This grower is sure of this plant identification.
actual variety is 'White Spire', similar to 'Alba'
Veronica longifolia ‘Alba’ (Speedwell). This is an upright plant which produces tall spikes of intense purple blooms. The leaves are deep green and whorled around the strong stems.
They are moderately frost hardy.
Border, cutting bed
Italics = data drawn from parent genus or speciesView Full Plant Finder Record