Self-seeding flowers are not always a gardener's dream come true. Learn which 10 gorgeous blooms might become more trouble than they're worth in your yard.

Vibrant flowers are a great addition to your garden, but not when they're invasive. These blue flowers are aggressive growers ...

The plant bears clusters of large, bell-shaped, violet-blue flowers that hang from tall, erect stems. The delicate flowers attract a wide range of pollinators, including bees, butterflies, and ...