Welcome to the Supergarden section of GroMór, where we have EXCLUSIVE extra footage of judge Gary Graham talking about his favourite plants in each episode, the list of plants used, a behind the scenes look at how the garden was made, and more!

Siobhan Keogh Plant List

Featured Plants:


Cortaderia Selloana ‘Pumila’ Pampas Grass

This south American native is a perennial, evergreen grass with a compact shape, perfect for a small garden. It produces creamy-white plumes in late summer, to a height of 1.2 m. Plant in full sun, in a well drained soil. Height and width – 1m.

Delphinium ‘Astolat’

‘Astolat’ produces tall spires of pink flowers in different shades in May and June. They are tall plants, and add structure and height to flower beds. Grow these perennials in full sun in a fertile, well drained soil. Height – eventual 1.8m, spread 60cm.

Dicksonia ‘Antarctica’ soft tree fern

D. antarctica is a shade loving evergreen tree fern, but which may lose its leaves in colder areas’ It grows slowly up to height of 3m,. Plant in a shady, moist but well drained soil. Height 3m, spread 2m.

Lupinus ‘Gallery Blue’

Gallery Blue produce tall spires of purple blue flowers in June and July. This perennial works well in both in beds and pots. Plant in full sun or part shade, in a well drained fertile soil. Bees love them! Height 50cm, spread 30cm.

Miscanthus sinensis ‘Gracillimus’

Gracillimus’ is a sun loving compact, clump-forming deciduous grass with arching leaves green and white leaves which produces purple flowers in late summer. Grow in moist but well drained soils. Height 1m, spread 75cm.

Nandina Domestica ‘Sacred Bamboo’

N. domestica is a small evergreen upright shrub that resembles a bamboo. It bears small white flowers in summer followed by red berries. Grow in full sun, in moist but well drained soils. Height and spread – 1m.

Pittosporum Tenuifolium ‘Golf Ball’

‘Golf Ball’ is an evergreen shrub with bright green leaves, which as it names suggests has a growth habit which produces a rounded shape up to 1m in diameter. Grow in full sun or partial shade, in a well drained moist soil. Height and spread – 1m.

Scabiosa Columbaria ‘Pink Mist’

‘Pink Mist’ is a herbaceous perennial which grows up to 30cm tall, with lacy foliage which is covered with pink flowers from early summer up until autumn. Grow them in full sun in a well drained soil. Height and spread -30cm.

Other Plants:

  • Acacia Dealbata
  • Agapanthus Umbellatus ‘Ovatus’
  • Amelanchier Lamarcki
  • Armeria Pseud. ‘Ballerina White’ – Alpine
  • Helleborus Harvington Pink Speckled
  • Helleborus ‘Mollys White’ – Herbaceous
  • Luzula Sylvatica – Grass
  • Magnolia Stellata – Magnolia
  • Miscanthus ‘Ferne Austen’
  • Panicum Virgatum ‘Squaw’
  • Pennisetum Alopecuroides
  • Stipa Tenuissima ‘Pony Tails’ – Grass
  • Stipa Tenuissima ‘Pony Tails’ Cmr
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