Centaurea montana - Perennial cornflower

🌿 Characteristics

Type: Herbaceous Perennial
Common Name: Mountain Bluet
Scientific Name: Centaurea montana
Flower Color: Intense Violet-Blue
Mature Height: 0.4–0.6 m
Mature Width: 0.3–0.5 m
Habit: Bushy, Upright
Bloom Period: Late Spring to Early Autumn
Exposure: Full Sun to Partial Shade
Water Needs: Moderate
Soil Type: Well-Drained, Fertile
Hardiness Zone: Zone 3 to 8
Drought Tolerance: Excellent Once Established
Nectar-Rich Plant: Yes
Attracts Pollinators: Yes
Toxicity to Animals: Non-Toxic

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✂️ Care

Water moderately during establishment, then reduce watering once the plant is well-rooted due to its drought tolerance. Regularly remove spent flowers to prolong blooming and encourage continuous production of delicate blooms.

Prune lightly after flowering to maintain a compact and vigorous silhouette. In autumn, cut stems back to the ground to promote strong regrowth in spring.