Zone one: submergent
Permanently submerged in more than 300mm of water.
- Ceratophyllum demersum
- Mentha aquatica
- Nuphar lutea
- Nymphaea spp. (water lily)
- Orontium aquaticum
- Ranunculus aquatilis
Zone two: emergent
0–300mm of water.
- Acorus calamus
- Butomus umbellatus
- Caltha palustris
- Geum rivale
- Glyceria maxima
- Iris laevigata
- Lysimachia nummularia
- Menyanthes trifoliata
- Myosotis Scorpioides
- Nasturtium officinale
- Persicaria amphibia
- Pontederia cordata
- Potentilla palustris
- Sagittaria sagitifolia
- Scrophularia auriculata
- Veronica beccabunga
- Carex acutiformis
- Carex paniculata
- Juncus effusus
- Scirpus species
- Typha minima
Zone three: wet meadow
Permanent moisture, occasionally flooded in periods of excessive rainfall.
- Ajuga reptans (Bugle)
- Angelica archangelica (Angelica)
- Anthericum liliago var. major (St. Bernard's lily 'Major')
- Aquilegia vulgaris (Common columbine)
- Astilboides tabularis (Common astilboides)
- Camassia leichtlinii
- Camassia quamash
- Cardamine pratensis (Cuckoo flower)
- Cirsium rivulare 'Trevor's Blue Wonder'
- Darmera peltata
- Digitalis lutea
- Digitalis purpurea (Foxglove)
- Filipendula ulmaria
- Filipendula vulgaris
- Fragaria vesca
- Iris sibirica ‘Tropic Night’
- Iris sibirica ‘Perrys Blue’
- Iris chrysographies ‘Black Form’
- Ligusticum scoticum
- Lychnis flos-cuculi
- Lythrum virgatum
- Myrrhis odorata
- Persicaria bistorta 'Superba'
- Primula vialii
- Ranunculus acris (Meadow buttercup)
- Rodgersia aesculifolia
- Rodgersia pinnata 'Superba'
- Sanguisorba officinalis ‘Lum'
- Stachys palustris
- Symphytum officinale
- Trollius 'Cheddar'
- Thalictrum dasycarpum
- Valeriana alliariifolia
- Valeriana dioica
- Valeriana officinalis
- Carex divulsa
- Carex pendula
- Deschampsia cespitosa
- Luzula nivea
- Asplenium scolopendrium
- Blechnum spicant
- Matteuccia struthiopteris
- Osmunda regalis
- Sambucus racemosa var. pubens
- Sambucus nigra subsp. canadensis ‘Maxima’
- Cornus sanguinea
- Crataegus monogyna
- Hippophae rhamnoides
- Crataegus monogyna
- Acer campestre
- Alnus glutinosa ‘Laciniata’
- Pinus mugo
Zone four: upland
Seldom or never submerged.
- Agastache foeniculum
- Armeria maritima
- Artemisia ludoviciana
- Asphodeline lutea
- Baptisia 'Purple Smoke'
- Calamintha nepeta 'Blue Cloud'
- Carduus nutans
- Centaurea nigra
- Centranthus lecoqii
- Cerinthe major 'Purpurascens'
- Daucus carota
- Dianthus carthusianorum
- Echium vulgare
- Euphorbia ceratocarpa
- Euphorbia myrcinites
- Glaucium flavum
- Hesperaloe parviflora
- Heuchera richardsonii
- Iris germanica ‘Black Knight’
- Iris germanica ‘Blue Rhythm’
- Knautia arvensis
- Linaria vulgaris
- Lotus corniculatus
- Nepeta ‘Walkers Low’
- Origanum vulgare
- Origanum vulgare ‘Kent beauty’
- Orlaya grandiflora
- Papaver dubium subsp. lecoqii albiflorum
- Papaver rupifragum
- Salvia ‘Bee’s Bliss’
- Salvia indica
- Salvia pratensis
- Sempervivum arachnoideum
- Sempervivum montanum
- Sempervivum tectorum
- Silene dioica
- Silene latifolia
- Silene vulgaris
- Sisyrinchium striatum
- Thymus ser. ‘Elfin'
- Thymus coccineus 'Porlock'
- Thymus vulgaris
- Trifolium ochroleucon
- Verbascum nigrum
- Verbascum chaixii 'Sixteen Candles'
- Verbascum phoeniceum 'violetta'
- Anemanthele lessoniana
- Carex testacea
- Schizachyrium scoparium
- Sesleria autumnalis
- Sorghastrum nutans
- Aloe striatula
- Teucrium fruticans 'Azureum'