Order your professional Ornithogalum bulbs
Bulbiverse , a specialist wholesale supplier of Ornithogalum bulbs , offers a carefully selected range for plant professionals. Buying your Ornithogalum bulbs means investing in a high-yielding, long-flowering product with excellent disease tolerance. Our bulbs come from specialized nurseries and are carefully calibrated to guarantee uniform, high-quality flowering. You benefit from producer prices , volume-based discounts , and fast, careful delivery throughout France . Our responsive sales department will assist you with personalized advice on choosing the right species for your market. Order now to secure your Ornithogalum bulb needs. Take advantage of our producer prices or request your free quote today.
Botanical characteristics and commercial advantages of Ornithogalum
Ornithogalum umbellatum L. belongs to the Asparagaceae family and includes 100 to 150 species of herbaceous bulbous plants, mainly native to Eurasia and Africa. This perennial bulbous plant forms tufts of linear basal leaves and has a globose tunic bulb that is particularly resistant to dehydration and mechanical injury, thus facilitating its transport and conservation for professionals.
The commercial size of the bulbs generally varies between 4 and 14 cm in circumference, with an average diameter of 4 to 6 cm and a height of 3 to 6 cm depending on maturity. The basal foliage is linear to narrow lanceolate, displaying a glossy texture and a dark to medium green coloration with a pronounced white midrib . These leaves can reach up to 30 cm in length, forming an erect rosette at the base of the plant.
Ornithogalum flowers have a characteristic star-shaped shape with 6 symmetrical tepals, hence their common name "Star-of-Bethlehem". Each flower measures between 2 and 5 cm in diameter . The dominant color is pure white, often with a longitudinal green streak on the outer surface of the tepals. The flowers are grouped in inflorescences bearing 5 to 20 flowers depending on the species, on flower stems that can reach 30 cm for some species and up to 1 meter for others. The floridity and excellent vase life of Ornithogalum make it a popular choice for cut flowers and ornamental arrangements.
Varietal range for professional production
The genus Ornithogalum offers a diversity of cultivars suitable for various professional uses, with selection criteria based on color, height and precocity.
Ornithogalum dubium - Varieties with colorful flowering
Native to South Africa, this species is prized for its vibrantly colored cultivars. 'Orange Star' offers a bright orange color and a compact size of 25 to 30 cm, ideal for growing in pots. The 'Fire Star' variety has an even more pronounced orange. These varieties are often forced in greenhouses in winter for the cut flower market and are distinguished by their excellent vase life. They have limited hardiness, not tolerating temperatures below -7°C .
Ornithogalum umbellatum - Lady of Eleven
Native to central and southern Europe, this species is characterized by white flowers on a flower stem about 30 cm tall . It is hardy and can survive in temperate zones (USDA zone 6-11).
Ornithogalum thyrsoides – Star of Bethlehem
This species produces pure white flowers ranging from 30 to 50 cm in height. It blooms from late winter to early spring, producing robust flower stems that are highly valued as cut flowers.
Ornithogalum arabicum - Premium variety
This semi-hardy Mediterranean species is known for its white inflorescences with a very decorative black heart . Its height varies between 60 and 80 cm. It flowers from May to July and is particularly prized for high-end bouquets thanks to its flower size and its good vase life.
Ornithogalum saundersiae - Extended flowering
It is distinguished by a remarkably long flowering period, from June to October (4-5 months) . Its star-shaped flowers, white with a dark center, are arranged in spherical clusters at the top of stems that can reach 100 cm in height.
Planting calendar and techniques
Respecting the planting schedule and adequate depths is fundamental to ensure the vigor and flowering of Ornithogalum in professional cultivation.
Optimal planting periods
For spring-flowering Ornithogalum, the optimal planting period is from September to October, during the fall. For summer-flowering Ornithogalum, planting is recommended from March to April, in the spring.
Technical depths and spacings
Planting depth follows the general rule of three times the height of the bulb . For most professionally grown Ornithogalum species, a depth of 8 to 10 cm below the soil surface is recommended. Ornithogalum umbellatum requires a greater depth of 20 cm for the base of the bulb . Ornithogalum dubium is an exception, requiring planting under only 2 cm of soil , ideally at the top of a small mound.
Plant spacing between each plant is 10 to 15 cm to avoid nutrient competition. For Ornithogalum arabicum, a planting density of 10 bulbs per square meter is optimal, with a recommended planting distance of approximately 20 cm between each bulb. For maximum visual impact, it is suggested to plant the bulbs in groups of at least 5.
