anemone bank euphorbia flora flowers Greece Greek green red spring spurge wild yellow biennial Caryophyllaceae Dianthus garden grow nature petals pink summer sweet William clump delicate flower leaves natural pale shady Soil woodland abundant background bush Lantana many orange profusion shrub texture bright cultivar lupin lupinus perennial purple showy white bells blue Campanula England english Great Britain plants cottage display home house rural Sussex tiny umbel umbellifer Umbelliferae 'blue bird' blue flower blue mallow delightful colours. summer bush town garden