countryside England english flowers gorse Great Britain habitat heath heather heathland ling natural nature spring Sussex Ulex yellow Aesculus carnea Hampshire Hippocastanaceae horse chestnut petals pink red tree agave Cacti cactus Catalan catalonia Catalunya coast enormous flower high huge large plant Spain spanish spike bulb garden green head Leucojum pendant pendulant spring snowflake white winter bluebells clearing Hyacinthoides margin Stellaria stichwort trees wild woodland border diversity fountain lawn national trust Nymans path profusion summer topiary Africa blossom creeper karoo petal plants rose roses thorns 3D blosoom butterfly February grass illustration life march seasons Asteraceae buttons close-up Cow Bitter gift Golden Buttons herb Mugwort perennial poison tanacetum tansy