For approximately 9000 liters of water

beds or as border planting

Lovely in the flower bed

Neutralizes chlorine and heavy metals

HORNUM Hortensia Blaa Kur 1,1 l. slyngplanter For approximately 9000 liters ofHydrangea blue cure is a mineral mixture with aluminum sulfate that gives the beautiful blue color to the flowers. Also called color me blue for hydrangea. Apply twice during the growing season, just before flowering and in the middle of the flowering period. The 1. 1L bucket is enough for approximately 50 plants per season. Hydrangeas get the best blue color when the soil pH is slightly on the acidic side. Content: Aluminum sulfate 17 18%