The purple flower spikes reach about 2 feet tall and enjoy full sun. Many hybrid catmints are sterile, so they don’t seed. Divide plants in spring or take cuttings in summer.

Iris produces tall purple flowers. They look elegant and sophisticated, especially in open spaces like balconies. Their flowers bloom in different shapes. Credit: Pexels .

An iris bonus is that they are well-suited for cut flowers in vase arrangements. Queen’s Wreath (Petrea volubilis) (Photo by Joshua Siskin) Queen’s wreath (Petrea volubilis).

The leaves are sword-like iris foliage, dark green arising from rhizomes near the ground and grow to 4 feet tall and 2 inches wide. *Light: Plant in full sun to light shade. Skip to content ...

Plant scientists use genomic data to build a family tree of over 200 species in the highly diverse genus Iris, onto which they map traits related to flower color and morphology, and mating system.

Tulips (Tulipa), a popular springtime flower, can take four years or longer to bloom when grown from seed, and they often do not resemble the parent plant.According to Koether, commercial growers ...