This plant has in the system Hansen/Mussel used for describing perennials the following code : 1.3.2.4
Explanation of the first digit : General location : WOODLAND. Plants, that in a garden need to be planted close to trees or shrubs. They require shade and prefer a peaty soil.
Explanation of the second digit : Specific demands of the plant : Plants that like the shade, between trees and shrubs.
Explanation of the third digit : Where to put : Not too sunny, for instance in a darker corner of a border.
Explanation of the fourth digit : Other characteristics : Does not sucker much, combines well with other plants.
Color : paarsblauw
Flowering period : july - august
Size approx. : 60 cm.
Recommended quantity per square meter : 7
Location of the plant shown in the first picture : tuin J. Ramsbotham
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