Garden Design then Garden. From a blank canvas to a 2D plan to a 3D visualization and walk through so you can see a completed garden within your budget. Then further guidance given on hard/soft landscaping, supply of Plants, Maintenance, Enhancement, all by a Qualified Garden Designer
See RHS Plant Finder
Research, Research, Research -Things to Consider BEFORE the Garden Centre, Supermarket, Magazine, Seed catalogue, Wholesalers
Suggest you go to Morrisons supermarket where you can buy new shrubs for £2/3 just make sure they're healthy & watered
On Acid soil use Lime, Chalk, Oyster shells, Wood Ash to bring it back to Neutral
Nutrients in fertiliser bags will show the % of NPK
Butterfly bush (Buddleja davidii, also B. globosa, B. alternifolia),,
Caryopteris (Caryopteris × clandonensis),
Firethorn (Pyracantha cultivars), Yellow, Red, Orange produce flowers, berries and act as good security due to deadly thorns.
Hawthorn* (Crataegus monogyna), Flowers well and security with deadly thorns will grow into tree easily
Heather (Calluna vulgaris), Most require Ericaceous soil
Ivy* (Hedera helix) Good cover but can damage brickwork/fence etc
Oregon grape (Mahonia aquifolium),
Sallows (Salix spp., especially male forms of Salix caprea),
Spiraea japonica, Great grower with half coloured leafs. GC may sell as Magic carpet but they will grow up to 4' plus
Thyme (Thymus spp.).
Alyssum (Aurinia saxatilis)
C. montana, C. macrocephala,
Globe artichoke (Cynara cardunculus);
Globe thistles (Echinops spp.);
Ice plant (Sedum spectabile - dark red cultivars are less attractive);
Jacob's ladder (Polemonium caeruleum),
Perennial candytuft (Iberis sempervirens),
Scabious (Scabiosa spp.Knautia arvensis and Succisa pratensis),
ANNUAL AND BIENNIALS
Alyssum (Lobularia maritima)
Buddleja x weyeriana 'sungold' Different to other Buds Orange round flowers that go into December.
Cornflower (Centaurea cyanus)
Honesty (Lunaria annua);
Stocks (Matthiola incana and hybrids)
Sweet William (Dianthus barbatus)
Verbena (Verbena rigida)
Wallflower (Erysimum cheiri)
Single flower accessible for pollinators i.e. short tongued hoverflies or long tongued butterflies.
59 British species of Butterfly.
Swop plants with neighbours and at least you know they will grow in your area
Get seeds & sow, free seeds from mags
Divide your overgrown plants if poss e.g. bluebells, crocosmia
Replant shrubs to better positions or to fill gaps
Buy self seeder's e.g. poppies
Replant e.g. seeds/plants dropped from birds can be replanted into an area of your desire.