Articles
Gardening Articles
Research-based horticulture information to help keep your plants and gardens thriving.
Russian sage, Salvia yangii (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 lavender where it is too cold to grow that plant reliably. It combines well with ornamental grasses and white-flowered perennials. Learn all about Russian sage in 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 and are very dependable annuals. To learn more about this easy-to-grow, tender annual, read this article.
Concolor Fir, Abies concolor
Concolor fir (Abies concolor) is a great evergreen tree for the Midwestern landscape. It is an attractive tree with very few problems. Learn more about concolor fir in this article.
Lantana
Lantana is a tender perennial shrub that’s grown as a flowering annual in Wisconsin. The species may have rangy habits, but newer ornamental types are compact, more floriferous and come in a variety of colors. Learn more about this plant in this article.