Archive for the ‘Environmental issues’ Category

Protect Your Home Against Artillery Fungus

If you notice tiny black specks covering your home or garage siding or coating your auto parked nearby. The problem may be artillery fungus, also called shotgun or cannonball fungus (Sphaerobolus). Tiny fungal spores, barely 2 millimeters wide, propel themselves up to 20 feet away from the ground onto vertical surfaces. The fungus generally targets […]

Favorite Native Shrub Pollinators

These eight (8) shrubs amaze me by the numbers of bees and other pollinators that their flowers attract when blooming. Virginia sweetspire (Itea virginica) is an erect, rounded, broad-spreading, deciduous shrub with arching branches. Itea grows 3-4 feet (less frequently to 5 feet) tall with similar spread. Fragrant, tiny white flowers borne in cylindrical, drooping racemes […]

Attracting Hummingbirds

This time of year many gardeners are setting out bird feeders, including those filled with a sugar solution to encourage hummingbirds to visit your garden. Unfortunately, the sugary drink will also attracts numerous ants, bees, and wasps. When warm spring and summer weather arrives, the solution clouds up with bacteria which ferments or perhaps fatal […]

Downtown Street Trees With A Narrow Vertical Form

On the subject of land, Mark Twain wrote: “they’re not making any more of it”. This is particularly true in downtown urban areas where land to grow trees is usually very limited. Here are five tall trees that possess a striking vertical accent. Their upright branch habit does not take up much horizontal space. Trees […]

Trees That Age Gracefully

Trees transition from youth (seedling), middle age and old age (maturity) before requiring a chain saw and replacing. Some age gracefully, actually appreciating in $$ value. Many ginkgo, hickory, beeches, sugar maples, and Southern magnolias live 100 years plus. Oaks such as such as white (Q. alba) and live oak (Q. virginiana) mature in majesty  over several hundred years.   It’s […]

25 Trees For Autumn Leaf Color

Fall leaf colors of woodland and landscape trees vary from one year to the next. Foliage colors are determined by monthly weather conditions and several environmental factors. Rainfall amounts and daily temperature levels during August and September are key determining factors. Best autumn leaf colors develop as daytime hours are shortening, daytime hours are sunny and […]

Zone 6 Hardy Camellias – Plant Now!

More and more people gardening in zones 6 and 7 have discovered that they can successfully grow camellias. Once considered an exclusively Southern plant, many camellia varieties are very cold hardy where winter temps drop to 0 to 5°F. Their floral buds burst open with bright whites, pink and red shades, and spotted color blends. […]

Temperamental Big Leaf Hydrangeas

Get use to it… big leaf hydrangeas (Hydrangea macrophylla), also called hortensia hydrangeas, are temperamental (USDA hardiness zones 6-9). After a long winter of sub-freezing temperatures, these blue (or pink) flowering shrubs should be stunningly beautiful in spring. However, if the late winter- early spring temps flucuate wildly, grab your pruning shears. Too most gardeners, myself included, […]

Know About Liriopes

Monkeygrass (Liriope muscari) and creeping lilyturf  (L. spicata) are native to Asia. They are known by several names including lilyturf, monkeygrass, spider grass and liriope (USDA hardiness zones 6-10). Some varieties are hardier than others. In general, L. muscari have more narrow leaves. Depending on variety, spikes of lavender, purple, or white flowers arise in […]

Update On Boxwood Blight Disease

A decade ago, boxwoods (Buxus spp.) were the quintessential shrubs, particularly for formal hedges. Over the past half century, many new boxwood varieties have been introduced into nursery commerce, a boxwood variety that will work in most garden situations.  Just five years ago, boxwood production at U.S. nurseries was greater than for azaleas, hollies, hydrangeas, and arborvitaes. […]