Ferula communis

(Giant Fennel) BIG 3-4’ rounded clumps of highly textural feathery foliage topped by purple-tinged 7-8’ towering stems exploding with super-sized branched, glowing yellow umbels, late spring to early summer on mature plants (2-3 years)  ZOUNDS!  This baby will NOT be ignored! Excellent pollinator plant. Well drained soil, sun, some summer water, drought tolerant.