Front Garden Redesign Project

I've been thinking about it most of the year about ripping up the small front lawn and planting the entire bed up . I've been working on a plan mentally for months and over the past few nights on paper, the idea I am going for is English garden meets the prairie , I like prairie planting and particular Piet Oudolf work . I don't want to part with some plants you wouldn't see in a prairie like roses / bearded Iris / lavender and various other plants that are more commonly seen in a English cottage garden .
Garden today in this dismal weather


The garden only viewed from the front window and walking up the path on the left . Its also south facing
The plan so far .. Probably have far to many varieties of plants I am being far to greedy . I've left the bottom right I am still think about it I'd like to grow some Eremus or I've got some agapanthus or carry on with the stachys / other. I already have most of the plants on the plan

I am still considering on some plants they are kind of in because I haven't got anywhere else to go with them. Some I am still thinking on which variety like Miscanthus want something 5-6ft ideally white / silver flowers but not fussed with good autumn foliage with strong stems for winter interest considering ferner osten - flamingo - Kleine varieties open to suggestions . Can't make my mind up with the salvia either Amethyst or maybe one of the verticillata which I've been very impressed with . Some plants near the window may still get juggled around . Unsure on the eryngium I've seen a river of eryngium before which looked really effective , I've already got Neptune gold but may change to Big blue / other or take them out entirely.
Lots of Alliums to add ( universe - firmament - purple rain and any other allium I can't resist buying ) and maybe Fritillaria persica / alba .
Any suggestions / queries welcome
.
Garden today in this dismal weather


The garden only viewed from the front window and walking up the path on the left . Its also south facing
The plan so far .. Probably have far to many varieties of plants I am being far to greedy . I've left the bottom right I am still think about it I'd like to grow some Eremus or I've got some agapanthus or carry on with the stachys / other. I already have most of the plants on the plan

I am still considering on some plants they are kind of in because I haven't got anywhere else to go with them. Some I am still thinking on which variety like Miscanthus want something 5-6ft ideally white / silver flowers but not fussed with good autumn foliage with strong stems for winter interest considering ferner osten - flamingo - Kleine varieties open to suggestions . Can't make my mind up with the salvia either Amethyst or maybe one of the verticillata which I've been very impressed with . Some plants near the window may still get juggled around . Unsure on the eryngium I've seen a river of eryngium before which looked really effective , I've already got Neptune gold but may change to Big blue / other or take them out entirely.
Lots of Alliums to add ( universe - firmament - purple rain and any other allium I can't resist buying ) and maybe Fritillaria persica / alba .
Any suggestions / queries welcome

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Posts
I've grown some of those plus about a dozen Miscanthus down the years... Kleine Fontaine was one of my favourites..
I grow hundreds of alliums @Lizzie27 I love them one of my favourite plants more the merrier , I usually chop them up while trying to plant something else. I don't buy purple sensation so much now which does try and self seed the others seem well behaved .
Thanks @Marlorena I'll take Kleine Fontaine on board, I am questioning the amount of plant varieties . Some like Thalictrum Anne will likely not go in, and Geranium Dragon Heart which does look nice with Rose GC but its a thug and swamps other plants, and it doesn't flower anywhere near as much as other magenta varieties like ann folkland / Patricia . The odd other plant may get the chop so I can fill out others, I am trying to keep interest earlier in the year but haven't really got the room. And no room for a path I'll have to tip toe through the bed or set some bricks down , I can reach over from all sides but for next door . I don't like the block planting looks very man made but the drifts look great , I try and adjust the planning to make a big salvia drift by moving the Lomandra down . Some plants I've tried to repeat the colour or form ( Phlox Nicky - Monarda Kardinal ) ( Selinium - Eupatorium ) . I'll clear the area first and put pots down where X Y Z are going see if things will fit.
I've been looking at that garden very impressive and envious on how much space they have @Nanny Beach . Fortunately I am on loam over clay couldn't be doing with 6 inch of soil, I'll have to adjust some conditions for some that require more drainage but other that its a good plot , can't forget the wind