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Hyacinthus Twin Pearl - Garden Hyacinth

Hyacinthus x orientalis Twin Pearl
Common Hyacinth, Garden Hyacinth

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This garden hyacinth produces superb clusters of double flowers, in a deep blue, ideal for enhancing borders and creating beautiful flower pots. This strongly scented variety blooms from late March to early April in the garden, and will flourish in the heart of winter at home if forced. By combining it with white, yellow or orange varieties, it allows for the creation of stunning scenes, as colourful as they are contrasting.
Flower size
15 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 October to November
Recommended planting time September to December
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Flowering time March to April
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Description

Hyacinthus orientalis 'Twin Pearl' is a hybrid hyacinth with fully double flowers, in a deep blue tending towards violet, pleasantly scented. Its beautiful clusters of star-shaped flowers in intense colours bloom from the end of March, or in April depending on the climate. This highly ornamental bulb is perfect for borders as well as flower beds, where it happily combines with lighter-coloured varieties to create stunning floral compositions.

The Oriental Hyacinth, a slender botanical species with small spikes of blue flowers, is no longer widely cultivated. It originated in the Middle East and Mediterranean regions. However, it has given rise to countless cultivars called Dutch Hyacinths, highly appreciated in gardens for their delightfully fragrant spring flowering or in floristry for their forcing ability. 


Formerly classified among the Liliaceae, the genus Hyacinthus is now part of the Asparagaceae family, like asparagus, as well as Agave and Yucca. This plant has a large oval bulb and forms a clump of narrow, elongated, shiny green leaves. From March, a sturdy flower stem, 20cm (8in) long, emerges from the clump of leaves. It is covered with numerous small, fully open star-shaped flowers. Carried by short peduncles, the corollas that form a dense cluster measuring 8 to 10cm (3 to 4in) in diameter and about fifteen in length consist of 2 or 3 groups of petals. These small double flowers have a slightly purplish blue colour, reminiscent of certain bellflowers... Highly fragrant, the flowering is melliferous and attracts butterflies. It is accompanied by deciduous foliage, disappearing in summer and reappearing in late winter. It consists of bright green leaves, 15 to 35cm (6 to 14in) long. The hyacinth reaches a height of 25-30cm (10-12in) at maturity.

Highly appreciated for its early flowering, the hyacinth is one of the few bulbs with large flowers. The 'Twin Pearl' Hyacinth can be grown both in flower borders and in pots or vases. When planted in the ground, it will renew itself for several years, while in a pot, it will only last one season. Plant it in groups to create a mass effect and to create stunning scenes, combine it with other early bulbs such as Tripartite Daffodils whose lemon yellow flowers will contrast vividly with 'Twin Pearl's purplish blue. White or yellow Crocuses will also be good companions in this regard, as well as the small Urumiensis Tulips, a dwarf botanical species with yellow star-shaped flowers. In the background, plant low-growing shrubs that flower early to add volume to your flower bed. Chaenomeles speciosa 'Yukigoten' is a Japanese Quince that blooms with beautiful double white flowers at the same time as your Hyacinth. And to create a third vegetation zone, plant a Stachyurus praecox behind it, a charming and unfairly overlooked shrub that produces strings of small yellow bells early in the season and whose foliage takes on stunning colors in autumn.

Plant habit

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

Flowering

Flower colour blue
Flowering time March to April
Inflorescence Cluster
Flower size 15 cm
Fragrance Fragrant, Floral
Bee-friendly Attracts pollinators
Good for cut flowers Cut flower blooms

Foliage

Foliage persistence Deciduous
Foliage colour medium green
Foliage description Deciduous foliage in summer and autumn.

Botanical data

Genus

Hyacinthus

Species

x orientalis

Cultivar

Twin Pearl

Family

Asparagaceae

Other common names

Common Hyacinth, Garden Hyacinth

Origin

Cultivar or hybrid

Planting and care

The 'Twin Pearl' Oriental Hyacinth thrives in the sun. You can also place it in a semi-shaded area. When grown in a pot, keep it away from drafts. Plant it from October to November, 10cm (4in) deep in a cool, light, and well-drained soil. If the soil is heavy, add sand during planting. The bulbs should be spaced 4 to 8cm (2 to 3in) apart. In very harsh climates, cover with litter to protect from extreme cold.
After flowering, when the leaves turn yellow and wither and you have cut off the faded flowers, dig up the bulbs and store them in a dry place until they are replanted in the following autumn. The second flowering will be less abundant, but still rewarding in a mass planting. Reserve a special place in the garden for hyacinths, as they are one of the few bulbs with large flowers that bloom early. Avoid excessive water in winter to prevent diseases such as gray rot. Other than that, this bulbous plant is resistant to diseases.

Planting period

Best planting time October to November
Recommended planting time September to December
Planting depth 10 cm

Intended location

Suitable for Meadow, Woodland edge
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, deep, fertile soil.

Care

Pruning instructions Remove the fruits formed after flowering to avoid bulb exhaustion.
Pruning Pruning recommended once a year
Pruning time May
Soil moisture Dry soil, Moist soil
Disease resistance Very good
Overwinter Can be left in the ground

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