Colorful Columbine Aquilegia Mix - 15 Bulbs Blooms early spring to summer Requires well draining soil / Full Sun to Partial Shade Perennial - Can Grow 24-36 inches Planting Zones: 3-10 As the official flower of Colorado these beautiful multi-colored blooms are perfect for any landscape, garden, or boarder/walkway. Known as one of the easiest flowers to grow and maintain each flower produces five small beautiful petals that layer a colorful interior bloom. These flowers attract butterflies and hummingbirds alike. Columbine flowers can grow between 24' to 36' tall and bloom in early spring. They are ideal for zones 3-10 and require full sun to partial shade.