From September onwards, the garden borage aster bears purple flowers that spread a pleasant scent. Bees and other insects find them a good source of food. The garden borage aster 'Rubinschatz' is a summer green perennial with lanceolate leaves in an attractive medium green. As an upright growing perennial, Aster novae-angliae 'Rubinschatz' reaches sizes of up to 1.4 m and is about 1 m wide. The soil for the garden borage aster 'Rubinschatz' should be permeable, humus-rich and nutrient-rich so that it can develop optimally. The location should be sunny. This perennial also thrives excellently in pots, which makes it an asset to any balcony or terrace!