How to Grow Star of Bethlehem
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Star of Bethlehem
Ornithogalum narbonense
flowerStar of Bethlehem is a spring-blooming bulb that produces delicate, star-shaped white flowers with green stripes on the backs of the petals. This Mediterranean native grows 12-18 inches tall and creates striking displays when planted in clusters. It is a long-lived perennial that naturalizes well in gardens and is excellent for borders, containers, and cut flowers.
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Example Star of Bethlehem timeline · Pittsburgh, PA (Zone 6b)
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Plant Star of Bethlehem
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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First Star of Bethlehem blooms
Mid-to-late summerBefore the first fall frost (≈ Nov 8)
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Growing Conditions
Soil
Growing Zones
Find your zone →Zones 5-9; prefers cooler climates but adapts to warmer regions with afternoon shade
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Dormancy & Root Development
3-4 monthsBulbs are planted in fall and develop roots over winter while remaining dormant underground.
Plant bulbs in October-November in cool climates. Ensure good drainage to prevent rot. Mulch lightly after planting.
Emergence & Vegetative Growth
3-4 weeksIn late winter to early spring, narrow green leaves emerge from the soil and grow upward.
Remove mulch gradually as growth begins. Water moderately if spring is dry. No fertilizer needed yet.
Budding
2-3 weeksA central flower stem extends upward with buds forming at the top in a dense raceme.
Water consistently but do not overwater. Provide support with stakes if plants are in windy locations.
Flowering
3-4 weeksStar-shaped white flowers with green-striped backs open in succession along the stem, creating a striking spike of blooms.
Deadhead spent flowers to encourage longer blooming. Water at soil level to keep flowers dry. Stake tall varieties if needed.
Seed Development & Dormancy
4-6 weeksFlowers fade and seed pods develop; foliage begins to yellow and die back as the plant prepares for dormancy.
Allow foliage to yellow naturally before cutting back (feeds the bulb). Stop watering as foliage dies. Remove old flower stems.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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and
Hand-pick, use copper tape barriers, or apply neem oil. Encourage natural predators like ground beetles.
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Ensure excellent drainage to prevent rot that attracts mites. Remove and destroy infested bulbs. Dust with sulfur if needed.
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Plant bulbs deeply and in well-draining soil. Remove infested bulbs. Avoid injuring bulbs during handling.
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and
(fungal)
Improve drainage, ensure soil is well-aerated, and avoid overwatering. Remove and destroy affected bulbs.
Uses
Ornamental Only
CulinaryStar of Bethlehem is not edible and should never be consumed. All parts are toxic if ingested. [source]
Traditional Medicine
MedicinalIn some traditional medicine systems, Ornithogalum has been used as a remedy for various ailments, though modern scientific evidence is limited and the plant contains cardiac glycosides that can be toxic. [source]
Cut Flowers & Floral Arrangements
HouseholdStar of Bethlehem is prized for cut flower work and floral design due to its long vase life, delicate appearance, and elegant star-shaped blooms. The flowers are popular in spring bouquets and wedding arrangements. [source]
Dried Flowers
CraftThe flowers dry well and can be used in dried flower arrangements, pressed flowers, and botanical crafts when preserved properly. [source]
Pollinator Support
WildlifeEarly spring blooms provide valuable nectar and pollen for emerging bees, butterflies, and other pollinators when few other flowers are available. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Cut flowers in early morning when fully open, leaving at least 3-4 leaves on the plant to photosynthesize for next year's blooms. Flowers last 7-10 days in a vase. For cut flower arrangements, harvest when first flowers in the raceme are opening. Do not harvest all foliage or dig bulbs until foliage has completely yellowed.
Fun Facts
- 🌱 The common name 'Star of Bethlehem' comes from the distinctive star-shaped white flowers and the plant's historical association with the Middle East, though modern ornamental varieties originate from the Mediterranean region.
- 🌱 Ornithogalum narbonense produces bulblets around the mother bulb, naturally multiplying over time and creating larger colonies in favorable conditions—a process called naturalization.
- 🌱 The genus name Ornithogalum comes from Greek words meaning 'bird's milk,' referring to the white, milky appearance of the flowers, and this plant has been cultivated in European gardens since the 16th century.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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