Red poppy varieties are perennial flowers in the genus Papaver, which is known for its short-lived yet dramatic flowers and gray to green, deeply dissected foliage. Red poppy flowers range from scarlet red to bright red, some tinged with orange. According to Fine Gardening, "flowers are wide-spreading, bowl-, cup-, or saucer-shaped." They grow best in full sun and well-drained soil.
Poppy 'Flamenco Dancer'
Papaver orientale 'Flamenco Dancer' is a red poppy variety with a clumping form. It grows 1 to 3 feet tall and produces large, 4- to 6-inch-wide, true red blooms with fringed and frilled edges that have a velvety texture. The showy, attractive flowers of 'Flamenco Dancer' appear in later spring to last into early summer and are ideal planted in groups along a perennial bed or border. Once the flowers fade, 'Flamenco Dancer' undergoes its dormancy stage, so be sure to interplant with other flower varieties. 'Flamenco Dancer' grows best in full sun and well-drained, organic-rich soil. Plant in USDA zones 3 to 7.
Papaver orientale 'Allegro' is a type of oriental red poppy with a dwarf form. It grows up to 1 ½ feet tall and wide and features large, papery-thin, solitary, 4- to 6-inch-wide, cup-shaped flowers that grow along the long stalks and emerge in late spring to early summer. Each 'Allegro' flower produces four to six red and orange petals with distinct dark blotches along the basal area of each petal. The contrasting dark purple stamens on 'Allegro' create a rich, dramatic display. The gray to green, 12-inch-long, pinnately dissected, thistle-like, serrated foliage on 'Allegro' is lance-shaped. Foliage on 'Allegro' yellows and dies after the flowers bloom, in summer, with the new leaves emerging in fall to overwinter until spring. 'Allegro' grows best in full sun and well-drained, organic-rich soil. "According to Missouri Botanical Garden, it is intolerant of high summer heat and humidity in the deep south. Plant 'Allegro' in USDA zones 3 to 7.
Poppy 'Beauty of Livermere'
Papaver orientale 'Beauty of Livermere' is a red poppy that grows taller than most varieties. It grows up to 3 feet tall and 2 feet wide, an ideal poppy to grow in masses to create a focal point to the garden. The cup-shaped, crepe-thin, large petals grow 4 to 6 inches wide, with some reaching a diameter of 8 inches. Each flower on 'Beauty of Livermere' produces four to six scarlet red petals with dark blotches at each petal base. The 12-inch-long, serrated, thistle-like, gray to green foliage is dissected into lance-shaped segments that have a weedy appearance. 'Beauty of Livermere' grows best in full sun and well-drained, nutrient-rich soil and tolerates light afternoon shade during overly hot summer days. Grow in USDA zones 3 to 7.