Klasea bulgarica (Bulgarian Saw-wort) — pure white or occasionally purple thistle-like flower heads, held on tall, stiff, branching stems from midsummer into autumn. Full sun to support its statuesque growth and promote heavy summer flowering.
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🌿 Grown at our London nursery — collect in person or arrange local delivery
📦 Dispatched within 3 business days via Royal Mail
Product features
Botanical name: Klasea bulgarica
Common name: Bulgarian Saw-wort, Thistle-like Klasea
Height: 1.5m – 2.5m
Spread: 0.5m – 1m
Foliage: Large, architectural, lance-shaped grey-green leaves, forms basal rosette
Flower: Pure white or purple thistle-like flower heads, midsummer into autumn
Attractive to wildlife: Highly attractive to bees, butterflies, moths; seeds feed birds in autumn
Soil Type: Light, well-drained loam or sand
Drought tolerant: Moderately, prefers consistent moisture
Hardy: Hardy (H4/H5/H6)
Position: Full sun to very light partial shade
Evergreen: No, dies back in winter
Suitable for: Architectural structure, back of borders, prairie schemes
Materials and care
Light: Full sun to support statuesque growth and heavy flowering
Aspect: Open, sunny south- or west-facing gravel gardens
Soil type: Light, poor to moderately fertile sandy or loamy soils
Drainage: Excellent, free-draining soil essential
Watering: Water regularly until established, then drought-tolerant
Deadheading: Snip spent blooms to prolong the season
End of season: Leave seed heads for structure, cut back in spring
Fertiliser: Avoid heavy feeding — causes weak, floppy stems
