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Plant care

Giant Chincherinchee (Saunders' Star of Bethlehem) care

Ornithogalum saundersiae

Also called Saunders' Star of Bethlehem, Chincherinchee, African Wonder Flower.

RHS H3USDA 8-11Toxic to petsIndoor 75-100 cm tall with a spread of 30-45 cm

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 rotLarge bulbs are particularly prone to rot in waterlogged conditions; plant in raised beds or free-draining soil and keep drainage excellent year-round.
  • Stem collapseCaused by overwatering or soft bulb rot at the base; check basal plate health when dividing and discard any mushy bulbs.
  • Aphids on flower stemsTreat with insecticidal soap or a systemic insecticide before the flower buds open.
  • Failure to flower in cool climatesNeeds a long, warm summer; in the UK, grow in the warmest spot available or lift and store in a frost-free shed over winter.
  • ThripsCause 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:

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:

Related guides

Giant Chincherinchee is also known as Saunders' Star of Bethlehem, Chincherinchee, and African Wonder Flower.