Is Allium Gladiator a perennial or annual?
Is Allium Gladiator a perennial or annual? Blooming from late spring to early summer, this spectacular bulbous perennial enjoys long-lasting blooms and remains ornamental in the garden well into summer. Hardy bulbs are treated as perennials, left in the ground year after year. Every three to four years they may need to be replaced or […]
Is Allium Gladiator a perennial or annual? Read Post »