• AGM plants

    AGM plants have been through a rigourous trial and assessment programme. They are:

    • Excellent for ordinary use in appropriate conditions
    • Available to buy
    • Of good constitution
    • Essentially stable in form & colour
    • Reasonably resistant to pests & diseases

Iris 'Welch's Reward' (MTB)

Iris 'Welch's Reward'

Iris 'Welch's Reward'

© � RHS

  • Other common names Iris 'Welch's Reward'

  • Synonyms Iris 'Welch's Reward'

  • Genus Iris may be rhizomatous or bulbous perennials, with narrowly leaves and erect stems bearing flowers with 3 large spreading or pendent fall petals, alternating with 3 erect, often smaller, standard petals, in late winter, spring or early summer

  • Family Iridaceae / Iridaceae

  • Species 'Welch's Reward' is a compact perennial to 50cm, with up to 7 flowers, the standards pale, creamy-yellow with a deeper sheen, the falls dark red edged with light yellow

  • Horticultural Group Miniature Tall Bearded irises are rhizomatous perennials to 65cm tall, with flowers to just 8cm across, bearded on the falls, in spring or early summer

Characteristics

  • Foliage Deciduous

  • Habit Clump-forming

  • Toxicity Ingestion may cause severe discomfort

Colour

Sunlight

  • Full Sun

  • Aspect South-facing or East-facing

  • Exposure Exposed or Sheltered

Soil

  • Chalk

    Loam

  • Chalk

    Sand

  • MoistureWell-drained

  • SoilLoam, Sand

  • pHAcid, Neutral

Size

  • Ultimate height

    0.1-0.5 metres

  • Ultimate spread

    0.1-0.5 metres

  • Time to ultimate height

    2-5 years

How to grow

Cultivation Grow in well-drained, fertile, neutral to slightly acid loam in full sun

Propagation Propagate by division of rhizomes from midsummer to early autumn

Suggested planting locations and garden types Flower borders and beds Wall-side Borders City & Courtyard Gardens Coastal Cottage & Informal Garden

How to care

Pruning Remove any dying foliage in autumn, old flower stems can be cut down after flowering

Pests May be attacked by slugs, snails and thrips

Diseases May be subject to iris rhizome rot, a leaf spot and a virus

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