Veronica 'Sunny Border Blue' (Speedwell): Long-Blooming Violet-Blue Spikes

Overview

Veronica longifolia 'Sunny Border Blue' was the 1993 Perennial Plant of the Year. This upright, clump-forming speedwell reaches under 2 feet tall with glossy, crinkled dark green leaves. From early summer to frost, it produces branched spikes (to 7 inches) of dark violet-blue flowers. Exceptional for long-season color in mixed borders.

Growing Conditions

Full sun to part shade in moderately fertile, well-drained soil. Medium moisture. Adaptable to various soil types.

Care and Maintenance

Divide in spring every few years. Deadhead to encourage rebloom. Cut back after flowering. Low maintenance.

Common Problems

Scale insects, downy mildew, powdery mildew, rust, leaf smut, root rot. Good air circulation and drainage help.

Landscape Uses

• Mixed borders (long-season color)
• Containers
• Cut flowers
• Groundcover (small scale)
• Naturalizing
• Cottage and meadow gardens

Key Features

• 1993 Perennial Plant of the Year
• Dark violet-blue flowers, early summer to frost
• Glossy, crinkled dark green foliage
• Under 2 feet tall
• Frost tolerant
• Long bloom season