Common name: Purpletop Vervain
Plant Classification: Hardy perennial
Minimum Height: 90 cm
Maximum Height: 1.2 meters
Every garden should have this long flowering beauty which flaunts its sprays of fragrant purple flowers, on wiry angular branching stems, from June until the frost. Acts as a magnet for butterflies.
Sowing advice: For best results, sow seeds onto a good soil-based compost. Cover the seeds with fine grit or compost to approximately their own depth. They can be sown at any time, and although germination can be quicker if kept at 15 to 20 degrees C, we sow most seeds in an unheated greenhouse and wait for natural germination as many seeds wait for spring before emerging regardless of when they are sown. Spring sowing will obviously give them a full season of growth.
$3.77 / packet
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