›

Snake's-head fritillary

Michael Apel / Wikimedia Commons - CC BY 3.0

Snake's-head fritillary

Fritillaria meleagris

An exquisite, delicate spring bulb grown for its solitary, nodding, bell-shaped flowers, which are uniquely chequered in a chessboard pattern of purple and dusky pink (or, on white forms, a faint ghost of the same lattice) and held on slender stems over fine grey-green leaves. The pendent, snake's-head bells give it both its common name and its quiet, wild charm. Native across much of Europe (POWO, Kew), it is a treasured but much-declined wildflower of old damp meadows, and its decline is a real conservation concern, which makes it a genuinely good plant for naturalizing in moist grass to help restore a lost habitat. Two things are load-bearing: unlike most spring bulbs it wants soil that stays moist, even damp, and does not dry out, so it fails in hot, dry spots; and it is toxic if eaten, since the bulb and all parts contain alkaloids. It is also a valuable early nectar source for the first bumblebees of the year. Hardy across USDA zones 3a-8b, it carries the RHS Award of Garden Merit and is rated fully hardy (H5).

Climate fit: moderate (55/100)

Border

Filler

Focal point

Light

Full sun / Part shade

Water

Consistent moisture

Mature size

8-12" tall · 4" apart

Hardy in zones

3a-8b

brutally cold to frosty winters

AHS heat range

1-8

Plant range authored in AHS heat-zone terms.

Native in Illinois

No

Related products

Cold hardiness

These values are location-based: this location's current hardiness is the baseline, and the 2050 value is a projected future climate for this same location.

Now

Zone 6b

Plotwright

USDA Zone 6b

-5°F to 0°F

Well-suited

2050

2100

Zone 7a

Plotwright

0°F to 5°F

Well-suited

In plain terms: This location has cold winters. Its winters are projected to keep warming through 2050.

✓

Well-suited today and still thriving in 2050.

Heat tolerance

Heat tolerance values are location-based too: heat days today are observed at this site, and the 2050 value projects this same location under a future climate.

Loading AHS heat-zone data for this location...

Where this plant fits

Suitable across 38 ecoregions - 28 climate-resilient through 2070 · 7 suited today · 3 newly possible by 2070. Best matches first.

Appalachian mixed mesophytic forests

›

Appalachian-Blue Ridge forests

›

Arizona Mountains forests

›

Atlantic coastal pine barrens

›

Blue Mountains forests

›

Central Pacific Northwest coastal forests

›

Central Tallgrass prairie

›

Central-Southern Cascades Forests

›

Chilean Matorral

›

Colorado Rockies forests

›

What it needs

Conditions

Light

Full sun / Part shade

Water

Consistent moisture

Spacing

4"

Habit

Delicate, slender spring bulb with nodding, chequered, bell-shaped flowers over grey-green leaves; a much-declined meadow native that wants consistently moist soil and is toxic if eaten

Care tips

•

Give it the one thing most bulbs hate: soil that stays consistently moist, even damp, and never bakes dry, since it fails in hot, dry spots.

•

Naturalize it in moist grass or a damp meadow border and leave it undisturbed; a returning drift both looks right and helps restore the habitat this declining native is losing.

•

Don't mow naturalized drifts until the foliage has yellowed and seed has set, so the bulbs feed up for next year and can self-sow.

Lifecycle

Planting

Plant the bulbs in autumn, about 4 inches apart and a few inches deep, in soil that stays reliably moist, even damp, and does not dry out; it suits full sun or part shade. It is at its best naturalized in moist grass or a damp meadow border, where a drift can help restore the kind of habitat it has been lost from. Avoid hot, dry, free-draining spots, where it fails. Site it where children and pets will not browse it, as all parts are toxic if eaten.

Transplanting

The small bulbs dislike drying out, so handle and move them quickly and replant at once into moist ground; lift and divide established clumps only if needed, ideally as the foliage dies down, and get the offsets back into damp soil without letting them shrivel.

Early growth

Keep the soil consistently moist through the growing season, especially in spring; this is not a bulb to let bake dry. Let the slender leaves die back naturally after flowering to feed next year's bulb, and resist mowing naturalized drifts in grass until the foliage has yellowed and any seed has set.

Maturity

A long-lived perennial bulb that reaches only about 8 to 12 inches tall and flowers in mid-spring. In moist ground left undisturbed it slowly increases by offsets and self-sown seed into a naturalized drift; in hot, dry soil it dwindles and disappears. It carries the RHS Award of Garden Merit and is fully hardy (H5).

Propagation

Increases naturally by offset bulbs and by self-sown seed where it is happy in moist ground. To raise more deliberately, sow the ripe seed in autumn (seedlings take several years to reach flowering size) or separate offsets as the foliage dies down and replant them promptly into damp soil before they dry out.

Similar plants

Browse lateral options with similar roles, light needs, size, or native-range overlap; these are not filtered for a better climate fit.

Ranunculus asiaticus

Persian Buttercup

Persian buttercup is a tuberous herbaceous perennial native to the eastern Mediterranean - from Cyprus, Crete, and Turkey across to Iran, Iraq, and the Levant - where it blooms in rocky scrub and meadows in late winter through spring. In gardens it is prized for its luminous, poppy-like flowers in red, orange, pink, yellow, and white (wild single forms) or the dense, multi-layered doubles of commercial 'Tecolote' and 'Bloomingdale' strains beloved by florists. The honest catch is its frost-tenderness: the tubers are killed below roughly 14°F, so gardeners in USDA zones 7 and colder must lift and store them after foliage dies down each summer, and the whole plant contains protoanemonin, a skin and gut irritant toxic to humans and livestock on contact or ingestion.

