Siberian bugloss pairs large, heart-shaped leaves with sprays of small blue spring flowers, covering ground in a shaded border.
- Height
- 30–46 cm / 1–1.5 ft
- Spread
- 45–77 cm / 1.5–2.5 ft
- Light
- Shade / Partial shade
- Soil moisture
- Moist, well-drained
- Flowering
- Spring
- Maintenance
- Low
- USDA zones
- 3a–8b
Planting
Choose partial or full shade with fertile, moist, well-drained soil. Protect the leaves from afternoon sun; a cool woodland edge is more suitable than an exposed, hot border.
Care
Mulch to help the soil stay cool and retain moisture. Divide established clumps if needed.
Before planting: Dry soil and hot, humid conditions cause problems; direct hot sun can scorch the leaves.
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Sources & photo credit
Plant reference: NC State Extension Gardener Plant Toolbox. Content checked . Flowering seasons vary with local climate; USDA zones describe winter cold tolerance.
- Siberian bugloss: Cephas · CC BY-SA 3.0. Resized, converted to WebP and cropped for display.
- 'Blue Mouse Ears' hosta: Cathy Dewitt · CC BY 4.0. Resized, converted to WebP and cropped for display.
- American alumroot: Behnke Nurseries, Inc. · CC BY 4.0. Resized, converted to WebP and cropped for display.
- Astilbe: David J. Stang · CC BY-SA 4.0. Resized, converted to WebP and cropped for display.