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Duo Ismenes

Hymenocallis Blanche, Sulphur Queen

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Collection contains 2 plants

  • 1 x Hymenocallis festalis Blanche
  • 1 x Hymenocallis festalis Sulphur Queen - Spider Lily

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This plant carries a 6 months recovery warranty

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Two varieties of Hymenocallis prized for their fragrant flowers with an exotic appearance. The Ismene festalis Blanche displays magnificent white flowers, while those of the Ismene Sulphur Queen are a sulphur yellow. These floriferous bulbous plants bloom in summer. They prefer well-drained soil and a sunny exposure. Whether in a pot, vase, or flower bed, they offer a striking visual spectacle. Plant their bulbs near the house, in large pots, on the terrace, or even directly in the ground in  frost-free coastal regions.
Exposure
Sun
Hardiness
Hardy down to -4°C
Soil type
Silty-loamy (rich and light)
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Best planting time March to April
Recommended planting time March to May
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Flowering time June to August
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Collection items (2 plants)

  • Hymenocallis festalis Blanche

    Price per single item: 4,90 €
    Find out more
  • Hymenocallis festalis Sulphur Queen - Spider Lily

    Price per single item: 4,90 €
    Find out more

Description

The Ismenes Duo, comprised of the Ismene festalis 'Blanche' and the Ismène 'Sulphur Queen', provides a stunning summer display with its exotic and alluring flowers. These Hymenocallis varieties are known for their large fragrant blooms: pristine white for the Ismene festalis and sultry sulfur yellow for the Ismène 'Sulphur Queen'. Their lush, lance-shaped foliage, with its deep green and glossy appearance, forms a rich basal cluster from which emerge exquisitely elegant flowers carried on long stems. These bulbous plants, boasting an upright and graceful habit, can grow up to 60 cm in height and can tolerate brief frosts of around -5°C. Flourishing in rich, well-drained, neutral, or slightly acidic soil, which remains moist from spring to autumn, they are often best cultivated in pots, allowing you to keep them close at hand and enjoy their beauty and fragrance.

Description of Individual Varieties in the Duo:

  • x 1 Ismene festalis 'Blanche': This variety is characterised by its radiant and pure white flowers, reminiscent of exotic stars. Its delicate fragrance and summer blooming make it an enchanting choice for romantic gardens and floral arrangements.

  • x 1 Ismène 'Sulphur Queen': With its sulphur yellow blossoms, this variety adds a touch of warm and vibrant colour to any setting. The flowers exude a faintly spicy fragrance.

Planting and Care Instructions:

Spring is the optimal season for planting the Duo Ismenes. These bulbs thrive in sunny locations in the garden or on the terrace. They can be planted in flowerbeds, borders, and especially in large pots that will be shielded during winter. To achieve a cohesive and colourful effect, we recommend planting them in clusters, spacing each plant about 20 to 30 cm apart. Plant the bulbs at a depth of 10 to 15 cm. Given their similar stature, these varieties can be arranged without considering height, creating a harmonious mass effect. For a dense and vibrant display, plan for 6 to 8 plants per square metre.

Companion Planting Suggestions:

The Duo Ismenes pairs harmoniously with Agapanthus 'Blue Triumphator', whose blue flowers provide a striking contrast to the white and yellow blooms of the Ismenes. Consider placing the latter in the background for added depth. Additionally, Lavenders 'Hidcote' offer both fragrance and complementary colour and can be positioned in the foreground. Mix in Salvia 'Caradonna' with its violet floral spikes to create an effect of varied colours and textures.

Plant habit

Height at maturity 50 cm
Growth rate normal

Flowering

Flower colour two-tone
Flowering time June to August
Fragrance Fragrant
Bee-friendly Attracts pollinators
Good for cut flowers Cut flower blooms

Foliage

Foliage persistence Deciduous
Foliage colour green
Foliage description Foliage, basal, in a spreading tuft, composed of broad ribbon-like leaves of a glossy green.

Botanical data

Genus

Hymenocallis

Cultivar

Blanche, Sulphur Queen

Family

Amaryllidaceae

Botanical synonyms

Hymenocallis

Origin

Cultivar or hybrid

Planting and care

Plant your Ismene bulbs after the last frost, in a sunny location, at a depth of 10-15 cm, spacing them 10 to 30 cm apart. The soil should be deeply worked and enriched with compost. Throughout the growing season, the plant should not lack water, but the soil should not be waterlogged either. Ismenes are sensitive to frost. In coastal, Mediterranean, or very mild oceanic areas, you can leave the bulbs in the ground, taking care to mulch them. In cold regions, the bulbs should be dug up in autumn before the first frosts and stored in a cool, dry place. You can also grow them in pots (1 bulb per 15 cm pot, with the top of the bulb just above the soil) in good quality compost that you regularly fertilise, and tqke the pots outdoors at the end of spring, protecting them from frost in winter. They multiply spontaneously by producing bulblets near the mother bulb.

Planting period

Best planting time March to April
Recommended planting time March to May
Planting depth 12 cm

Intended location

Suitable for Meadow
Type of use Border, Edge of border, Container, Greenhouse
Hardiness Hardy down to -4°C (USDA zone 9b) Show map
Ease of cultivation Experienced
Planting density 8 per m2
Exposure Sun
Soil pH Acidic, Neutral
Soil moisture Moist soil, Rich, light, humus-bearing

Care

Pruning No pruning necessary
Soil moisture Moist soil
Disease resistance Average
Overwinter Needs protection

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