Seaholly Eryngium planum seed Categories:Herb Metallic blue flowers and in spring bluish-green foliage. Prev: Black Hollyhock Alcea rosea nigra Next: Red Yarrow seed Achillea millefolium ‘Cerise Queen’ Related Solanum xanthocarpum seed Plukenetia volubilis seed Biophytum Sensitivum seed Cannabis sativa seed Paeonia veitchii seed Glycyrrhiza uralensis seed Gaura lindheimeri seed Ensete lasiocarpum seed