That little piece looks more escallonia than osmanthus but would be good to see the shape of the plant
Felicia? but that's just a name that sprung into my mind, nothing I grow
It's one of the equisetums, horsetails. Very persistent and deep rooted. Those are the fruiting bodies
It's a biennial so let it seed if you want some for the future
It's a bit early to be looking for a nest, they're still looking for nesting sites
certain aspects of it look like Viper's Bugloss, Echium vulgare. Have you got any more photos?
What are Ladies and Gentleman, is that the same as Lords and Ladies?
that sounds very likely Philippa
a worn out woody plant may not be dead but it lacks potential. It's given it all away.
I should think the new plants will grow better if you do. Otherwise you'll have a limited choice of plants that will grow in impoverished soil.