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 ‘winter hardiness’ Category
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 […]
Three Native Flowering Shrubs For Your Summer Landscape
Virginia sweetspire (Itea virginica) flowers in late spring with dark green, pest-free summer foliage that turns brilliant red in fall (USDA hardiness zones 5-9). It thrives in full sun to partial shade, and in moist mildly acidic soils. It is also highly drought tolerant once established. Fertilize […]
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 […]
Six Summer Annuals Your Grandma Did Not Know About
Angelonia (“summer snapdragon”)… are outstanding performers in the summer flower garden, yet so many gardeners have never heard of them. Angelonias demonstrate outstanding heat and humidity tolerances. Serenita™ (12-14 inches high), Serena™ (15-18 inches high), and Archangel™ (12-14 inches tall high) series, are available in purple, lavender, pink, […]
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 […]

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