Four spiny Horse Chestnuts hanging from a branch of a horse chestnut tree being blown by the wind amongst infected leaves that have leaf blotch

aesculus hippocastanum leaves leaf blotch conkers horse chestnut ripening ripen leaf green disease infection green shell uk irregular blotches spiky nature branch nuts grow tree palmate brown environment growing twigs jagh four england hanging summer united kingdom low sun toothed nobody no one no people