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Double snowdrop

Galanthus nivalis 'Flore Pleno' · Amaryllidaceae

Double snowdrop (Galanthus nivalis 'Flore Pleno') in flower
Photo: Anne Burgess, via Wikimedia Commons (CC BY-SA 2.0)

A snowdrop whose inner petals are multiplied into a tight green-and-white rosette, like a tiny ballet skirt.

Size
5 in tall, 3 in wide
Zones
3 to 7
Light
Full sun to part shade
Flowers
Early February to mid March
Pets
Toxic (mild)
Job in a bed
Bulb layer

A bed built around double snowdrop

The planner designed this bed around double snowdrop when this page was made: a 12 × 6 ft (3.7 × 1.8 m) English border in zone 6, part sun. It chose the other plants from the 708 that suit those conditions, and says below why double snowdrop stands where it does.

A 12 × 6 ft (3.7 × 1.8 m) bed at eye level in early March: Bloody cranesbill 'Max Frei', Creeping mahonia, Foxglove beardtongue, Brown-eyed Susan, Deutzia 'Chardonnay Pearls', Coral bells 'Berry Smoothie', Double snowdrop.
A 12 × 6 ft (3.7 × 1.8 m) English border in zone 6, part sun, seen from the path in early March.
4. Brown-eyed Susan44. Brown-eyed Susan44. Brown-eyed Susan43. Foxglove beardtongue33. Foxglove beardtongue33. Foxglove beardtongue35. Deutzia 'Chardonnay Pearls'52. Creeping mahonia22. Creeping mahonia22. Creeping mahonia22. Creeping mahonia22. Creeping mahonia21. Bloody cranesbill 'Max Frei'11. Bloody cranesbill 'Max Frei'11. Bloody cranesbill 'Max Frei'11. Bloody cranesbill 'Max Frei'11. Bloody cranesbill 'Max Frei'11. Bloody cranesbill 'Max Frei'11. Bloody cranesbill 'Max Frei'16. Coral bells 'Berry Smoothie'66. Coral bells 'Berry Smoothie'66. Coral bells 'Berry Smoothie'66. Coral bells 'Berry Smoothie'66. Coral bells 'Berry Smoothie'62. Creeping mahonia22. Creeping mahonia22. Creeping mahonia27. Double snowdrop7. Double snowdrop7. Double snowdrop7. Double snowdrop7. Double snowdrop7. Double snowdrop7. Double snowdrop7. Double snowdrop7. Double snowdrop7. Double snowdrop7. Double snowdrop7. Double snowdrop
From above, to scale. Each circle is one plant, as wide as the room it needs.

The plants

  1. 1 Bloody cranesbill 'Max Frei' × 7, pink
  2. 2 Creeping mahonia × 8, yellow
  3. 3 Foxglove beardtongue × 3, white
  4. 4 Brown-eyed Susan × 3, yellow
  5. 5 Deutzia 'Chardonnay Pearls' × 1, white
  6. 6 Coral bells 'Berry Smoothie' × 5, red leaves

Why this plant

  • Nothing here is unique to it. Its leaf, flower shape and colour are all on the plan already. Its case rests on where it stands and when it performs.

Why here

  • In the middle. At 5 in it stands ahead of coral bells 'Berry Smoothie' (18 in) without hiding it.
  • 12 plants in 2 handfuls. In the gaps between other plants, which fill the space when the bulb is not in growth.

Why now

  • In flower for six weeks. From early February to mid March.
  • Opens the season. In all that time nothing else on the plan is in flower.
  • Leaves gone by midsummer. They die back and leave bare ground. A perennial that comes up late stands beside it, and grows over the gap.

Planned as an English border: 6 of the 6 groups (100%) are drifts, longer along the bed than they are deep. Brown-eyed Susan and foxglove beardtongue anchor the back corners of the bed: the tallest plants on the plan stand there. Creeping mahonia and bloody cranesbill 'Max Frei' finish the front edge.

The planner's own design check: 13 Excellent, 3 Good, 1 Satisfactory. It flags one thing to watch: Nothing on this plan is highly poisonous or an aggressive spreader.

Open this bed in the planner Change its size, the sun or the style, move plants about, or swap one for another.

Where double snowdrop goes in a border

At 5 in it belongs at the front of a bed. In the planner's ten height classes it is ground-hugging (up to 6 in).

Its job: bulb layer. Small bulbs planted in handfuls of five or seven in the gaps between other plants, for colour before the perennials wake up.

It is sterile and so spreads only by offsets, but quickly: a few bulbs become a carpet. The fuller flowers show up better from a distance than the single kind.

