Scientific Name
Scilla siberica, S. tubergeniana (S. mischtschenkoana)
Common Name
Siberian Squill
SCILLA
siberica (Blue flowers)
tubergeniana ( S. mischtschenkoana) (Whitish flowers)
A. Flowering Characteristics
Scilla siberica and S.tuberginiana flower in early spring (March) for 2-3 weeks and plants are 6-8 inches tall.
B. General Characteristics
1. Origin of species: Asia Minor, Caucasus, Southeastern Europe
2. Common names: Siberian Squill
3. Geophyte organ: Bulb
4. Hardiness type: Hardy II - Injured at temperatures below 14 degrees F (-10C) when planted.
5. Natural reproductive systems and growth and development requirements: Reproduces by bulblets and requires a warm (65 to 75F) - cool (28 to 32F) - warm (50 to 65F) annual thermoperiodic cycle.
6. Primary uses: Beds, borders, rock gardens, lawns, and woodland gardens.
C. Cultural Information
1. Bulb sizes: 6/7, 7/8, 8/up cm, in circumference.
2. Planting density: 1-2 inches apart, 20-30 per sq. ft.
3. Planting depth: 5 inches to base of the bulb.
4. Planting time: Fall
5. Perennialization habit: Scilla siberica: 1990 USDA Climatic Zone 3 with mulch, Zones 4 to 7 without mulch; Scilla tuberginiana: 1990 USDA Climatic Zone 2 with mulch, Zones 3 to 6 without mulch.
6. Light requirements: Scilla siberica and S. tubergeniana: Full sunlight to PM only or AM only sunlight.
7. Moisture: Tolerates summer drought, but requires moisture during growing season.
8. Animal susceptibility: Not reported.
D. Companion Plants:
Chaenomeles japonica, Forsythia, Jasminum nudiflorum, Vinca minor, Hammamelis.

Scilla siberica

Scilla siberica

Scilla siberica

Scilla tubergeniana =

(S. mischtschenkoana)

Scilla tubergeniana =

(S. mischtschenkoana)

Holland Technical Service Bulletin Number 37 was prepared for the WWW system by A.A. De Hertogh, L.B. Gallitano, G. Hartley, M.E. Traer, and A.B. Russell, Department of Horticultural Science, NC State University. The information was obtained not only from original research conducted by the authors but also from databases released by other sources. This Bulletin was published by the International Flower Bulb Center (IBC), Hillegom, the Netherlands on behalf of the Dutch Flower Bulb Industry. Because of the various climates in North America and year-to-year variability of the weather, the IBC cannot and does not accept responsibility for divergent results that may arise using information obtained from this document or site. Photographs copyright @1997 by A.B. Russell and A.A. De Hertogh. Computer programming by Miguel Buendia, graphics by Brad Capel.