Cultural requirements and technical management
Soil characteristics and drainage
Ornithogalum thrives in well-drained soil , whether clayey-stony or sandy, rich but never waterlogged. For Ornithogalum umbellatum, clayey soils with low organic matter are particularly recommended. Ornithogalum dubium prefers rich, clayey but well-draining soil; an optimal mixture consists of 1/3 potting soil, 1/3 garden soil and 1/3 coarse sand . The ideal soil pH is in the slightly acidic to neutral range, between 6.0 and 7.0 .
Drainage is the most crucial factor in preventing bulb rot. To improve the permeability of heavy soils, adding gravel or coarse sand is recommended, or planting on a mound.
Light exposure management
Ornithogalum requires abundant light, with a preference for full sun to partial shade. One to two hours of direct sunlight per day is recommended for quality growth. Ornithogalum dubium specifically requires 3 to 4 hours of daily sunlight . Moderate temperatures, between 16.7°C and 21.7°C , combined with strong light, are optimal for its development.
Irrigation and fertilization program
Irrigation should be adapted to the plant's growth cycle. During the growth and flowering phase (winter-spring), Ornithogalum requires high humidity, the soil should be kept slightly moist but never soggy. For Ornithogalum dubium, biweekly watering is recommended during flowering. During the summer dormancy phase, after the foliage has yellowed, watering should be greatly reduced or even stopped.
Ornithogalum is not very demanding in terms of fertilization, preferring even soils relatively poor in organic matter. A specific fertilizer for bulbs is recommended after flowering, as long as the foliage remains green. A light application of a balanced slow-release fertilizer (NPK 5-10-10) can be made at planting (20-30g/m²). For indoor cultivation, fertigation with an NPK formula of 17:10:27 can be applied.
Winter protection and mulching
Mulching is beneficial for Ornithogalums in the ground. Mulch thickness varies depending on the severity of the winter: 8 to 10 cm for cold regions, and 5 to 6 cm for moderate winters. For heavy soils, mineral mulch (gravel, pozzolan) is preferable to improve drainage.
Less hardy varieties, such as Ornithogalum dubium (-7°C max) or Ornithogalum caudatum (-2°C), must be overwintered frost-free, ideally in a cool, dry place between 5 and 10°C . More hardy species can remain in the ground if the soil is perfectly drained.
Flowering calendar and time management
The flowering period of Ornithogalum varies depending on the species, allowing for an extended floral presence over several seasons.
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Ornithogalum umbellatum: Spring flowering in April-May, foliage disappearing in summer
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Ornithogalum dubium: Flowers in late winter and early spring, lasts about a month indoors
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Ornithogalum arabicum: Flowering from May to July, covering the spring-summer period
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Ornithogalum saundersiae: Exceptionally long flowering from June to October (4 to 5 months)
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Ornithogalum ponticum 'Sochi': Pure white star-shaped flowers in early summer
The average flowering time for an Ornithogalum species can vary from 4 to 8 weeks in a clump , and can extend from 1 to 3 months if the plant produces several flower stems. This longevity is a major asset for cut flower professionals.
Landscaping applications and professional uses
Integration into the developments
Ornithogalum offers great versatility in professional landscaping. In flowerbeds, it is recommended to plant the bulbs at a depth of 10 to 15 cm with a minimum spacing of 10 cm between bulbs. Arranging them in groups of 10 to 15 bulbs creates a much-appreciated dense effect. In borders, Ornithogalum effectively defines spaces thanks to its upright habit. In rock gardens, it brings a touch of spring freshness to mineral compositions. In pots, it offers possibilities for varied floral arrangements with prolonged flowering lasting several weeks.
Naturalization potential
Ornithogalum stands out for its strong naturalization potential, making it a sustainable investment for long-term landscaping projects. The plant propagates naturally by forming bulbils around the main bulb. A single planting can thus give rise to several generations of plants, providing perennial blooms for many years without major intervention.
Cut flower performance
Ornithogalum is a cut flower of choice for professionals. Its flower stems are thick and robust, reaching 50 to 80 cm for Ornithogalum thyrsoides. Floribundity, with 10 to 50 flowers per cluster for Ornithogalum thyrsoides, and the extended flowering period are major advantages for marketing.
