Liatris

Tall purple flower spikes characterize the several species of Liatris that are used as ornamentals in gardens. This native plant is at home in the border as it is in a meadow or prairie planting. There are several species and varieties of this easy-to-grow herbaceous perennial. Learn more about Liatris in this article…

Verbena bonariensis

With its long, airy sprays of purple flowers, Verbena bonariensis is a great addition to the garden. It is a perennial, but only to zone 7. However, it is very easy to grow and will flower the first year from seed, so can be treated as an annual in colder climates. The flowers are highly attractive to butterflies and other insects. To learn more about Verbena bonariensis, read this article…

Bird of Paradise, Strelitzia reginae

The iconic, stereotypical flower of the tropics – bird of paradise – isn’t really a tropical plant at all – Strelitzia reginae is from subtropical southern Africa! But there’s no denying it has a very exotic bloom that looks tropical. Although it won’t survive outdoors in the midwest, it can be grown as an indoor or patio plant. To learn more about this interesting flower, read this article…

Russian sage, Perovskia atriplicifolia

With airy purple-blue flowers and gray-green leaves, Russian sage is a nice addition to the late summer garden. This semi-woody plant can be used as a substitute for lavendar where it is too cold to grow that plant reliably. It combines well with ornamental grasses and white-flowered perennials. To learn more about Russian sage read this article…

Ageratum, Ageratum houstonianum

Not many bedding plants boast blue flowers. Ageratum flowers come in a variety of blue, pink and purple tones and various heights.  The soft fuzzy flowers are dainty and feathery, often delightfully fragrant, and usually completely cover the plants. To learn more about this easy-to-grow, tender annual, read this article…

Lantana

Lantana is a tender perennial shrub that’s grown as a flowering annual in colder climates. The species may have rangy habits, but newer ornamental types are compact, more floriferous and come in a variety of colors. To learn more about this plant, read this article…

Support Extension