Veronica longifolia 'Marietta' PP25248 | Marietta Speedwell
Sturdy, upright perennial produces long narrow, glossy deep green foliage that forms a clump. Spikes of electric blue flowers open early through midsummer. Great grown with other Veronicas in borders or groupings. Propagation prohibited.
Exposure: Sun/Part Shade Bloom Time: Summer Height x Width: 24-30" x 30-36" Hardiness: -34°C to -29°C USDA Zone: 4