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Dianthus plumarius Heidi

Dianthus x plumarius Heidi
Garden Pink, Cottage Pink, Grass Pink, Carnation

4,3/5
2 reviews
1 reviews
1 reviews
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Dianthus plumarius, arrived in excellent health, is eagerly awaiting the flowering.

PHILS, 26/12/2023

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More information

A beautiful perennial forming a compact and carpet-like grey clump, adorned with delightful red double flowers. It stands out for the pronounced fragrance of its very long summer flowering. An adorable evergreen, ideal for flower beds, sunny borders, rockeries, and containers.
Flower size
4 cm
Height at maturity
25 cm
Spread at maturity
30 cm
Exposure
Sun
Hardiness
Hardy down to -29°C
Soil moisture
Dry soil
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Best planting time March to April
Recommended planting time March to May
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Flowering time June to September
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Description

Dianthus plumarius 'Heidi' is a sweet william that displays a long flowering period from June to September. Its flowers are fully double and intensely red. It stands out for its pronounced fragrance. Particularly suitable for container gardening due to its small size and floribundity, it is also an excellent perennial for sunny borders, where it forms persistent cushions of beautiful grey-blue even in winter.

 

Dianthus 'Heidi' belongs to the Caryophyllaceae family. It is one of the many cultivars resulting from the cross-breeding of D. plumarius and D. caryophyllus. D. plumarius is a European perennial that is the main ancestor of the different groups of sweet williams, both old-fashioned and modern. D. caryophyllus is Mediterranean and has passed on to its descendants its wonderful clove fragrance and its good tolerance to calcareous and dry soils. This sweet william has a fairly rapid growth rate. Its mature size will not exceed 25cm (10in) in height with a spread of 30cm (12in), or even more. This sweet william forms a dense clump. From June to September, 4 to 5cm (2in) wide double flowers with slightly serrated petals emerge at the end of short, often branched stems. Its linear, glabrous, pointed, evergreen, and leathery leaves are of a superb grey-blue colour.

 

Dianthus 'Heidi' is a very pretty plant for patios or balconies. It is hardy to at least -15°C (5°F). It is undemanding in terms of water, but is sun-loving. It will thrive in well-drained borders, embankments, and rockeries. Its beautiful fragrant flowers bring undeniable charm to even the humblest decor. For example, it can be placed in front of other white, pink, or bicoloured carnations ('Devon Dove', 'Cranmere Pool', 'Devon Cream', 'Letitia Wyatt', 'Whatfield Gem'), or to accompany the blue bells of campanulas, the lavender-blue mosses of catmints, small lavenders, or flowering cushions such as helianthemums, silenes, wall bellflowers, Caucasian rockcress, Phlox subulata, Erigeron karvinskianus, and Geranium sanguineum. To evoke gardens of the past, a small border of these delightful carnations can be planted at the base of peony clumps and old roses. This plant forms a lovely display between the stones of a wall or paving, in a trough or in a container.

Dianthus plumarius Heidi in pictures

Dianthus plumarius Heidi (Flowering) Flowering
Dianthus plumarius Heidi (Foliage) Foliage
Dianthus plumarius Heidi (Plant habit) Plant habit

Flowering

Flower colour red
Flowering time June to September
Inflorescence Solitary
Flower size 4 cm
Fragrance Fragrant, sweet, spicy.
Good for cut flowers Cut flower blooms

Foliage

Foliage persistence Evergreen
Foliage colour grey or silver

Plant habit

Height at maturity 25 cm
Spread at maturity 30 cm
Growth rate fast

Botanical data

Genus

Dianthus

Species

x plumarius

Cultivar

Heidi

Family

Caryophyllaceae

Other common names

Garden Pink, Cottage Pink, Grass Pink, Carnation

Origin

Cultivar or hybrid

Product reference888391

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Planting and care

Plant Dianthus 'Heidi' in ordinary, dry, light and permeable, humus-rich or gravelly soil that is preferably limestone. It likes moist but well-drained soil. Gravel-rich soil gives good results. In the ground, this plant is quite hardy, resistant to temperatures as low as -15°C (5°F). It prefers a very sunny exposure. Prune some of the foliage with shears after flowering to maintain a dense habit. In poor soil, it will be useful to apply a balanced fertiliser in March. It is useful to divide the clumps every 3 years to rejuvenate those whose base is thinning. You can propagate using layering or by taking cuttings.

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Planting period

Best planting time March to April
Recommended planting time March to May

Intended location

Suitable for Meadow, Rockery
Type of use Border, Edge of border, Container, Slope
Hardiness Hardy down to -29°C (USDA zone 5) Show map
Ease of cultivation Beginner
Planting density 5 per m2
Exposure Sun
Soil pH Neutral, Calcareous
Soil type Chalky (poor, alkaline and well-drained), Silty-loamy (rich and light), Stony (poor and well-drained)
Soil moisture Dry soil, Well-drained

Care

Pruning instructions Remove faded flowers regularly to promote a repeat flowering. In rich soil, prune some of the foliage with shears after flowering to maintain a dense habit.
Pruning Pruning recommended once a year
Pruning time May to August
Disease resistance Very good
Overwinter Can be left in the ground
4,3/5
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