flowers stachys byzantina, gray flower background

background flower plant nature leaf gardening botany herb bloom gray park foliage ornamental perennial outdoors stachys byzantina garden texture decorative herbaceous lambsear medicinal bed silkylanate hairs woolly hedgenettle silverwhite lanata closeup floral grass leaves botanical summertime silver byzantine blue spring lambs ear green meadow summer blooming wooly betony succulent inflorescence flowers