Flowers every year (damp)
Once established, many plants that flower every year (perennials) can largely be left to do their own thing. They annually manage a good floral season without the need to 'deadhead' (remove spent blooms). In most cases they eventually form large clumps. You can choose to divide these or just leave them alone!
Plants (804)
Solenostemon scutellarioides 'Walter Turner'
Painted nettle
Solenostemon scutellarioides 'Wisley Tapestry'
Painted nettle
Sparganium erectum
Branched bur-reed
Speirantha convallarioides
Starry lily of the valley
Stylophorum diphyllum
Wood poppy, Flaming poppy, Yellow poppy
Stylophorum lasiocarpum
Chinese wood poppy
Symphytum
Comfrey
Symphytum 'Blaueglocken'
Comfrey
Symphytum 'Hidcote Blue'
Comfrey
Symphytum 'Hidcote Pink'
Comfrey
Symphytum 'Lambrooke Sunrise'
Comfrey
Symphytum caucasicum
Blue comfrey
Symphytum grandiflorum
Large flowered comfrey, Knitbone, Boneset, Dwarf comfrey, Ground cover comfrey
Symphytum ibericum
Iberian comfrey
Symphytum officinale
Boneset, Bruisewort, Common comfrey, Knitbone
Symphytum x uplandicum
Russian comfrey
Symphytum x uplandicum 'Variegatum'
Russian comfrey
Synthyris
Synthyrsis
Synthyris missurica 'Major'
Columbia synthyris
Tellima
Fringe cups, False alumroot
Tellima grandiflora
Alaska fringecup
Tellima grandiflora 'Purpurteppich'
Alaska fringecup
Tellima grandiflora Rubra Group
Alaska fringecup
Thalictrum
Meadow rue
Thalictrum aquilegiifolium 'Album'
Yellow maidenhair, Columbine meadow rue, Common meadow rue
Thalictrum delavayi
Yunnan meadow rue
Thalictrum delavayi
Yunnan meadow rue
Thalictrum delavayi 'Hewitt's Double'
Yunnan meadow rue
Thalictrum flavum subsp. glaucum
Yellow meadow rue, Common meadow rue
Thalictrum rochebruneanum
Lavender mist, Meadow rue
Tiarella 'Dunvegan'
Foamflower, False mitrewort
Tiarella 'Iron Butterfly'
Foamflower, False mitrewort
Tiarella 'Ninja'
Foamflower, False mitrewort
Tiarella 'Spring Symphony'
Foamflower, False mitrewort
Tiarella 'Sugar and Spice'
Foamflower, False mitrewort
Tiarella 'Tiger Stripe'
Foamflower, False mitrewort
Tiarella cordifolia
Coolwort, Alleghany foamflower, False mitrewort, Heartleaf foamflower
Tiarella wherryi
False mitrewort, Wherry's tiarella, Mapleleaf tiarella
Tiarella wherryi 'Bronze Beauty'
False mitrewort, Wherry's tiarella, Mapleleaf tiarella
Tolmiea menziesii 'Taff's Gold'
Pick-a-back, Youth on age, Thousand mothers, Picka back plant
Trachystemon orientalis
Abraham Isaac and Jacob
Tradescantia Andersoniana Group 'J.C. Weguelin'
Spiderwort, Spider lily, Trinity flower, Devil in the pulpit, Giant spiderwort
Tricyrtis
Toad lily
Tricyrtis 'White Towers'
Toad lily
Tricyrtis formosana
Formosan toad lily
Tricyrtis formosana Stolonifera Group
Formosan toad lily
Tricyrtis hirta
Hairy toad lily, Japanese toad lily
Trillium
Trinity flower, Wood lily, Wake robin