My wife has been doing some work for a client, she's been asked to cover these holes in the ceiling and is worried they're asbestos. I'm not sure who drilled the holes originally, the building is ~1890s build in London, England. Any way to tell from these pictures?
Plant list
Forgotten a couple of varieties names and a couple of species names:
Bay treeX1
Strawberry X3
Chrysenum x12
Cleever (volunteer)X1
Boridge (volunteer) X1
Oregano x1
Lemon balm x1
Thyme x1
Rosemary x1
Cannabis sativa purple bud x2
Kiwi vines x2
Squash Patty Pan x9
Calamintha x12
Pom Pom tree ? X3
Mustard sp. (Volunteer)X1
Yarrow x1
Scabius x1
Rose x1
Globe artichoke x1
Alchamilla mollis x1
Daffodills x12
Crocuses x12
Horesradish x3
Overwintered Parsley x1
Sweet pea x4
Small dark green, heat shaped leaf flower? X5
Asparagus fern x1
Harts tongue fern x1
Fern 1 x1
Fern 2 x1
Sage x1
Korean leaf x1
Mint x12