This plant has in the system Hansen/Mussel used for describing perennials the following code : 3.2.5.5
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 : non-suckering mostly grey or silvery-gray plants.
Explanation of the fourth digit : Other characteristics : Robust, often large plant. Can be used as a solitary plant.
Color : gelig wit
Flowering period : june - august
Size approx. : 100 cm.
Recommended quantity per square meter : 3
Location of the plant shown in the first picture : Hortus Botanicus Leiden
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