Archive for the ‘alkaline soil’ Category

Six Easy To Grow Spring Wildflowers

These six native wildflowers emerge in early spring in rich woodland soils. In gardens grow them in moist, organically rich soils in partial to full shade. Adding compost substitutes for fertilizing. All grow in moderately acidic to slightly alkaline soils (pH 6.0-7.5). Plants go dormant by early to mid-summer, earlier if soils dry out. Under ideal […]

Smoketrees For Their Multi-Seasonal Appeal

Smoketree or smokebush (Cotinus coggygria) is a large shrub or small tree native from southern Europe to central China (USDA hardiness zones 5-8). Over time it typically matures to 10-15 feet high and wide. Depending on cultivar (see list below), smoketrees have oval leaves tinted in rich purple, gold, or green shades. Generally, they grow […]

Some Conifers Don’t Like Summer Heat And Clay Soils

Most conifers are best grown in deep, moist, well-drained, acidic loamy soils and in full sun. In the deep South evergreen conifers are challenged by warm soils, poor soil drainage, and humidity. Humidity increases their susceptibility to diseases. Once established they are drought tolerant, but most fail in poorly drained wet soils. Many pine species […]

Changing Garden Soil pH

In general, the garden soil pH fluctuates only slightly unless you accidentally spilled fertilizer or limestone. Soil pH is also affected by rainfall patterns, decomposing organic matter, and bacterial activity in the ground. In the eastern U.S. rain water is slightly acidic. Acid rain is the result of these pollutants (mostly sulfate and nitrate) from […]

‘Sun King’ Aralia Named 2020 Perennial Plant Of The Year

Plants with golden foliage can brighten up almost any drab garden patch. Sun King golden aralia (Aralia cordata ‘Sun King’) is no exception, hardy in USDA hardiness zones 3-9. It is also known as Japanese spikenard and mountain asparagus. Under ideal conditions this thornless, rhizomatous, herbaceous perennial grows rapidly to 3-5 feet tall and as […]

Arizona Cypress Standouts

Arizona cypress (Cupressus arizonica var. glabra) is a needle evergreen conifer native to the Southeast U.S. and is noted for its rapid growth rate. It is also grown as a Christmas tree and is rarely troubled by disease and insect problems. Depending on what part of the U.S. that you garden in, damage from bark […]

Lots Of Choices In European Hornbeams

European hornbeam (Carpinus betulus),, aka ironwood and musclewood, is an underused tree in the U.S. It makes an excellent urban street and park tree. It develops a full, dense canopy and has very few maintenance requirements (USDA hardiness 4-7).  European hornbeams are planted across Europe for their formal upright form as street trees, privacy screens, […]

Peony Care in the Fall

October and November are ideal for fall herbaceous peony bed cleanup and to get ready for winter. Fall is the ideal time to dig up and divide old clumps of peony roots and to plant new plants. Old yellow and brown foliage comes off easy with hand clippers. Don’t pull or yank off the foliage! […]

Tall Stonecrops (Sedums)

Stonecrops (Hylotelephium spectabile) are tall clumping sedums. They are frequent seen in their habitat growing on rocks or stony ledges. Also written as Sedum spectabile, many varieties grow 1.5 to 2 feet high. Approximately 33 species of these drought-tolerant herbaceous perennials are found to Asia, Europe and North America (USDA hardiness zones 3-9). Stonecrop make excellent […]

Bleeding Hearts Delight In The Spring Garden

Bleeding hearts (Dicentra spp.) are truly one of nature’s glorious delights in the spring garden (USDA hardiness zones 3-9). Old fashion bleeding hearts (D. spectabilis), indigenous to Asia, grow taller and wider compared to their North American counterparts – wild bleeding heart (D. exima) and Dutchman’s breeches (D. cucullaria). Old fashioned bleeding bear larger (and showier) flowers […]