It's called a "meadow". There are meadow flower seed mixtures sold. Best on chalky soil, not so easy on acid. For same year, the word is "annual". Be felxible about rooting depth; let the plants decide.
Cut after flowers have had time to set seed and you may have a repeat next year. Suggest just mowing July/Aug and again in October.
location: Surrey Hills, England, ex-woodland acidic sand. "Have nothing in your garden that you don't know to be useful, or believe to be beautiful."
Why do they need to be shallow rooting? It can be quite difficult to introduce flowering plants into grass - I presume you're trying to create a meadow? If so, they tend to need poorer conditions than the grass likes. If you can give a bit more info that will help
It's a place where beautiful isn't enough of a word....
I live in west central Scotland - not where that photo is...
Have a you left the area unmown before? There might already be some flowers in there
If you have a garden and a library, you have everything you need.”—Marcus Tullius Cicero East facing, top of a hill clay-loam, cultivated for centuries (7 years by me). Birmingham
Shallow because I am growing them in trays. I am testing how part of my shed would look as a living roof. Before I commit, I have grown grass in trays on top of this shed and now I wish to introduce some flowers into it.
Ah - for a living roof as @Silver surfer describes. I'd just go for sedums and saxifrages etc. That makes up the bulk of green roofs, and they'll work in lots of sites. They need minimal conditions to grow in. Remove the grass though
It's a place where beautiful isn't enough of a word....
I live in west central Scotland - not where that photo is...
Posts
Cut after flowers have had time to set seed and you may have a repeat next year. Suggest just mowing July/Aug and again in October.
"Have nothing in your garden that you don't know to be useful, or believe to be beautiful."
It can be quite difficult to introduce flowering plants into grass - I presume you're trying to create a meadow? If so, they tend to need poorer conditions than the grass likes.
If you can give a bit more info that will help
I live in west central Scotland - not where that photo is...
East facing, top of a hill clay-loam, cultivated for centuries (7 years by me). Birmingham
You will find masses of suggestions.
https://www.rhs.org.uk/garden-features/green-roofs
https://www.google.com/search?q=plants+suitable+for+green+roofs&client=firefox-b-d&source=lnms&tbm=isch&sa=X&ved=2ahUKEwiprqaN0bD-AhXBilwKHWBdCWsQ_AUoAXoECAEQAw&biw=1280&bih=595&dpr=1.5
I live in west central Scotland - not where that photo is...