trefle.io · Taken Feb 20, 2021 by Didier Desmazure (cc-by-sa)
Asparagaceae
Alpine squill
Scilla bifolia
Also known as Scilla xanthandra, Scilla pruinosa, Scilla uluensis, Scilla lusitanica
Native Plants · Bulb · Spring Ephemeral · Woodland · Alpine · Shade Tolerant · Blue Flowers · Naturalizing · Groundcover
Alpine squill is a low-maintenance spring bulb that thrives in partial shade under deciduous trees or in woodland garden settings. Plant bulbs in autumn about 2–3 inches deep in well-drained, humus-rich soil and water regularly until the foliage dies back naturally. It naturalizes readily and requires little attention once established.
Growing conditions
The details behind the basics
- Daily light
- 4 hours
- Watering
- Water moderately to keep soil moist but not waterlogged; allow to dry slightly between waterings · Every 7-10 days during active growth; reduce after foliage dies back
- Maintenance
- Low
- Soil
- loam
- Soil pH
- 7–7.5
- Temperature
- -20°F to 90°F
- Cycle
- Perennial
- Propagation
- Seed, Division
Hardiness
USDA 4a-9b
Form & growth
Mature size and habit
- Mature height
- 12 in – 3 ft
- Spread
- 2 ft
- Spacing
- 3 in apart
- Growth rate
- Moderate
- Root depth
- Medium
- Flowers
- No
- Foliage
- Medium
Ecology & origin
Where it belongs and what it brings
- Native to
- Austria, Belarus, Belgium, Bulgaria, Czechoslovakia, France, Germany, Great Britain, Hungary, Indiana, Italy, Michigan, Netherlands, Poland, Sardegna, Sicilia, Spain, Switzerland, Yugoslavia
- Attracts
- Bees, Butterflies
Sources: trefle
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