Recommended plant associations
For complementary aesthetic effects, Ornithogalum is ideally combined with tulips, daffodils, and grape hyacinths, which share concurrent flowering periods (March-May) and similar requirements. Smaller Allium species also create striking color contrasts. For cultural complementarity, drought-tolerant summer groundcover perennials can take over the visual slack after Ornithogalum's summer dormancy.
Ecological contribution and biodiversity
Ornithogalum plays a significant role in promoting biodiversity and ecosystem balance. A member of the Asparagaceae family, this bulbous plant is a pollinating resource that can attract pollinators such as honeybees and various wild pollinating insects.
For communities and large public spaces, Ornithogalum represents a very suitable solution thanks to its ease of maintenance, its low water requirements after flowering, and its tolerance to heat and sunny exposures. The inflorescences, which can reach up to 80 cm to 1 meter in height , offer a striking visual effect, ideal for large public spaces. Ornithogalum is also a plant of choice for water-saving landscaping (xeriscaping).
Advanced technical aspects for professionals
Hardiness management and climate adaptations
The hardiness of Ornithogalum varies depending on the species. Ornithogalum dubium cannot tolerate temperatures below -7°C and must be overwintered in cold climates. Ornithogalum narbonense and Ornithogalum nutans can withstand temperatures down to -10°C in the ground, provided the soil is well-drained. In very harsh winters, a planting depth of 10 to 15 cm protects the bulbs, supplemented by a thick mulch of 8 to 10 cm.
Multiplication and renewal
Vegetative propagation by bulbils is the most effective method for professionals. Ornithogalum naturally produce 2 to 5 bulbils per year around the main bulb. These bulbils, once separated and replanted, can flower in 1 to 2 years. To maintain vigor and flowering quality, division of the clumps is recommended approximately every 3 years .
Yields in commercial production
For Ornithogalum arabicum, each bulb typically produces 1 to 3 flower stems . With a planting density of 10 bulbs per square meter, a yield of 10 to 30 flower stems per m² can be anticipated. Flowering can last from 1 to 3 months if the plant produces multiple flower stems, increasing yield over the production period.
Forcing and growing under cover
Ornithogalum lends itself excellently to greenhouse forcing for off-season flowering. Optimal conditions include moderate temperatures ( 16.5°C to 21.5°C ) and high light. The production schedule involves planting the bulbs in autumn, a 6-8 week chilling period, followed by an 8-12 week forcing cycle.
For pot cultivation, 7 cm containers can accommodate 1 bulb, 10 cm pots, 3 bulbs, and 12 cm pots, 5 bulbs. The substrate must be very draining (horticultural soil enriched with 30% perlite), with an optimal pH of 5.5 to 6 .
Health management and prevention
Ornithogalum is generally hardy, but the most common risk is bulb rot , caused by excess moisture or poorly drained soil. The main diseases include Fusarium, Botrytis, and Pythium fungi. Mealybugs are the main pests, especially under cover.
Preventive measures are essential: perfect drainage, crop rotation, good aeration and spacing of plants, moderate watering, and disinfection of equipment. A healthy bulb should be firm, without spots or unpleasant odor. Yellowing leaves can indicate nitrogen or iron deficiency, while browning of the tips can indicate overfertilization or water stress.
To summarize: Our Ornithogalum bulbs
As a specialist wholesale supplier of Ornithogalum bulbs , Bulbiverse offers products perfectly suited to the requirements of landscape, cut flower and pot growing professionals. Our range covers several botanical species such as Ornithogalum umbellatum , dubium , arabicum and thyrsoides , each with specific uses: winter flowering, cold resistance, excellent vase life, remarkable floriferousness and drought tolerance. Thanks to a controlled size, our Ornithogalum bulbs ensure uniform growth and long-lasting flowering, including in greenhouses. Professionals appreciate their ease of planting, their compatibility with forced cultivation and their ability to naturalize. We guarantee consistent quality, from controlled crops and short supply chains. Buying Ornithogalum bulbs means investing in profitable production, adapted to the expectations of professional markets. Bulbiverse , a specialist wholesale supplier of Ornithogalum bulbs, allows you to buy Ornithogalum bulbs with confidence thanks to our technical expertise, personalized advice, and advantageous commercial conditions. You can buy Ornithogalum bulbs in large quantities, while benefiting from local service. For all your projects, call on a specialist wholesale supplier of Ornithogalum bulbs like Bulbiverse. Don't wait any longer to buy Ornithogalum bulbs from a reliable partner. Finally, Bulbiverse remains your specialist wholesale supplier of Ornithogalum bulbs for successful and sustainable plantings.
