This plant has in the system Hansen/Mussel used for describing perennials the following code : 3.2.7.8
Explanation of the first digit : General location : OPEN SPACES. Plants for an open space, free of trees and shrubs. Always in the sun and a more or less rich soil.
Explanation of the second digit : Specific demands of the plant : Plants for a warm, sunny place, that have the effect of borderplants (with which they combine very well).
Explanation of the third digit : Where to put : Plants that need protection against too much water in winter. Partly used as rock-garden plant.
Explanation of the fourth digit : Other characteristics : Suitable for cut-flowers.
Color : blauw
Flowering period : july - august
Size approx. : 50 cm.
Recommended quantity per square meter : 9
Location of the plant shown in the first picture : Hortus Botanicus Leiden
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