Sea holly, Eryngium zabelii Big Blue, Close view of thistle-like flower head surrounded by silvery blue bracts.
Sea holly, Eryngium x zabelii Jos Eijking. Thistle-like flower heads surrounded by spiny, silvery blue bracts.
Sea holly, Eryngium x zabelii Jos Eijking. Thistle-like flower heads surrounded by spiny, silvery blue bracts.
Sea holly, Eryngium x zabelii Jos Eijking. Thistle-like flower head surrounded by spiny, silvery blue bracts.
Common Water Hyacinth, Eichornia crassipes. Spikes of pale blue flowers of water plant considered invasive outside native habitat.
Crocus cultivar, tightly furled flower and pointed leaves emerging from snow.
Orchid, Blue vanda with pale blue petals marked with checkerboard pattern at the 2011 Orchid Festival in Chiang Mai, Thailand.
Paperwhite Narcissus, Narcissus papyraceus. Multiple stems displayed together indoors.
Our Lords candle, Hesperoyucca whipplei. Spikes of creamy yellow flowers extending from rosette of stiff, spine tipped leaves. USA, California, Sequoia National Park,
