Veronica longifolia Vernique 'Dark Blue', offered here as Speedwell 'Dark Blue', is an upright speedwell grown for blue to blue-purple flowers on slender spikes and clean green foliage. It matures 18 to 24 inches tall with a 12 to 18 inches spread, giving you a clear footprint for edging, grouping, or mixed perennial beds. The habit forms a compact basal clump with vertical bloom stems, so the foliage and bloom remain easy to place near paths, patios, or the front of a planting.

Choose full sun to part shade within USDA Zones 4 to 8, then provide well-drained average soil and regular water while the roots establish. It performs best in well-drained average soil with routine watering during establishment. Good spacing helps air move around the clump and lets the stated spread develop naturally.

The flowers add wildlife value by attracting butterflies during the active bloom season. Use it in border fronts where its scale and texture can be seen easily.

For best results, combine this selection with companions that enjoy the same light and soil, then repeat it in small groups when you want a stronger ribbon of color. Remove faded spikes for a tidy look and to encourage continued bloom. Mulch lightly to moderate soil moisture while keeping crowns from staying wet. The compact dimensions make it easy to repeat in rhythm, tuck beside paths, or combine with foliage plants that share the same cultural needs. A simple routine of watering, light grooming, and cleanup keeps the planting looking intentional without complicated care. With its summer interest and manageable footprint, it gives you a practical way to add reliable color, texture, and structure to the landscape.

Specifications

• Cold hardiness zone: 4-8 (-30 degrees F) - Contact your local extension to confirm hardiness if you are in a fringe zone (we cannot guarantee hardiness in fringe zones)
• Light: Full sun   Part sun
• Mature height: 18-24"
• Spread: 12-18
• Attracts: Butterflies
• Good for borders & edging: Yes

Shipping

FREE SHIPPING - Classy Groundcovers offers free shipping, and your plants never spend more than three days in transit.

Precise delivery - another benefit from shopping with us is that you know hpw to control exactly when your order will be shipped.

Shipping information that applies to all plants:
- When We Ship
- You May Specify Your Shipping Date
- Lookup Shipping Date and Tracking Information
- Special Delivery Instructions
- Changing Your Shipping Date
- Accepting Delivery
- Unpacking Your Order
- Returns

Care