A fairly new and definitely rather special delphinium which doesn't get too tall and won't tend to flop, Highlander Crystal Delight has the usual elegant spires of flower in mid-summer, but the flowers themselves are frilly doubles in lilac blue around apple green centres. Full sun. Any reasonable soil. 36 in. 2 litre pot.
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June and July is the peak flowering season for delphiniums, but Crystal Delight will give you further flushes of bloom later in the season, especially if you cut back flowering stems as they go over.
Slugs and snails can sometimes be a problem when growing delphiniums, so you may want to take preventive measures, such as sprinkling a bit of gritty sand around your plants, especially when they are just coming into leaf in the spring.
Delphinium Crystal Delight is a tall hardy perennial plant with spires of frilled double lilac blue and green flowers in summer suitable for full sun.