brightly-coloured carpeting-plants clump-forming clumps color coloration colored colorful colors colour coloured colourful colours common daisy-like drought-tolerant environmental-weed flower flowers garden-escape garden-flowers gazania gazanias golden hardy introduced-species invasive lance-shaped-leaves low-growing perennial plants prolific rapid-spreader resilient roadside-weeds South-African streaked tough vivid water-wise weed widespread wind-blown-seeds yellow april beauty bloom blooming blossom blossoms flora flowering garden high view lovely May nature romantic spring tulip tulips ball barrel Cacti cactus desert globe prickles Prickly Spain spanish sphere spikey spiky spines spiny three trio xerophyte beautiful centre cultivar dahlia England english flowerhead Great Britain head middle nestling petals pink unfolding white decorative flower pot geraniums ornamental pelargoniums pot red stone summer Surrey terracotta urn wall arbour bench curved green lattice long peace refreshing relax rest seat shade trellis tunnel climber everlasting fence fuchsia Lathyrus Leguminosae peas purple Sussex sweet