• AGM plants

    AGM plants have been through a rigorous 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 'Alida' (Reticulata)

iris 'Alida'

  • Other common names iris 'Alida'

  • Family Iridaceae

  • Genus Iris may be rhizomatous or bulbous perennials, with narrow 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

  • Horticultural Group Reticulata irises are small, bulbous perennials with narrow leaves almost square in section, and solitary, sometimes fragrant purple, yellow or blue flowers in early spring

  • Details 'Alida' is a dwarf, bulbous perennial, to 15cm in height, with narrow, erect leaves. Flowers appear in late winter to early spring and are pale-blue, with each fall marked with a central yellow band edged with white and dark-blue speckles

Characteristics

  • Foliage Deciduous

  • Habit Tufted

  • Fragrance Flower

  • Toxicity Ingestion may cause severe discomfort

  • Hardiness

    Hardiness ratings

    All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

    • H1a - Under glass all year (>15C)
    • H1b - Can be grown outside in the summer (10 - 15)
    • H1c - Can be grown outside in the summer (5 - 10)
    • H2 - Tolerant of low temperatures, but not surviving being frozen (1 to 5)
    • H3 - Hardy in coastal and relatively mild parts of the UK (-5 to 1)
    • H4 - Hardy through most of the UK (-10 to -5)
    • H5 - Hardy in most places throughout the UK even in severe winters (-15 to -10)
    • H6 - Hardy in all of UK and northern Europe (-20 to -15)
    • H7 - Hardy in the severest European continental climates (< -20)

    H7

Colour

Sunlight

  • Full Sun

  • Aspect West-facing or South-facing or North-facing or East-facing

  • Exposure Exposed or Sheltered

Soil

  • Loam

    Loam

  • Sand

    Sand

  • Chalk

    Chalk

  • MoistureWell-drained, Moist but well-drained

  • SoilLoam, Sand, Chalk

  • pHAlkaline, Neutral

Size

  • Ultimate height 0.1-0.5 metres

  • Ultimate spread 0-0.1 metre

  • Time to ultimate height 2-5 years

How to grow

Cultivation Grows best in full sun in well-drained soil, or in a bulb frame

Propagation Lift and divide bulbs in early autumn; see bulb propagation

Suggested planting locations and garden types Flower borders and beds Garden Edging Cottage & Informal Garden Patio & Container Plants City & Courtyard Gardens Gravel Garden Rock Garden

How to care

Pruning No pruning required

Pests Susceptible to damage by slugs and snails, aphids, iris sawfly and leaf miners

Diseases Iris ink disease, leaf spot, rust diseases and virus diseases may occur; see iris diseases

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