Plant care
Giant Chincherinchee (Saunders' Star of Bethlehem) care
Ornithogalum saundersiae
Also called Saunders' Star of Bethlehem, Chincherinchee, African Wonder Flower.
Watering rhythm
10-14days
When the top 4-5 cm of soil is dry, roughly every 10-14 days during active growth
Light
Direct sun (at least 4-6 hours)
Soil
Well-drained, fertile loam or sandy soil
Humidity
40-60%
Temp
10-28°C
Pet safety
Toxic to pets
Mature size
75-100 cm tall with a spread of 30-45 cm
Care at a glance
Light
Giant Chincherinchee needs sun on the leaves, not just bright ambient room light. Needs full sun for strong stem development and profuse flowering. In cooler climates, maximise sun exposure by planting against a warm south-facing wall. Insufficient light produces weak, floppy stems. A south or west-facing windowsill in the northern hemisphere is the default; anywhere else, expect the plant to stretch and pale out within a season.
Watering
Water giant chincherinchee when the top 4-5 cm of soil is dry, roughly every 10-14 days during active growth. The actual day count varies with pot size, light, and season — the finger test (or lifting the pot to feel its weight) is more reliable than a fixed calendar. Empty any drainage saucer afterwards so the pot isn't sitting in water. Water moderately during the spring and summer growing season. Reduce after flowering and maintain near-dry conditions during winter dormancy. Excellent drainage is essential to prevent rot of the large bulbs.
Soil and pot
Giant Chincherinchee grows best in well-drained, fertile loam or sandy soil. Prefers a fertile but free-draining soil. Incorporate coarse grit into heavy soils at planting. Raised beds or sloped positions work well in rainy climates to ensure drainage. A pot with a working drainage hole is non-negotiable for this species — even free-draining mix will turn soggy in a closed planter. If you love the look of a decorative pot without a hole, use it as a cachepot around an inner nursery pot you can lift out to water.
Humidity and temperature
Giant Chincherinchee sits happiest at around 40-60% humidity and 10-28°C (50-82°F). Tolerates a wide humidity range. Adequate ventilation prevents fungal problems on the large, densely packed flower heads. No supplementary humidity required. If you keep the room above 10 year-round and avoid placing the plant near a cold draught, a hot radiator, or an air-conditioning vent, you have already handled the two biggest indoor stressors.
Fertilising
Feed giant chincherinchee sparingly. Apply a balanced slow-release fertiliser at planting and supplement with a liquid, high-potash feed every 3 weeks during active growth. Heavy feeding encourages large flower heads. Stop feeding when foliage begins to die back. Skip fertiliser entirely on a stressed, recently-repotted, or actively wilting plant — fertiliser salts make damage worse, not better. Wait for a round of healthy new growth before resuming a feeding rhythm.
Common problems
Below are the issues we see most often on giant chincherinchee in the Growli community. Each is annotated with the most common cause so you know where to start.
- Bulb rot — Large bulbs are particularly prone to rot in waterlogged conditions; plant in raised beds or free-draining soil and keep drainage excellent year-round.
- Stem collapse — Caused by overwatering or soft bulb rot at the base; check basal plate health when dividing and discard any mushy bulbs.
- Aphids on flower stems — Treat with insecticidal soap or a systemic insecticide before the flower buds open.
- Failure to flower in cool climates — Needs a long, warm summer; in the UK, grow in the warmest spot available or lift and store in a frost-free shed over winter.
- Thrips — Cause silvery streaking on flowers and leaves; treat with a suitable insecticide at first signs.
Companion plants
Giant Chincherinchee pairs well with Agapanthus, Allium, Eremurus, and Crocosmia. These are species with similar light and water needs, so you can group them in the same room or on the same shelf and water as a batch.
Propagation
Remove offsets from large bulbs in autumn and pot or replant individually. Seed germinates readily but takes 3-4 years to produce flowering-size bulbs. Propagation is the cheapest, most satisfying way to expand a collection — and it doubles as insurance against losing a mature plant to an accident. Take a backup cutting once the parent is established and healthy.
