allium drumstick, also known as sphaerocephalon, produces two-toned, burgundy-green flower heads. the flowers open green

background ball beautiful beauty bloom blooming blossom botanical botany bud closeup color detail flora floral flower fresh garden gardening green head isolated leaf macro meadow natural nature onion ornamental outdoor outdoors perennial petal plant pollinate pollination pollinator purple round sphaerocephalon spring summer violet