Thanks Chris @midnightgardener you're only seeing the middle and top in this pic and mine are the same way, I've learned that once the are tall enough to have others around the base to hide and for added moisture😊
I just asked him and he said 'no other plants that he can think of'. Glyn has had asthma since childhood. He has many allergies but most aren't related to plants. He's very allergic to cats and horses but not dogs!