  • Carpets under deciduous trees
  • Late-winter interest by a path
  • Naturalising in grass

What to plant with double snowdrop

Plants recorded as good partners for it, and what each pairing does:

  • Lenten rose: takes over when it finishes, flowering from late March; bold leaves against its fine ones; tall enough (18 in) to stand behind it.
  • Winter aconite: in flower together for four weeks, from late February; happy in the same moist soil.
  • Hosta: its green leaves are a setting for the flowers, before and after; grows up in time to hide its dying leaves; bold leaves against its fine ones.

Questions about double snowdrop

Does double snowdrop need sun or shade?

Double snowdrop grows in full sun (6 or more hours of direct sun a day), part sun (4 to 6 hours of sun, including some afternoon sun) and part shade (2 to 4 hours of sun, mostly in the morning).

It wants soil that stays evenly moist, rich in organic matter, and a good soak in dry spells.

What zones does double snowdrop grow in?

USDA zones 3 to 7. It is hardy to zone 3, which means it survives winter nights down to about −30 °F (−34 °C).

Above zone 7 it struggles: the zones measure winter cold, but a plant's top zone usually means the summers are too hot or the winters too mild for it to rest.

Gardening in Canada? Use the USDA zone for your town: Canada's own zone map uses different numbers.

When does double snowdrop flower in my zone?

In zone 5 it flowers early February to mid March. As a spring flower it moves about a week for every zone: earlier where it is warmer, later where it is colder.

Roughly when double snowdrop is in flower
Zone 3Late February to late March
Zone 4Mid February to late March
Zone 5Early February to mid March
Zone 6Early February to early March
Zone 7Late January to early March

Worked out from Hopkins' bioclimatic law: spring arrives about four days later for each degree of latitude north, and one zone is roughly two degrees. A warm spring or a cold one moves any garden two weeks either way.

How far apart should double snowdrop be planted?

3 in (8 cm) apart, from the middle of one plant to the middle of the next. That is about its full width, so each plant keeps its own outline.

It grows 5 in (12 cm) tall. Give it the full distance from anything taller, or it will lean out towards the light.

How many double snowdrop plants do I need?

At 3 in apart, set out in staggered rows:

  • 168 to fill 10 square feet (about 1 m²)
  • 39 for a single row 10 ft (3 m) long
  • 536 to fill a 4 × 8 ft bed on its own

In a mixed border, plant it as handfuls of five or seven, in the gaps between other plants.

In the bed above, the planner used 12 in two groups.

Is double snowdrop poisonous to dogs and cats?

Yes: mild toxicity to people, dogs and cats. The bulbs cause vomiting and diarrhoea if eaten.

Rated from NC State Extension. Where references disagree, the more cautious rating is used.

Do deer eat double snowdrop?

Mostly not. NC State lists it as resistant to deer. No plant is proof against a hungry deer in a hard winter, but this one is low on the menu.

What can I plant to hide double snowdrop's leaves after it flowers?

A bulb's leaves have to be left to yellow for about six weeks after flowering, to feed next year's flowers. Plant it among perennials that come up late and spread wide, and they grow over the leaves as they fade:

  • Hosta: 18 in tall and 2½ ft wide, a recorded partner, in flower mid July to mid August.
  • Lady's mantle: 18 in tall and 24 in wide, in flower late May to early July.
  • Catmint 'Walker's Low': 24 in tall and 2½ ft wide, in flower mid May to mid September.

What does double snowdrop look like in winter?

Double snowdrop is underground: it dies back after flowering and waits as a bulb until spring. Mark where it is, so a fork does not find it first.

Is double snowdrop good for bees and butterflies?

Double snowdrop is visited by bees.

More Galanthus

In these guides

Zone guides: Zone 3 · Zone 4 · Zone 5 · Zone 6 · Zone 7

In flower in: February · March

Every fact on record

Type
Bulb
Size
5 in (12 cm) tall, 3 in (8 cm) wide
Plant
3 in (8 cm) apart
Height class
Ground-hugging (up to 6 in)
Place in the bed
Front
Flowers
Early February to mid March; hanging bells; white
Leaves
Fine texture, summer-dormant; blue-green
Shape
Mounding, clumping
Hardy in
USDA zones 3 to 7
Light
Full sun, part sun, part shade
Soil
Rich, evenly moist
Water
Moderate
Feeding
None needed
Family
Amaryllidaceae
Comes from
Europe and Southwestern Asia
Attracts
Bees
Stands up to
Deer, black walnut

Checked against NC State Extension and VASCAN (plants of Canada). Flowering times are for zone 5: later in colder zones, earlier in warmer ones. Toxicity and spread information is a general gardening guide, not veterinary or medical advice, and invasive status varies by region. If a person or pet eats a plant, contact poison control or a vet. Check your local invasive species list before planting anything with a spread warning.