One of the most popular and imposing of long stemmed perrennials, the mainstay of any cottage garden or border. The long stately flower spikes are produced abundantly in shades of of lavender, blue, purple and
One of the most popular and imposing of long stemmed perrennials, the mainstay of any cottage garden or border. The long stately flower spikes are produced abundantly in shades of of lavender, blue, purple and white from early summer. Well suited to close plantings where they will support each other. To maximise germination seeds should cold-treated (stratified) first. Place the still-sealed packet in the salad drawer of the fridge for a week or two. For most sowings the plants will flower in the second season although a limited display may be obtained from a very early spring sowing under cover with warmth. Best sown thinly from May to August in trays with fine seed compost outside or under unheated glass. Cover seeds lightly with 1/8 inch of fine compost or vermiculite and keep moist.
Germination can be up to 3 weeks depending on soil temperature. When 2 in high thin and transplant to large plugs or separate pots and grow on. Beware young plants left outside are attractive to slugs and snails and will need protection. Plant out to their growing positions in Sep / Oct and provide support as soon as stems start to form in early spring.
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