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 […]
Archive for the ‘Disease resistant’ Category
Tulip Poplar And Cultivars
Tulip poplar (Liriodendron tulipifera), aka yellow poplar and tulip tree, is a large stately deciduous tree of eastern North America (USDA hardiness zones 4-9). This fast growing native typically grows 60-90 feet tall. It is also an important timber tree. A member of the magnolia family, flowers attract large numbers of bees. Ornate 2-inch-wide goblet-shaped flowers are […]
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 […]
Popular Tomato Varieties In U.S.
Many people who have “retire” from gardening still plant a patch of tomatoes every spring. Tomatoes don’t ask for a lot of care. There is nothing better than a thick slice of tomato with a burger or tuna salad sandwich. Every region across the U.S. has their favorite varieties. The gardener’s favorite appears to be a meaty […]
Invincibelle Spirit Hydrangea Raises Money For The Cure
Since the introduction of the Invincibelle Spirit® hydrangea in 2009, sales from this special plant have raised funds for The Breast Cancer Research Foundation® (BCRF). At the end of 2015, fundraising efforts reached over $900,000 toward its million dollar goal. In addition to donating one dollar for every plant sold, it serves as the heart […]
Widely Planted Norway Spruce
Norway spruce (Picea abies) is a large pyramidal evergreen conifer. It is native to the mountains of northern and central Europe where it often matures to 100 feet or more in height. In the cool temperate areas of the U.S. and Canada, Norway spruce is widely planted, typically reaching 50 to 80 feet tall at maturity (USDA hardiness […]
Stop Destroying Forsythias
Forsythia (Forsythia spp.), also called “yellow bells”, is an extremely popular spring flowering shrub (USDA hardiness zones 5-8). Their bright yellow flowers signal the coming of spring. However, many gardeners do not know how to prune them. Tall 8-12 foot forms of F. x intermedia are commonly sold at most U.S. garden centers. Forsythias grow from 2 to 10 […]
Winterberry Holly Brightens Winter Scene
To escape from dreary days this winter, brightened up your landscape with deciduous hollies. Among a long, long list of deciduous holly species, winterberry holly (Ilex verticillata) is the superior choice (USDA hardiness zones 3-9). Inconspicuous white blooms in spring are followed by red, orange, or yellow berries in fall. Compared to their evergreen […]
Calamint: Tough Reliable Perennial Ground Cover
Calamint (Calamintha nepeta subsp. nepeta) is low mounding subshrub or perennial native to southern Europe; its primary use is as a low growing ground cover (USDA hardiness zones 4 to 8). It is a member of the Lamiaceae family. Foliage grows only 15-18 inches tall. The subspecies, var. nepeta, is the preferred choice because it produces more flowers per inflorescence. Calamint tolerates most soil […]

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