Click to expand Tap to zoom Alder Cones (50 pcs) by Hobby Sold out Dhs. 34.50 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Sold out Black Alder Cones (Alnus glutinosa) harvested from European alders. This product is made by nature and supports plant growth, gently decreases the pH value and blocks harmful bacteria and fungi.