Iris 'Thruppence' (MTB)
iris 'Thruppence'
A miniature, tall bearded iris with fans of lance-shaped, grey-green leaves. In mid-spring it produces dark yellow flowers. The lower fall petals are cream-white, faintly veined with red-brown, edged in yellow and sporting a bright yellow 'beard'. Height around 38cm (15in)
Size
Ultimate height
0.1–0.5 metresTime to ultimate height
2–5 yearsUltimate spread
0.5–1 metresGrowing conditions
Moisture
Well–drainedpH
Acid, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Yellow Cream | Green | ||
|---|---|---|---|---|
| Summer | Green | |||
| Autumn | Green | |||
| Winter |
Position
- Full sun
Aspect
South–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H7Botanical 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
- 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
How to grow
Cultivation
Grow in well-drained, acid to neutral soil in full sun. Leave thick rhizome roots exposed on the soil surface when planting. See bearded iris cultivation
Propagation
Divide in summer after flowering, see dividing irises
Suggested planting locations and garden types
- City and courtyard gardens
- Cottage and informal garden
- Gravel garden
- Mediterranean climate plants
- Flower borders and beds
Pruning
No pruning required. Cut back stems after flowering finishes
Pests
Diseases
May be susceptible to aphid-borne viruses, bacterial soft rot and grey moulds; see Iris diseases
Get involved
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.