This plant has in the system Hansen/Mussel used for describing perennials the following code : 5.4.4.9
Explanation of the first digit : General location : ALPINE GARDEN. Plant-lovers plants, they are difficult and demanding concerning treatment, place to put and soil. For the experienced gardener.
Explanation of the second digit : Specific demands of the plant : Plants for a shaded place, keep dry in the winter.
Explanation of the third digit : Where to put : Chalkfree grit needed in the soil. A moist soil wanted.
Explanation of the fourth digit : Other characteristics : Demands good care in 'food and drink' or shelter.