of blue flowers. Decent soil in sun or light shade. 40cm.


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Platycodon grandiflorus pink

Platycodon grandiflorus pink£4.00

AGM Clump forming Campanula relative with lax stems of greyish-green leaves and balloon-like buds opening to wide bells of pale pink flowers. Decent soil in sun or light shade. 40cm.


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Polystichum setiferum

Polystichum setiferum£4.50

AGM Soft Shield Fern. Semi-evergreen and excellent for it's clumps of soft green foliage that's tolerant of quite dry shade. 60cm.


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Pulmonaria 'Blue Ensign'

Pulmonaria 'Blue Ensign'£4.50

AGM One of the best blue flowered forms with the rich, royal blue flowers shown off to good effect by the clumps of deep green leaves. Usually deciduous. 20cm. Good soil in part shade or shade.


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Rudbeckia fulgida var. deamii

Rudbeckia fulgida var. deamii£4.50

AGM A less common but more refined relative of 'Goldsturm'. Taller and more elegant slightly lighter yellow flowers in summer and autumn to 75cm. Easy in ordinary soil in sun.


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Rudbeckia fulgida var. speciosa

Rudbeckia fulgida var. speciosa£4.50

AGM Glorious glowing orangey yellow daisies on upright stems to 80cm over clumps of narrow leaves. Best in sun and a drained but not too dry soil.


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Salvia 'Blue Spire'

Salvia 'Blue Spire'£6.00

AGM An outstanding subshrub with silvery stems, greyish green leaves and spires of bright blue flowers to 1.2m. Drained soil in sun. Syn. Perovskia


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Salvia microphylla 'Cerro Potosi'

Salvia microphylla 'Cerro Potosi'£6.50

AGM Brilliant glowing magenta pink flowers on a bushy plant to 60cm. Leafier than some types. For a well drained soil in full sun and a sheltered position.


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Salvia nemorosa 'Caradonna'

Salvia nemorosa 'Caradonna'£5.00

Neat upright bushy plants with deep blue flowers on dark, blackish stems. Hardy perennial for drained soil in full sun. 40cm.


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Page 2 of 3:    58 Plants