Bulb · Asparagaceae

Glory-of-the-snow

Chionodoxa forbesii

One of the first bulbs to bloom, glory-of-the-snow throws down a carpet of blue before winter has fully let go.

Light

Full sun

Water

Every 5–⁠10 days

Hardiness

USDA 3–⁠8

Mature size

6–⁠12 in · 15–⁠30 cm

Toxic to cats, dogs, horses & more
Glory-of-the-snow

Overview

Glory-of-the-snow kicks off the flowering year, opening some of the earliest blooms around and often pushing straight through a thin crust of late snow. It is a small spring bulb in the asparagus family, native to the mountains of Turkey, where it flowers the moment the snowmelt starts. Drop it in the garden and it does exactly the same, firing up star-shaped blue flowers with bright white centers while the rest of the bed still sits bare.

The real thrill is watching it spread. The bulbs multiply by offsets and the plant self-seeds, so a small handful knits into wide drifts in just a few years. It naturalizes with gusto in lawns, rock gardens, and the open ground beneath deciduous trees, flowering before the canopy leafs out and steals the light.

Best of all, it barely asks for a thing. Hardy from zone 3 to zone 8, it laughs off hard cold, shrugs at deer and black walnut, and storms back stronger each spring. Plant the bulbs in fall, step back, and the colony runs the show.

Care

The short version: plant the bulbs in fall in well-drained soil, in full sun or the light shade under deciduous trees. Keep them watered through spring growth and bloom, then let them dry out as the foliage fades into summer dormancy.

Light

Glory-of-the-snow flowers hardest in full sun but takes partial shade nearly as well. The light shade under deciduous trees is a perfect fit, since it blooms in early spring before the leaves unfurl and throw real shade.

Water

Keep the soil evenly moist through spring growth and bloom, watering every 5 to 10 days whenever rain comes up short. Back off once the flowers fade and the foliage yellows, and keep the bulbs dry through their summer rest.

Soil

Give it average, well-drained soil of medium moisture and it wants nothing more. Nail the drainage above all, since bulbs stuck in soggy ground rot.

Temperature

This is a rugged, cold-hardy bulb that shrugs off winter lows down to -29°F (-34°C) and grows on up to about 75°F (24°C). Hard cold is no threat at all; the bulbs actually bank on a winter chill to flower well.

Humidity

Plain outdoor humidity covers it, so there is no dial to fuss with. For this bulb, soil moisture and drainage matter far more than anything in the air.

Feeding

Work a balanced bulb fertilizer, or some compost and aged manure, into the soil in fall and again in early spring. One seasonal feed does the job, and the bulbs draw on it as they grow and recharge.

Pruning

There is nothing to prune. Let the foliage die back on its own after bloom and leave it until it yellows fully, since those leaves are loading the bulb for next year.

Repotting

These bulbs are rarely disturbed and thrive on being left alone for years. Lift and divide only when clumps pack in tight and flowering drops off, or when offset bulbs start shoving up to the surface.

Size & spacing

The plants stay small, hitting just 6 to 12 inches (15 to 30 cm) tall with a 3 to 6 inch (8 to 15 cm) spread. Set the bulbs about 2 to 3 inches apart so they knit into drifts over time.

When to plant

Glory-of-the-snow runs on a tight, fast-moving spring schedule. Plant the dormant bulbs in fall, about 3 inches deep, and they punch up and flower in early spring, anywhere from February to April depending on your climate. Once the show wraps, the foliage yellows and dies back, and the bulb kicks into a summer rest.

Northern hemisphere

Plant Sep–Nov
Bloom Feb–Apr

Typical months for a temperate climate: start earlier in warm zones, later where spring frosts linger.

  • Plant: Plant bulbs in fall, about 3 inches deep and 2-3 inches apart.
  • Harvest: Early spring, typically February to April (mid-March to mid-April in the St. Louis area).

Hardiness

USDA hardiness zones: 3–8

Temperature: down to -40°C

Troubleshooting

Glory-of-the-snow is an easy bulb that rarely stumbles, and most of what does go wrong kicks off underground in wet soil. When a clump looks off, lift a bulb or two, since the answer usually jumps out the second you dig. Match what you see below, then move fast before the rot spreads.

Severe

Wilting, twisted leaves and clumps that never fill out

When a whole clump wilts, twists, and never fills in, a nematode infestation in the soil usually sits behind it, though soggy, waterlogged ground can wreck a clump the same way. Dig up a few bulbs and take a hard look, and if they come up soft and rotting, clear them out along with the soil around them. Sharpen the drainage and start the next batch on clean ground instead of the same tired spot, and the planting bounces right back.

Fix:

  • Lift and discard affected bulbs and surrounding soil
  • Improve drainage and avoid replanting bulbs in the same infested spot
Setback

Soft, mushy bulbs that never come up

A bulb that goes soft and never breaks ground has rotted, and wet soil is nearly always what did it in. That is bulb rot, and it shows its hand the second you lift a bulb and find it mushy, foul-smelling, or fuzzed over with fungus. Pitch the bad ones without hesitation and replant only firm, healthy bulbs into well-drained soil or a raised bed, and next spring picks up right where it left off.