Gentiana acaulis is a low, mat-forming alpine perennial native to the mountains of central and southern Europe - the Alps, Pyrenees, and Balkans - where it grows in short turf and rocky meadows from 2,625 to 9,843 feet elevation. In gardens it is prized for its astonishing, deep-blue trumpet flowers in late spring, and it has received the RHS Award of Garden Merit. The honest catch is its notorious habit of "sulking": well-established plants can refuse to flower for years with no apparent cause, and the gardener's only remedy is to dig and replant the mat a few inches away - a maddening behaviour that makes it a reliable showpiece in some gardens and a frustrating non-bloomer in others.

Farfugium japonicum is an evergreen rhizomatous perennial native to streamsides and rocky seashores of Japan, Korea, Taiwan, and coastal China, where it is known as tsuwabuki (石蘗). In gardens it delivers bold, kidney-shaped leaves up to 10 inches across and cheerful yellow daisy flowers in autumn and winter - a genuinely useful combination for dark, damp corners. The honest catch is toxicity: the plant contains petasitenine, a carcinogenic pyrrolizidine alkaloid; it must be kept out of reach of children and pets and handled with care, and it is frost-tender above USDA zone 7b, dying back or suffering severe leaf scorch in hard freezes.

Perennial

Part sun / Part shade

Japanese forest grass

Hakonechloa macra is a slow-growing, clump-forming deciduous grass endemic to Japan, naturally found on rocky woodland slopes near Mount Hakone and across Honshu. It is prized in shaded gardens for its gracefully cascading, fountain-like mounds of thin, arching leaves and warm autumn tones of red and pink. The honest catch is pace and site sensitivity: it is among the slowest ornamental grasses to establish, struggles badly in hot dry summers without consistent moisture, and is prone to leaf scorch if sited in too much sun - it needs rich, reliably moist soil to earn its reputation.

Grass

Part sun / Part shade

Geranium macrorrhizum

Bigroot geranium

A vigorous, semi-evergreen, clump- and colony-forming hardy geranium grown as one of the best groundcovers for dry shade under trees and shrubs. Its soft, deeply lobed, strongly aromatic leaves form a dense, weed-smothering carpet, many of them flushing red and bronze in autumn, and above the foliage rise loose clusters of magenta-pink (or white) flowers with prominent protruding stamens in late spring and early summer. It spreads steadily by thick surface rhizomes into a tough, low-maintenance, weed-proof mat that is easy to pull back and is not aggressively invasive. The aromatic foliage makes it markedly deer- and rabbit-resistant, and it is genuinely drought-tolerant once established. It is grown purely as an ornamental and is not a food plant.

Perennial

Full sun / Part shade

A tough, aromatic garden hybrid (Nepeta racemosa x N. nepetella) that forms a low, spreading mound of scalloped gray-green leaves topped by raceme-like spikes of two-lipped lavender-blue flowers from late spring into fall. Sterile and clump-forming rather than weedy, it shrugs off heat, drought, and deer, draws bees all season, and is mildly attractive to cats - a workhorse for border fronts, edging, and dry sunny sites.

Perennial

Full sun / Part shade

Educator packet

Plant packet

Snake's-head fritillary educator packet

An exquisite, delicate spring bulb grown for its solitary, nodding, bell-shaped flowers, which are uniquely chequered in a chessboard pattern of purple and dusky pink (or, on white forms, a faint ghost of the same lattice) and held on slender stems over fine grey-green leaves. The pendent, snake's-head bells give it both its common name and its quiet, wild charm. Native across much of Europe (POWO, Kew), it is a treasured but much-declined wildflower of old damp meadows, and its decline is a real conservation concern, which makes it a genuinely good plant for naturalizing in moist grass to help restore a lost habitat. Two things are load-bearing: unlike most spring bulbs it wants soil that stays moist, even damp, and does not dry out, so it fails in hot, dry spots; and it is toxic if eaten, since the bulb and all parts contain alkaloids. It is also a valuable early nectar source for the first bumblebees of the year. Hardy across USDA zones 3a-8b, it carries the RHS Award of Garden Merit and is rated fully hardy (H5).

Scientific name

Fritillaria meleagris

Plant type

perennial

Hardiness

3a-8b

Light

full-sun, part-shade

Moisture

consistent

Spacing

4 inches

Classroom prompts

- Which plant traits are observations, and which are care recommendations?

- How would this plant fit change if the garden location moved warmer, colder, wetter, or drier?

- Which source-backed facts would you cite in a lesson handout?

Use the Sources & citations section below for page citation styles and the field-level source list.

Sources & citations

Cite this page

For lesson plans, articles, or research that uses this page. Use the source cards below to explore the references that informed this record.

Plotwright. (2026, May 17). Snake's-head fritillary (Fritillaria meleagris). Retrieved 2026, August 20, from https://plotwright.com/plants/fritillaria-meleagris

Sources used for this record

This record is compiled from the sources below.

Plants of the World Online (POWO)

Botanical research database

Open source

Source guide

RHS Find a Plant

Botanical research database

Open source

Source guide

GBIF

Botanical research database