Blue Waterfall Bellflower
Campanula glomerata
kam-PAN-yoo-luh glo-mer-AH-tuh
Perennials: Rock Star
Zone
3: -40° to -30°
Min. Temp
Hardy: 28°
A profusion of cup-shaped, wide vivid blue flowers float above the dark green foliage from late spring to late summer if dead-headed regularly. The plant forms a uniform clump making it a good choice for edging, containers, border or rock garden.
Appearance
Summer Foliage
Green
Fall Foliage
Green
Flower Color
Blue
Blooming Time
Early Summer - Mid Summer
Habit
Mounding
Height
6–12 in
Spread
18–24 in
Form
Bell
Characteristics
Type
Open-Pollinated
Safety
Non-toxic
Growth Rate
Moderate
Tolerance/Resistance
Cold Hardy
Attracts
Attracts Honeybees & Pollinators; Attracts Butterflies
Uses/Placement
Edging
Optimal Growing Conditions
Sun Exposure
Full Sun - Part Sun
Soil Texture
Loamy
Soil Drainage
Well-drained
Soil Moisture
Average to Moist
Soil PH
Slightly Acidic: 6.0-6.5
PH Tolerance
Prefers neutral soil
Soil Amendment(s)
Compost
Fertilizer
Light Feeder
Fertilizer Formula
Balanced Fertilizer
Fertilizer Timing
Pre-Bloom
Micronutrients
Trace Minerals Beneficial
Care
Care Level
Moderate
Behavior and Propagation
Spreading
Moderate Spreader
Propagation Method
Benefits from Pollinators
Propagation Licensing
Open propagation permitted
Division Timing
Spring or Fall Division