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'Giotto' is an erect herbaceous perennial to 1.5m in height, with divided foliage and erect spikes of deep blue and violet, semi-double flowers 7cm across, with pale brown eyes
'Margaret' is an erect, vigorous perennial, branching and floriferous. Flowers are bright mid-blue, with large white eyes which may show a blue splash
'Min' is an herbaceous perennial to 2m in height, with erect racemes to 90cm in length, composed of semi-double, purplish-white flowers, strongly tinged violet at the edges
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Delphinium...Delphinium publications...The RHS is the International Cultivar Registration Authority for Delphinium...
The RHS publishes the Delphinium Register Cumulative Supplement 1996...Subsequent annual supplements are published in the Yearbook of the Delphinium Society...Addendum to a Tentative Check-list of Delphinium Names...
Delphinium...12th Delphinium Supplement...12th Delphinium Supplement (233kB pdf
Delphinium...1st Delphinium Supplement...1st Delphinium Supplement (155kB pdf
Delphinium...14th Delphinium Supplement...14th Delphinium Supplement (372kB pdf
Delphinium...8th Delphinium Supplement...8th Delphinium Supplement (45kB pdf
Delphinium...11th Delphinium Supplement...11th Delphinium Supplement (129kB pdf
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