How to Grow Star of Bethlehem
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Star of Bethlehem
Ornithogalum umbellatum
flowerStar of Bethlehem is a bulbous perennial producing delicate white star-shaped flowers with green stripes on the reverse of petals. It blooms in spring and naturalizes well in lawns and garden beds, spreading readily once established. The plant is admired for its elegant, symmetrical flower clusters and ability to multiply over time.
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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
Around Jun 16≈ 60 days after planting
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Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 3-9, with best performance in zones 4-8
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Dormancy
3-4 monthsBulbs remain underground in late summer through fall, storing energy for spring growth.
Plant bulbs in fall (September-November in most zones). Ensure excellent drainage to prevent rot. Mulch lightly after planting.
Emergence
2-3 weeksThin, grass-like green leaves emerge from the soil as temperatures warm in early spring.
Remove any winter mulch. Monitor for slugs and snails. No fertilizer needed at this stage.
Flowering
3-4 weeksMultiple stems produce umbels of 10-20 white, star-shaped flowers with green stripes, opening in mid to late spring.
Enjoy the blooms. Deadhead spent flowers to encourage longer flowering if desired, though self-seeding is desirable for naturalization. Avoid overwatering.
Seed Development
4-6 weeksAfter flowering, seed pods develop if flowers are left unpollinated. Foliage continues to photosynthesize.
Leave foliage in place to feed the bulbs for next year's bloom. Avoid mowing if naturalizing. Allow soil to gradually dry out.
Senescence
3-4 weeksLeaves yellow and die back as the plant stores energy in the bulb for dormancy.
Allow foliage to completely yellow before removing. Reduce watering as leaves fade. The bulbs split to form multiple new bulbs.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Hand-pick, use beer traps, apply copper barriers, encourage natural predators like ground beetles
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Ensure good drainage and air circulation, discard affected bulbs, apply sulfur dust to stored bulbs before planting
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Remove and destroy affected bulbs, improve drainage, mulch lightly
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and
Use bulb cages or hardware cloth at planting depth, apply capsaicin-based repellents, maintain good sanitation
Uses
Traditional Bulb Use
CulinaryIn some Mediterranean and Middle Eastern cultures, the small bulbs have been traditionally consumed as a food source, though this use is now mainly historical. The bulbs are occasionally pickled or roasted. [source]
Traditional Medicine
MedicinalOrnithogalum umbellatum has been used in traditional herbalism for respiratory and digestive complaints, though scientific evidence is limited. Historical use includes preparations from the bulbs and flowering tops. [source]
Cut Flowers and Arrangements
HouseholdThe delicate white star flowers are excellent for spring bouquets, woodland arrangements, and naturalized garden displays. They last well in water and add elegant symmetry to floral compositions. [source]
Pollinator Support
WildlifeStar of Bethlehem provides early spring nectar and pollen for bees, hoverflies, and other beneficial insects emerging from winter dormancy. The flowers are particularly valuable in early spring when few other blooms are available. [source]
Garden Naturalization
CraftThe plant's ability to self-seed and multiply makes it ideal for creating naturalized spring displays in lawns, meadows, and wild garden areas. Once established, it requires minimal maintenance while providing reliable annual color. [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 stems for bouquets in the morning when flowers are freshly opened. Harvest with clean scissors, cutting at the base of the stem. Leave at least 2-3 leaves on each plant to support bulb development. Flowers last 1-2 weeks in a vase with fresh water. For seed collection, allow flower clusters to fully dry on the plant, then collect seed pods and store in cool, dry conditions.
Fun Facts
- 🌱 The common name 'Star of Bethlehem' references the star-shaped white flowers and the biblical connection, as the plant is native to the Mediterranean region near Bethlehem. In some regions, it's also called 'Sleepy Dick' because the flowers close on cloudy days and at night.
- 🌱 Ornithogalum umbellatum is highly prolific and can become invasive in suitable climates, spreading aggressively through self-seeding and bulb multiplication. In some areas, it's classified as a noxious weed and is actively managed to prevent takeover of natural areas.
- 🌱 The plant contains cardiac glycosides and cardenolides, compounds similar to those found in digitalis, making all parts potentially toxic if ingested. Livestock have been poisoned by grazing on Ornithogalum species, earning it the nickname 'Sleepy Dick' in agricultural communities.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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