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Hyacinthus x orientalis Red Diamond

Hyacinthus x orientalis Red Diamond
Common Hyacinth, Garden Hyacinth

5,0/5
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exquisite, colourful, fragrant, unique

Aurore, 15/04/2023

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This plant carries a 6 months recovery warranty

More information

A very beautiful variety of hyacinth with double flowers, adorned with a rich red-pink colour, emitting an enchanting fragrance. This bulbous plant is long-lasting if the soil remains dry in summer. It can be adopted both in the garden, in fertile and well-drained soil, and in a pot for winter flowering indoors. Outside, it blooms in March or April depending on the climate.
Flower size
20 cm
Height at maturity
25 cm
Spread at maturity
10 cm
Exposure
Sun, Partial shade
Hardiness
Hardy down to -15°C
Soil moisture
Dry soil, Moist soil
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Best planting time June to July
Recommended planting time October to November
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Flowering time March to April
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Description

The Hyacinthus orientalis 'Red Diamond' is a hybrid hyacinth that will charm with its intense red-pink colour and the sweet scent of its double flowers. Its triangular star-shaped flowers make up a well-supplied spike that will remain in bloom for 2 or 3 weeks. A bit elusive, the voluptuous and highly floral scent of hyacinths lingers in the garden on calm, warm days. It rises from the soil like a mist, seemingly coming from nowhere.

 

While the Oriental Hyacinth is no longer widely cultivated, this species native to the Middle East and Mediterranean regions has given rise to countless highly appreciated cultivars in gardens for their delightful spring flowering or in floristry for their forcing ability. This botanical species, well adapted to dry summer soils, can be found naturalized in France in Bouches-du-Rhône, Var, Alpes-Maritimes, and Lot-et-Garonne. Hyacinths belong to the family Hyacinthaceae or Asparagaceae, depending on the classification.

The 'Red Diamond' hyacinth has a large oval bulb, in which its reserves are stored. In spring, it produces a tuft of ribbon-like leaves of a very bright green. Then, in March-April, a robust flowering stem, 20-25 cm (8-10in) tall, emerges, carrying numerous double flowers, star-shaped and tightly packed together, with a thick, translucent substance, whose colour is intermediate between dark pink and red. They emit a sweet scent. The foliage is deciduous in summer; it reappears in late winter.

 

Among early bloomers, the hyacinth is one of the few bulbs with large flowers. Reserve a prime spot for it in the garden, not far from the entrance of the house or the terrace, to enjoy its scent with every passing. In addition to its fragrance, it will bring spectacular splashes of colour to your borders, among euphorbias or alchemillas with their very spring-like green. Hyacinths can easily be paired with other early bulbs such as Chionodoxas, Ipheions, hybrid crocuses, or early-flowering Tulipa humilis. Their flowers are edible, raw or cooked, and have a slightly mucilaginous texture. Depending on your preferences, you can crystallize them with sugar or incorporate them into fruit salads. In the past, they were considered a delicacy and could be found under the name "candied hyacinths of Constantinople."

Hyacinthus x orientalis Red Diamond in pictures

Hyacinthus x orientalis Red Diamond (Flowering) Flowering
Hyacinthus x orientalis Red Diamond (Plant habit) Plant habit

Plant habit

Height at maturity 25 cm
Spread at maturity 10 cm
Growth rate normal

Flowering

Flower colour red
Flowering time March to April
Inflorescence Cluster
Flower size 20 cm
Fragrance Very fragrant, sweet, floral, fresh
Bee-friendly Attracts pollinators
Good for cut flowers Cut flower blooms

Foliage

Foliage persistence Deciduous
Foliage colour medium green

Botanical data

Genus

Hyacinthus

Species

x orientalis

Cultivar

Red Diamond

Family

Hyacinthaceae

Other common names

Common Hyacinth, Garden Hyacinth

Origin

Cultivar or hybrid

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Planting and care

Plant in October or November by burying the bulbs at a depth of 8 to 10 cm (3 to 4in) and with a spacing of 15 or 20 cm (6 or 8in). The soil should be deep, fertile, slightly acidic, neutral, or slightly alkaline, but well-drained. The plant appreciates well-decomposed fertilizers and light, dry soils in summer. It dreads waterlogged soils in winter. In very harsh climates, cover with mulch to protect from extreme cold. Flowering occurs from February to April-May, depending on the varieties. After flowering, wait for the leaves to turn yellow and wither before digging up the bulbs, which will be stored in a dry place until replanting in the following autumn. Hyacinths can survive in the ground during winter if the temperature does not drop below -15°C (5°F) and the soil is permeable. The second-year flowering will generally be less beautiful than the first, but still very acceptable for border decoration. Container cultivation is possible, following the same cultivation method, ensuring that the plant does not lack water during the growing season. 

Planting period

Best planting time June to July
Recommended planting time October to November
Planting depth 10 cm

Intended location

Suitable for Meadow
Type of use Border, Edge of border, Container
Hardiness Hardy down to -15°C (USDA zone 7b) Show map
Ease of cultivation Beginner
Planting density 20 per m2
Exposure Sun, Partial shade
Soil pH Any
Soil moisture Dry soil, Moist soil, Well-drained soil, deep, dry in summer.

Care

Pruning instructions Prune the spike of faded flowers to prevent the bulb from exhausting itself producing seeds.
Pruning Pruning recommended once a year
Pruning time April
Soil moisture Dry soil, Moist soil
Disease resistance Very good
Overwinter Can be left in the ground
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