Iris 'Sunshine' (Reticulata)

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A dwarf bulbous perennial, to around 15cm high, with narrow, upright green leaves. Flowers are bright yellow, with a darker yellow blotch on the fall petals. Flowers from late winter to early spring

Position

Full sun

Soil Types

Chalk, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0-0.1 metre

Size

Time to Maturity: 2–5 years
Max Spread: 0-0.1 metre
Max Height: 0.1-0.5 metres

Growing Conditions

Chalk Loam Sand

Moisture: Moist but well–drained or Well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun

Aspect: South–facing
Exposure: Sheltered
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 & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Iridaceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Clump forming
Potentially harmful: Harmful if eaten. Wear gloves and other protective equipment when handling. Pets: Harmful if eaten. For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
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
Name Status: Accepted
Horticultural Group

Horticultural Classification Codes

Horticultural Classification Codes are often given to genera which have a large number of species or cultivars. They are used to categorise cultivated plants based on specific, shared characteristics such as shape, colour, size or flowering time, and can be displayed as letters or numbers

For example:
Dahlia ‘Sunset Kate (Sin) = Single flower
Rosa ‘Marigold’ (HT) = Hybrid Tea: 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

How to Grow

Cultivation

Thrives in a sunny position, in most soils with good drainage. In drier soils, dig in well-rotted organic matter before planting, and mulch in spring. Feed after flowering to encourage bulb growth. See bulb iris cultivation

Propagation

Propagate by division, separating bulb offsets from midsummer to early autumn

Suggested planting locations and garden types

City and courtyard gardens
Cottage and informal garden
Patio and container plants
Rock garden
Flower borders and beds
Underplanting of roses and shrubs

Pruning

Remove spent flower stems in summer, and any dying foliage in autumn

Pests

May be susceptible to slugs, snails and thrips

Diseases

May be susceptible to leaf spots, ink disease, rust diseases, bulb rot and viruses; see Iris diseases for more details