Often misnamed ‘Autumn Crocus’, cup-shaped flowers on naked stems; poisonous and tastes bad to critters that may be tempted to eat them; flowers appear in the fall and foliage, which resembles hosta leaves, appear in the spring; prefers rich, well drained soil and partial shade to full sun; many are species and are variable in their color and growth habit. Bloom mid-late fall; can bloom without being planted in soil; 3 per sq. ft; whz 4-8; 13/+ cm unless otherwise noted. Colchicum are long term perennial bulbs that get better each year.