Siberian Squill is a perennial grown for its root. It's hardy across USDA zones 2 through 8, stands up to deer and grows just as well in a container as in the ground. Its summer flowers are a moderate draw for honeybees and native bees, even though the root is the prize.
Zones
2-8
pH Range
5.5-7
Sun
Part Sun
Days to Maturity
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Score Siberian Squill on your exact land.
Zone averages can't see the slope, soil, frost, and sun that decide whether siberian squill actually takes — and those shift from one yard to the next. Enter your address and we'll score siberian squill against your land's real conditions.
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What Siberian Squill is
Siberian Squill grows as a perennial and reaches around 6 inches at maturity. It blooms blue in summer. It's also deer-resistant and well suited to containers.
How to grow Siberian Squill
Siberian Squill grows in USDA zones 2 through 8. Siberian Squill does best in part sun — at least 4 hours of direct sun a day — and soil from pH 5.5 to 7, on well-drained ground.
USDA Zones
2-8
USDA PHZM 2023
Soil pH
5.5 - 7
USDA PLANTS Database
Sun
Part Sun
Growable Ground plant catalog
Drainage
well (dry spells)
Growable Ground plant catalog
Mature Height
0.5 ft
Growable Ground plant catalog
Sow directly
Sow siberian squill seed straight into the bed — root crops germinate fast and resent transplanting. Give them part sun.
Match the soil
Siberian Squill prefers pH 5.5 to 7 (Growable Ground Plant Database). A quick soil test from your local Extension lab tells you whether to add lime or sulfur to land in band.
Water steadily
Keep the root zone evenly moist through establishment. A 2–3 inch mulch layer holds moisture without waterlogging.
Harvest at maturity
Pull while roots are young and tender — sweeter than oversized ones. Local Cooperative Extension guides publish timing tables.
Good to know
One caution for pet owners — siberian squill is toxic to dogs and cats (moderate severity). Keep it out of reach, and call ASPCA Animal Poison Control at (888) 426-4435 in an emergency. (Source: ASPCA.)
Siberian Squill offers moderate value to bees and other pollinators.
Where Siberian Squill thrives
Siberian Squill is hardy across USDA zones 2 through 8. Zone is only the starting point, though: the soil pH, drainage, and frost dates on your specific land decide how well it actually does.
Zones 2–8·Where Siberian Squill growsOpen map →
Continental US shown — Alaska and US Pacific territories sit outside the federal map's polygon dataset.
On USDA hardiness-zone overlap, Siberian Squill can grow in these states:
See if Siberian Squill will thrive on your land
Zone averages are a start. Your exact soil pH, drainage, sun exposure, and frost dates shape whether siberian squill actually takes — we score it against the real conditions at your address.
Three things about your exact spot that zone averages miss:
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Frequently Asked Questions
Can I grow Siberian Squill in my zone?
Siberian Squill grows in USDA hardiness zones 2 through 8 (USDA PHZM 2023). Zone is one factor — soil pH, drainage, and frost dates on your specific parcel also shape whether it takes.
When should you plant Siberian Squill?
Siberian Squill is a cool-season crop, so it goes in during the cool halves of the year — early spring, and again in late summer for a fall planting — rather than at the height of summer heat. Your local frost dates set the exact window — a Growable Ground report reads them for your address.
How much sun does Siberian Squill need?
Siberian Squill does well in partial sun — around 4 hours of direct sun, and it takes some afternoon shade in stride. That flexibility makes it a good match for a bed the house or a nearby tree shades for part of the day. A Growable Ground report maps how the sun actually falls on your land, hour by hour, so you can set it where the light lines up.
What soil does Siberian Squill need?
Siberian Squill prefers soil pH 5.5 to 7, on well-drained ground (Growable Ground Plant Database). Your report scores your parcel's actual soil against that using USDA SSURGO data.
Does Siberian Squill attract pollinators?
Yes — siberian squill's flowers are a solid nectar source for honeybees and native bees.
Is Siberian Squill safe for pets?
Siberian Squill is toxic to pets (dogs,cats) with moderate severity. Keep it out of reach, and call ASPCA Animal Poison Control at (888) 426-4435 in an emergency. (Source: ASPCA.)