All veronicas, or speedwells, are undemanding perennials which love sunshine and well-drained, moist soil. Veronica longifolia, sometimes known as the long-leafed speedwell because of its slender foliage, is a fairly tall, vigorous plant with slim stems that sometimes need support. The natural species, a woody-stemmed plant found wild beside streams, lakes and in other fairly wet places, may seem dull in an otherwise colourful border, but many of its varieties have brighter, richer flowers. 'Blauriesin', 'Blue Giantess' or 'Foerster's Blue', is one of the loveliest, taller than most and a choice plant for any moist but well-drained site. Plant in groups for maximum impact.
Plant type: Hardy perennial
Flower colour: Blue
Foliage colour: Mid-green
Sun exposure: Full sun, Partial shade
Soil: Well-drained/light, Moist
Skill level: Beginner
Time to plant seeds: September to November
Time to divide plants: September to May
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