Yarrow (Achillea millefolium) is a rhizomatous spreading perennial (USDA hardiness zones 3 to 9). The species originates from Europe and Asia and was introduced to America in colonial times. Today, yarrow is frequently seen naturalized along roadsides, fields, and gardens throughout the U. S. Yarrow has fern-like, aromatic, foliage. […]
Archive for the ‘Perennials’ Category
Butterfly Weed – Long-lived Flowering Perennial That Nourish Monarchs
Milkweed (Asclepias tuberosa), aka butterfly weed, is a tuberous rooted perennial native in the Eastern and southern U.S. (USDA hardiness zones 3 to 9). It grows in dry/rocky open woodlands, prairies, farm fields, and along roadsides. Individual plants typically grow as a clump to 1- 3 feet high and 1 ½ feet wide. Unlike many of […]
Three Native Landscape Grasses To Try
These three native grasses are easy to establish in average, dry to medium moist, well-drained soils and in full sun. They tolerate a wide range of soils including dry rocky sites, and are exceptionally drought tolerant. Figure on 1 to 2 years for each to become fully established. Blue Lyme Grass (Leymus arenarus ‘Blue Dune’) is a vigorous spreading cool […]
Tips On Growing Delphiniums
Modern day delphiniums (Delphinium spp.), also called larkspurs, are the result of 2 centuries of complex breeding efforts in Europe and U.S. Delphiniums are short-lived perennials, at their best for 2-3 years. They’re most attuned to the cool temperate climes of the northern U.S. Delphiniums belong in the Buttercup (Ranunculaceae) family (USDA hardiness zones […]
Hold In Confinement
Some plants are incredibly aggressive. Herbicides like Roundup™ won’t phase them. They often escape and take over other areas of your garden or neighborhood. Four notorious examples are ditch lilies (Hemerocallus fulva), swamp milkweed (Asclepias incarnata), Mexican petunia (Ruellia brittoniana), and pink evening primrose (Oenothera speciosa). You can grow these four weedy offenders in confinement. All will survive […]
‘Sun King’ Golden Aralia Glows In Summer Garden
Plants with golden foliage brighten up a dark area in the garden. Sun King golden aralia (Aralia cordata ‘Sun King’) is no exception, hardy in USDA hardiness zones 3-9. Bright golden compound leaves emerge in mid-spring and Sun King aralia retains its bright color through the summer months. This long-lived perennial […]
Monitor And Manage Two-Spotted Spider Mites
Two-spotted spider mites are destructive pests that ravage a wide host of shrubs and garden plants, including certain house plants, annuals, perennials, herbs and vegetables. Many evergreens are also susceptible. Two-spotted spider mites are warm season arachnids, not insects, and are exceptionally troublesome over a hot dry summer. They […]
Japanese Holly Fern
Japanese Holly Fern (Cyrtomium falcatum ‘Rochfordianum’) is a handsome, evergreen fern for gardens in USDA hardiness zones 6-11. It earns its name from its stiffly erect holly-like fronds. Individual fronds are vase-shaped, 1 to 2 ½ feet long with glossy, leathery, serrated, holly-like compound leaflets (pinnae). The slender, arching fronds arise from erect, scaly rhizomes […]
New Coreopsis Cultivars All The Rage
Threadleaf coreopsis (Coreopsis verticillata), also called tickseed, is a popular summer flowering perennial. Coreopsis are native to the U.S. and produces hundreds of pale-yellow blooms. Depending on cultivar, plant grows 12 to 18 inches tall and 2 feet wide. Some gardeners even plant old-time favorites like ‘Zagreb’ and ‘Moonbeam’ as annuals (USDA hardiness zones […]
Summer Blooming ‘Little Lemon’ Goldenrod
Goldenrods are members of the aster family (Asteraceae); approximately 100 species of goldenrods are native to North America. Across most of the Eastern and Midwestern U.S., goldenrods are frequently spotted growing in moist soils in open farm fields, in ditches, and along edges of streams. The golden yellow blooms attract countless bees, butterflies and other […]