Sisyrinchium Montanum - Blue-Eyed Grass
Best low-maintenance choice for pond-side landscaping and rock garden borders.
Discover the charm of Sisyrinchium Montanum, commonly known as Blue-Eyed Grass, available here as a bare-root plant. This variety features striking dark green foliage complemented by beautiful blue-purple flowers that possess a hint of yellow in the center. It thrives in partial sun conditions, making it an excellent choice for the edges of your pond or integrated into rock gardens. Growing via a rhizome root system, it naturally forms dense clumps, reaching a modest height of 4 to 12 inches. It prefers moist soil or very shallow water placement, offering reliable, low-maintenance beauty for your outdoor water feature.
$11.44
Owner Satisfaction
4.6
/ 5
Category Rank
408
/ 955
#408 in Aquatic Plants
Price vs Category Average
-38%
Below average
Hardiness Zones
39
/ -
Who it's for
- Busy gardeners wanting low-maintenance, reliable color
- Eco-conscious growers looking to attract beneficial pollinators
- Landscapers needing versatile texture for rock gardens or edging
Who should skip it
- Designers planning gardens with large, robust perennials
- Gardeners seeking long-lasting, all-day floral displays
- Minimalists wanting low-effort, non-spreading plant varieties
Performance breakdown
Hardiness Range
Thrives across a vast spectrum of climates from zones 3-9.
Planting Ease
Bare-root delivery ensures a straightforward, stress-free installation process.
Maintenance Level
Requires minimal attention once established in moist, pond-side soil.
Visual Impact
Striking blue-purple blooms provide a vibrant contrast to dark foliage.
Growth Habit
Rhizome system creates dense, controlled clumps perfect for garden borders.
Versatility
Adapts seamlessly to both pond edges and traditional rock gardens.
Key Specs
Hardiness Zones
3-9
Flower Color
Blue-purple with yellow center
Foliage Color
Dark green
Spacing
6”-18”
Spread
Up to 12” wide
Height
4”-12” (10.16 cm - 30.48 cm)
Root System
Rhizome
Features
- Produces beautiful blue-purple flowers for visual interest
- Delivered as bare-root for easy planting
- Forms attractive clumps through its rhizome growth
- Tolerates partial sun exposure
- Suitable for pond edges and rock garden borders
- Low maintenance requirement
What customers say
Consumers are genuinely impressed by the quality and health of the Blue Eyed Grass upon delivery. The consistent theme across feedback is reliability; these plants arrive robustly packaged and establish quickly, minimizing transplant shock. Gardeners appreciate the vibrant, true blue color and the low maintenance nature of this perennial. It is considered a highly reliable and valuable addition, offering consistent beauty without demanding extensive care.
Know before you buy
This plant prefers moist soil or very shallow water. It is best suited for the boggy edges of your pond rather than being fully submerged.
Blue-Eyed Grass grows via a rhizome system and forms dense, tidy clumps. While it will spread up to 12 inches wide over time, it is generally well-behaved and not considered invasive.
It thrives in partial sun. While it can tolerate some shade, providing a few hours of sunlight will help ensure the best flower production.
You should plant your bare-root rhizomes as soon as possible after they arrive. Ensure the roots are placed in moist, well-draining soil or a shallow aquatic planting medium to help them establish quickly.
Yes, this variety is quite resilient and is hardy in zones 3 through 9. It can withstand a wide range of temperatures, making it a reliable perennial for many regions.
Still have a question?
Ask Hayley anything about this product before you decide.