Plant care
Forbes' Glory of the Snow (Forbes' Chionodoxa) care
Chionodoxa forbesii
Also called Forbes' Chionodoxa, Blue Giant.
Watering rhythm
Bright indirect light (just back from a sunny window)
Relies on natural rainfall during its growing season; water lightly if spring is unusually dry
Light
Bright indirect light (just back from a sunny window)
Soil
Free-draining loam or gritty compost
Humidity
40-60%
Temp
5-20°C
Pet safety
Toxic to pets
Mature size
10-20 cm tall with a spread of 5-10 cm
Care at a glance
Light
Bright but filtered. Forbes' Glory of the Snow burns within days in unfiltered south-facing summer sun, and stops growing within months in deep shade. Thrives in full sun to light dappled shade. An ideal naturalising bulb under deciduous trees, where it receives full sun in early spring before the canopy leafs out. Avoid dense year-round shade. If you only have a south window, set the plant back 1.5 m or hang a sheer curtain — both knock the intensity down into the right range.
Watering
Watering forbes' glory of the snow: relies on natural rainfall during its growing season; water lightly if spring is unusually dry. The number that matters isn't the day of the week — it's how dry the top 2-3 cm of the pot feels. A finger in the soil tells you more than a watering app. After every watering, tip the saucer. Naturally suited to seasonally moist, then dry conditions. In pots, water moderately from emergence to post-flowering, then allow to dry down completely as foliage yellows. No summer watering needed when dormant.
Soil and pot
Forbes' Glory of the Snow grows best in free-draining loam or gritty compost. Well-drained soil is essential; bulbs rot in waterlogged conditions. A light, sandy or gritty loam is ideal. In pots, use a free-draining bulb compost. Tolerates a wide pH range of 6.0-7.5. 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
Forbes' Glory of the Snow sits happiest at around 40-60% humidity and 5-20°C (41-68°F). Completely tolerant of normal outdoor and indoor humidity fluctuations. No special humidity requirements; good air circulation around foliage is beneficial. If you keep the room above 5 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 forbes' glory of the snow sparingly. A light application of balanced granular fertiliser or bone meal in autumn when planting supports establishment. Established naturalised colonies need no routine feeding. Container plants benefit from a liquid feed once or twice during the growing season. 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 forbes' glory of the snow in the Growli community. Each is annotated with the most common cause so you know where to start.
- Bulb rot — Results from waterlogged, poorly drained soil; plant in raised beds or add grit to improve drainage.
- Squirrel damage — Squirrels dig up and eat small bulbs; protect newly planted bulbs with wire mesh laid over the planting area.
- Failure to naturalise — Usually caused by excessively heavy or wet soil; improve drainage and plant at 3-5 times the bulb's own depth.
- Sparse flowering over time — Can indicate over-crowding; lift and divide congested clumps every 3-4 years after the foliage dies back.
- Botrytis — Grey mould on leaves in prolonged damp conditions; ensure good air circulation and avoid overhead watering.
Companion plants
Forbes' Glory of the Snow pairs well with Crocus, Galanthus, Muscari, and Eranthis. 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
Self-seeds freely and also multiplies by bulb offsets; to increase rapidly, lift clumps after the foliage dies back, separate offsets, and replant at 5-8 cm depth immediately. 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
Forbes' Glory of the Snow is toxic to pets. The ASPCA lists Chionodoxa (Glory of the Snow) as toxic to dogs, cats, and horses. The plant contains alkaloids that cause vomiting, diarrhoea, and hypotension; the bulb carries the highest concentration and all parts 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.
Forbes' Glory of the Snow care — frequently asked questions
What is the common name for Chionodoxa forbesii?
Chionodoxa forbesii is most commonly called Forbes' Glory of the Snow, but it is also known as Forbes' Chionodoxa, Blue Giant. The names refer to the same species, so care instructions for Forbes' Glory of the Snow apply identically to anything sold as Forbes' Chionodoxa.
How much light does forbes' glory of the snow need?
Forbes' Glory of the Snow grows best in bright indirect light (just back from a sunny window). Thrives in full sun to light dappled shade. An ideal naturalising bulb under deciduous trees, where it receives full sun in early spring before the canopy leafs out. Avoid dense year-round shade.
How often should I water forbes' glory of the snow?
Water forbes' glory of the snow relies on natural rainfall during its growing season; water lightly if spring is unusually dry. Naturally suited to seasonally moist, then dry conditions. In pots, water moderately from emergence to post-flowering, then allow to dry down completely as foliage yellows. No summer watering needed when dormant. 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 forbes' glory of the snow toxic to cats and dogs?
Forbes' Glory of the Snow is toxic to pets. The ASPCA lists Chionodoxa (Glory of the Snow) as toxic to dogs, cats, and horses. The plant contains alkaloids that cause vomiting, diarrhoea, and hypotension; the bulb carries the highest concentration and all parts should be kept away from pets.
What USDA hardiness zone does forbes' glory of the snow grow in?
Forbes' Glory of the Snow is rated for USDA zone 3-8 and RHS hardiness H7. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.
Forbes' Glory of the Snow deep-dive guides
Every aspect of forbes' glory of the snow care, each with its own calibrated guide:
- Common forbes' glory of the snow problems & fixes
- Forbes' Glory of the Snow watering schedule
- Forbes' Glory of the Snow light requirements
- Best soil mix for forbes' glory of the snow
- Forbes' Glory of the Snow fertilizing guide
- When to repot forbes' glory of the snow
- How to propagate forbes' glory of the snow
- How to prune forbes' glory of the snow
- What's eating my forbes' glory of the snow?
- Forbes' Glory of the Snow growth rate & size
- Forbes' Glory of the Snow cold hardiness
- Forbes' Glory of the Snow temperature & humidity
- Is forbes' glory of the snow toxic to cats & dogs?
- Is forbes' glory of the snow toxic to cats?
- Is forbes' glory of the snow toxic to dogs?
- All 6 Chionodoxa varieties
- Getting forbes' glory of the snow to bloom
Featured in these plant shortlists
Forbes' Glory of the Snow qualifies for 5 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:
- Best plants for a north-facing window — Houseplants for a north-facing window: bright, even, indirect light and no scorching direct sun. Each pick verified against its documented light needs.
- 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 small & tabletop houseplants — Compact houseplants that stay under about 40 cm — desk, shelf and windowsill plants that never outgrow a small space.
- 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
Forbes' Glory of the Snow is also commonly called Forbes' Chionodoxa or Blue Giant.