bulbs England english euphorbia flowers garden Great Britain nature red spring spurge Sussex tulips yellow Calluna heather ling natural plants purple summer wild blooms daffodils narcissus native petals trumpets blue Greece Greek Leguminosae light lupin lupinus plant sunlight basket canada hanging lamp nova scotia ocean pole sea shelburne sveres water bushes Cornish cornwall gorse grass landscape meadow Ulex bush cultivar pink pool rhododendron shrub tree woody plant lilac spikes syringa