Leucojum vernum vagneri
Description
Spring Snowflake. Makes strong clumps of bulbs, often mistaken for a snowdrop, since it flowers at much the same time, but it has lampshade-like bells, made up of six pointed petals held open wide, showing green tips. It carries two flowers per stem, above lush, strap-shaped leaves. It differs from L. vernum in being larger and more robust.
Aspect Full sun
Flowering Period Feb | Mar
Foliage Not evergreen
Growth Habit Clump-forming
Hardiness Fully hardy
Height 23cm
Soil Most types
Spread 8cm
http://www.bethchatto.co.uk/i-n/leucojum/leucojum-vernum-vagneri.htm