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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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Geranium sanguineum 'Little Bead'

Geranium sanguineum 'Little Bead'£5.00

AGM syn. Geranium sanguineum 'Nanum'.
Very low growing form for well drained soil in full sun. Slow. 10cm.


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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 'Rich Echoes'

Kniphofia 'Rich Echoes'£5.00

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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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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Molinia caerulea ssp. caerulea 'Variegata'

Molinia caerulea ssp. caerulea 'Variegata'£4.50

Reliable creamy leaves striped green. Purplish flowers to 60cm.


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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 alopecuroides 'Red Head'

Pennisetum alopecuroides 'Red Head'£4.50

AGM. An impressive modern American selection makes clumps of bright green arching leaves and masses of upright dark reddish bottlebrush-like flowers to 75cm in autumn. Sun, good soil.


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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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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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Primula 'Lady Greer'

Primula 'Lady Greer'£4.00

AGM. A delightful little primrose hybrid with neat clumps of leaves and masses of light yellow flowers in spring on stems to 20cm. Good soil in light shade.


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Primula japonica 'Postford White'

Primula japonica 'Postford White'£5.00

Brilliant white flowers on strong stems to 45cm on this hardy, deciduous primula for good soil in shade.


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Salvia 'Nachtvlinder'

Salvia 'Nachtvlinder'£4.50

AGM. Luxurious deep purple flowers all summer and autumn on this excellent, hardy, shrubby sage. Slightly suckering so able to survive colder winters. Drained soil in sun. 60cm.


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Salvia 'Royal Bumble'

Salvia 'Royal Bumble'£4.50

AGM Rich luxuriant red flowers of a good size on this fairly hardy shrubby sage with equally deep green leaves. Well drained soil in full sun for best results. 60cm.


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Salvia nemorosa 'Caradonna'

Salvia nemorosa 'Caradonna'£4.50

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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Salvia x jamensis 'Javier'

Salvia x jamensis 'Javier'£4.50

AGM Low bushy plants covered in bluish light purple flowers throughout the summer. An unusual colur and it really stands out. Drained soil in full sun. 50cm.


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Sedum spurium 'Schorbuser Blut'

Sedum spurium 'Schorbuser Blut'£4.00

AGM Low growing mats of reddish foliage and bright purplish flowes in summer. Best in well drained soil and full sun. 15cm.


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Solidago rugosa 'Fireworks'

Solidago rugosa 'Fireworks'£5.50

AGM A stunning and well behaved Golden Rod with purple flushed foliage, best in full sun. Open, elegant heads of long narrow branches covered in yellow flowers in late summer. 1.2m. Average to good soil.


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Stipa gigantea 'Gold Fontaene'

Stipa gigantea 'Gold Fontaene'£8.00

AGM A selection from Ernst Pagels with larger bronze-gold panicles up to 50cm long on 2.5m tall stems. Rather more imposing than the species. Can reflower in autumn. Drained soil in sun.


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Page 2 of 3:    55 Plants