Hedera hibernica ‘Deltoidea’ - Irish Ivy
Thick, cordate leaves, sometimes almost triangular.
Composed of 3 small, well-rounded lobes, with the 2 lobes at the base overlapping. Blade dark green, turning almost black in winter.
Slow-growing, it should be reserved for small areas or potted for its natural bonsai form.
This variety was awarded the Garden Award of Merit (AGM) by the Royal Horticultural Society in 2002.
From 5.90 €
Description
Irish ivy - Hedera hibernica ‘Deltoidea’ 'Deltoidea' 'Deltoidea' 'Deltoidea' 'Deltoidea' 'Deltoidea’
In a nutshell
Irish ivy, Hedera hibernica ‘Deltoidea’, The leaves are thick, cordate and sometimes almost triangular.
They are made up of 3 small, well-rounded lobes, with the 2 bases of the base overlapping. The leaf blade is dark green, turning almost black in winter. Slow-growing, it is best reserved for small areas or in pots for its natural bonsai form.
It is also known as ‘darling ivy’ or ‘shield ivy’ because of the shape of its leaves.
This variety has been awarded the Garden Award of Merit (AGM) by the Royal Horticultural Society.
History
This cultivar is already old. It dates back to at least 1872, and was first described by Hibbert.
Technical leaflet - Hedera hibernica 'Deltoidea' (Hedera hibernica 'Deltoidea')'
Botanical information
- Family: Araliaceae
- Genre : Hedera
- Species : hibernica
- Cultivar : ‘Deltoidea’ (Deltoidea)’
- Synonyms: ‘Cordata’, ‘Sweetheart’, ‘Bowle's Shield’, ‘Hastata’.’
- Pierot classification: heart-shaped ivy
- Foliage stage: juvenile
- Origin of the species: Europe, on the Atlantic coast, from Portugal to Scotland
- Origin of cultivar: United Kingdom towards the end of the 19th century
Description of Hedera hibernica ‘Deltoidea’
- Port : stocky
- Number of lobes: 0 to 3 lobes in general, well rounded
- Leaf length: 6 to 10 cm
- Leaf width: 8 to 10 cm
- Colour of leaf: dark green
- Colour variation: tinted purple in winter outdoors
- Apex: obtuse, one of the most rounded in the genus
- Base: deeply cordate, sometimes with overlapping basal lobes
- Colour of veins: green, low contrast
- Colour of stem and petiole: green
- Hair: stellate, small
Planting, cultivation and care instructions for Hedera hibernica ‘Deltoidea’
- Exposure: shade, part shade, sun
- Hardiness: -15°C
- Soil moisture: cool soil
- Soil PH: neutral, calcareous or acidic
- Soil type: all
- Soil richness: ordinary or humus-bearing
- Use: ground cover, climber, pot, bonsai
- Development: moderate to slow
- Pruning: once a year
- Pests: very rare (spider mites, mealy bugs)
- Diseases: very rare (leaf spots)
A page from my little ivy encyclopaedia
All about the health of my ivy
Black spot disease
Ivy is virtually disease-free, especially when grown outdoors on vertical supports. Indoors, or as ground cover in damp conditions, diseases such as black spot can sometimes occur.
Causes :
This disease is caused by a fungus (Phyllosticta hedericola). It mainly affects Hedera colchica, but can also be found on Hedera helix.
Symptoms :
Symptoms take the form of circular reddish patches, which turn greyish as they dry out, resembling a crust and measuring between 5 and 15 mm in diameter. Small black spots can then be seen in the centre of the spots. A yellow halo may surround the spot.
Treatment :
As a preventive measure, ensure good air ventilation around the ivy and avoid watering the foliage. Destroy affected leaves by burning them. If necessary, apply a copper-based treatment.
Black spot disease (Source :
https://bladmineerders.nl/parasites/fungi/dikarya/ascomycota/pezizomycotina/dothideomycetes/pleosporomycetidae/pleosporales/didymellaceae/boeremia/boeremia-hedericola/)
Ivy in literature
“The ivy leaves rustled under Elizabeth's fingers as she scanned the horizon.”
Harper Lee, Don't shoot the mockingbird«
Additional information
| Weight | N/A |
|---|---|
| Stock of 1-litre cups and pots | 11 to 20 pots |
| Stock 2 or 4 litre containers | 21 to 50 containers |
| Large stock items | 0 big topic |
| General appearance | Compact, Staggered, Stocky |
| Type of foliage and colour | Atypical, Red in winter, Green |
| Possible uses | Bonsai, Ground cover, Climber, Pots or planters |
| Exhibition | Part shade, Shade, Sun |
| Hardiness | Good hardiness |
| Easy to grow | Easy |
| Speed | Slow |
| Vigorous development | Modest |
| Classification according to the Pierot system | Heart-shaped |
| Reward obtained | RHS Garden Merit Award |
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