Fix:

  • Discard rotted bulbs
  • Replant healthy bulbs in well-drained soil or raised beds

Toxicity

Give this one respect around pets and children. As a Scilla relative, every part packs cardiac glycosides, and the bulb is the most dangerous piece of all. Eating it tends to bring on drooling, vomiting, and diarrhea, so keep stored bulbs out of reach and wash your hands after planting.

Toxic to

Cats · Dogs · Horses · Rabbits · Livestock · Birds · People

Cats Mild

A cat that chews a leaf, or a bulb, will likely drool, bring it straight back up, and pick up some diarrhea after. The bulb packs the most toxin, so stash stored bulbs well out of paw's reach.

Dogs Mild

A dog that digs up and chews a bulb tends to drool, vomit, and get loose stools within a few hours. Most cases stay mild, but a dog that wolfs down several bulbs can run into serious heart effects from the glycosides, so ring the vet fast.

Horses Caution

Horses rarely chase down these small spring bulbs, but the cardiac glycosides still make them a poor bite. Look for drooling and digestive upset if a horse does graze the foliage or root out the bulbs.

Rabbits Caution

The whole plant runs with the same glycosides, so it makes no safe browse for a rabbit. A nibble can spark drooling and a runny gut, and the bulb is the piece to guard hardest.

Livestock Caution

Cattle, goats, and sheep can be poisoned when they graze a patch, hitting stomach upset first and, after larger amounts, a slowed and irregular heartbeat. Fence them clear of any naturalized drifts.

Birds Caution

The glycosides put birds on the risk list too, so keep poultry and pet birds from pecking the bulbs or foliage. Chalk it up as off-limits rather than forage.

People Caution

No part of this plant is food, and eating the bulb can trigger mouth pain, nausea, stomach cramps, vomiting, and diarrhea, plus a slowed heartbeat after a big dose. Steer curious children well clear and wash your hands after planting.

Keep bulbs and plants away from pets and children; wash hands after handling and store bulbs out of reach.

Helpline numbers

United States

ASPCA Animal Poison Control: (888) 426-4435 (fee applies)

Poison Control: (800) 222-1222

United Kingdom

Animal PoisonLine: 01202 509000 (fee applies)

NHS: 111

Australia

Animal Poisons Helpline: 1300 869 738

Poisons Information Centre: 13 11 26

Canada

Poison Centres: 1-844-764-7669

Varieties

The straight species wins over most gardeners on its own, but a handful of named selections stretch the color range and pump up the flower size. These are the ones worth tracking down.

Blue Giant

A powerhouse selection that pumps out larger blue, white-centered flowers on 6 to 12 inch (15 to 30 cm) stems packing up to 10 blooms each.

Pink Giant

Swaps the classic blue for soft pink around that same crisp white eye.

Alba

A pure white form that delivers the early drift for anyone who wants to skip the blue.

Companions

Glory-of-the-snow pairs best with other early bulbs that bloom alongside it and with the deciduous trees it naturalizes beneath.

Plant near

Daffodils (Narcissus)CrocusDeciduous trees and shrubs

Daffodils (Narcissus): Both are early-spring bulbs that naturalize together and bloom in overlapping seasons for layered color.

Crocus: Another very early small bulb that combines well in drifts, lawns, and rock gardens.

Deciduous trees and shrubs: Glory-of-the-snow thrives and naturalizes in the partial shade beneath deciduous trees, blooming before the canopy leafs out.

How to propagate

This bulb multiplies almost on its own, so plenty of gardeners just turn it loose and let it spread, though you can crank things up by lifting offsets, dividing clumps, or starting fresh bulbs.

Offsets & pupsEasy

After foliage dies back in late spring/summer, or lift and separate in fall. · 1 to 2 seasons

Here is the fun part: the bulbs do the heavy lifting, firing off offsets that knit into spreading colonies year after year. Want to push it along? Lift a clump once the foliage has died back in late spring or summer, or in fall, snap the little offset bulbs free, and drop them back in. Give them a season or two and they root in and flower.

Bulbs & cormsEasy

Fall · 1 season

Grabbing a bag of bulbs is the fastest way in. Drive the dormant bulbs about 3 inches deep in fall, and up they shoot to flower the very next spring, one season from planting to bloom.

SeedModerate

Self-sows in spring/early summer; can be direct sown outdoors in fall. · 2 to 3 years to flowering

Let it run and the plant self-sows on its own through spring and early summer, and you can direct-sow the seed outdoors in fall as well. The trade-off is the wait, since seedlings need 2 to 3 years to hit blooming size.

DivisionEasy

When clumps become crowded, lift and divide after foliage dies back. · 1 to 2 seasons

When a clump packs in tight and the flowers thin out, splitting it fires the planting right back up. Lift the crowded clump after the foliage has died back, break it apart, and space the pieces out, and they re-establish over the next one to two seasons.

Myths

Myth

Glory-of-the-snow is completely safe because it is not on the ASPCA toxic plant list.

Reality

Missing from the ASPCA list is not the same as harmless. As a Scilla relative, every part carries cardiac glycosides and the genus is documented as poisonous, so eating it can spark real stomach upset. Keep the bulbs and plants away from pets and children.

Sources