Little Sapphire Ornamental Onion
Allium hollandicum
AL-ee-um hol-LAN-dih-kum
Perennials: Flower
Zone
3: -40° to -30°
Min. Temp
Hardy: 28°
Appearance
Summer Foliage
Blue-Green
Fall Foliage
Green
Flower Color
Purple
Blooming Time
Early Summer - Mid Summer
Habit
Upright
Height
12–18 in
Spread
6–12 in
Form
Ball / Globe
Characteristics
Type
Cultivar
Safety
Toxic to Dogs/Cats
Growth Rate
Moderate
Tolerance/Resistance
Cold Hardy, Drought Tolerant
Attracts
Attracts Honeybees & Pollinators; Attracts Butterflies; Attracts Beneficial Insects
Uses/Placement
Edging
Optimal Growing Conditions
Sun Exposure
Full Sun - Part Shade
Soil Texture
Loamy
Soil Drainage
Well-drained
Soil Moisture
Average to Moist
Soil PH
Slightly Alkaline: 7.0-7.5
PH Tolerance
Prefers slightly alkaline soil
PH Correction
High pH may cause iron chlorosis
Soil Amendment(s)
Compost
Fertilizer
Moderate Feeder
Fertilizer Formula
Balanced Fertilizer
Fertilizer Timing
Early Spring
Micronutrients
Sulfur (S)
Care
Care Level
Low
Behavior and Propagation
Spreading
Moderate Spreader
Propagation Method
Benefits from Pollinators
Propagation Licensing
Trademarked cultivar
Division Timing
Spring or Fall Division