Toxicity to pets
Giant Chincherinchee is toxic to pets. The ASPCA lists Ornithogalum as toxic to dogs, cats, and horses. Ornithogalum saundersiae contains cardiac glycosides throughout the plant; ingestion can cause gastrointestinal distress, drooling, and cardiac disturbance. All parts, including the cut stems in a vase, should be kept away from pets. If you keep cats, dogs, or curious children in the house, weigh placement carefully — a high shelf or a hanging planter is enough for casual safety. For severe ingestion incidents, call your local vet and the ASPCA Animal Poison Control Center (in the US, 888-426-4435).
Pet-safety status is sourced from the ASPCA Toxic and Non-Toxic Plant List, which catalogues the most-asked-about plants for cats, dogs, and horses.
Giant Chincherinchee care — frequently asked questions
What is the common name for Ornithogalum saundersiae?
Ornithogalum saundersiae is most commonly called Giant Chincherinchee, but it is also known as Saunders' Star of Bethlehem, Chincherinchee, African Wonder Flower. The names refer to the same species, so care instructions for Giant Chincherinchee apply identically to anything sold as Saunders' Star of Bethlehem.
How much light does giant chincherinchee need?
Giant Chincherinchee grows best in direct sun (at least 4-6 hours). Needs full sun for strong stem development and profuse flowering. In cooler climates, maximise sun exposure by planting against a warm south-facing wall. Insufficient light produces weak, floppy stems.
How often should I water giant chincherinchee?
Water giant chincherinchee when the top 4-5 cm of soil is dry, roughly every 10-14 days during active growth. Water moderately during the spring and summer growing season. Reduce after flowering and maintain near-dry conditions during winter dormancy. Excellent drainage is essential to prevent rot of the large bulbs. The finger-test (or lifting the pot to feel its weight) beats a fixed weekly calendar because pot size, light, and season all change how fast the soil dries.
Is giant chincherinchee toxic to cats and dogs?
Giant Chincherinchee is toxic to pets. The ASPCA lists Ornithogalum as toxic to dogs, cats, and horses. Ornithogalum saundersiae contains cardiac glycosides throughout the plant; ingestion can cause gastrointestinal distress, drooling, and cardiac disturbance. All parts, including the cut stems in a vase, should be kept away from pets.
What USDA hardiness zone does giant chincherinchee grow in?
Giant Chincherinchee is rated for USDA zone 8-11 and RHS hardiness H3. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.
Giant Chincherinchee deep-dive guides
Every aspect of giant chincherinchee care, each with its own calibrated guide:
- Common giant chincherinchee problems & fixes
- Giant Chincherinchee watering schedule
- Giant Chincherinchee light requirements
- Best soil mix for giant chincherinchee
- Giant Chincherinchee fertilizing guide
- When to repot giant chincherinchee
- How to propagate giant chincherinchee
- How to prune giant chincherinchee
- What's eating my giant chincherinchee?
- Giant Chincherinchee growth rate & size
- Giant Chincherinchee cold hardiness
- Giant Chincherinchee temperature & humidity
- Is giant chincherinchee toxic to cats & dogs?
- Is giant chincherinchee toxic to cats?
- Is giant chincherinchee toxic to dogs?
- All 9 Ornithogalum varieties
- Getting giant chincherinchee to bloom
Featured in these plant shortlists
Giant Chincherinchee qualifies for 5 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:
- Best drought-tolerant houseplants — Houseplants that prefer to dry out — forgiving of forgotten watering and ideal for travel or busy weeks.
- Best flowering houseplants — Indoor plants grown for their blooms — selected from the flowering species in Growli’s plant-care library.
- Houseplants toxic to cats & dogs — The common houseplants the ASPCA lists as toxic to cats and dogs — the ones to keep out of reach, each with its symptoms and a safe alternative.
- Best houseplants for full sun — Houseplants that want direct sun — the species for a hot south or west-facing windowsill where shade-lovers scorch.
- Best houseplants for a cool room — Houseplants that tolerate cool conditions down to about 10°C — for an unheated spare room, hallway, porch or a home kept cool.
- Browse all 30 plant shortlists — pet-safe, low-light, drought-tolerant and more
Related guides
Giant Chincherinchee is also known as Saunders' Star of Bethlehem, Chincherinchee, and African Wonder Flower.