That’s rather shallow for a woody plant which will need a bit of root space. I’d treat the spaces like containers and plant something like Euonymus if you want an evergreen, but it doesn’t have very noticeable or attractive flowers. Ornamental grasses will be fine and easy to lift and replant when you point or render your brickwork. Good columnar grasses which will tolerate that root space and location include Calamagrostis Karl Foerster, Panicum Northwind plus sedges like Carex which you could combine with spring bulbs or annuals for colour.
thank you for all your kind suggestions. I don’t like euphorbia and we already have holly, escallonia and yew so I will look at choisya and ceanothus as possibles !
Certainly not a great depth @muckyhandsmike. If you were able to raise the edging a little bit, that would help to get a better depth for shrubbier plants. Hebes would be fine though.
It's a place where beautiful isn't enough of a word....
I live in west central Scotland - not where that photo is...
Another possibility is Osmanthus burkwoodii which is evergreen and has scented white flowers, although the depth of your soil will restrict its height. I have one in a windy, sunny location on quite shallow soil with sandstone below which I have pruned into a low column. It seems quite resilient and has started to flower again now, which it shouldn't do in October!
I love pyracantha @Loxley, and it's superb when trained and shaped like that. I pass a lovely specimen on a cottage wall when I go north east on my travels.
Don't know if @muckyhandsmike will like the thorns though, if he has to remove it for doing the wall
It's a place where beautiful isn't enough of a word....
I live in west central Scotland - not where that photo is...
I plumped for a choisya earlier today and a small azalea accepting that I need to do some more digging down … time for the mace … when it stops raining !
The Japanese azaleas, the small evergreen ones, certainly don't mind sun, but you'll need to be vigilant with watering until established as it's up against the wall. Plenty of bark mulch will be ideal too.
It's a place where beautiful isn't enough of a word....
I live in west central Scotland - not where that photo is...
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Hebes would be fine though.
I live in west central Scotland - not where that photo is...
Don't know if @muckyhandsmike will like the thorns though, if he has to remove it for doing the wall
I live in west central Scotland - not where that photo is...
I live in west central Scotland - not where that photo is...