Blue ster is a strong perennial that drought and shade. The average size is 70 cm. The flower colour is blue. This plant is hardy.The flowering period is May - June.
This plant has in the system Hansen/Mussel used for describing perennials the following code : 1.1.2.4
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 for light shade and a rich, fairly moist soil, with not too many tree-roots. For example near buildings or fences.
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.
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