Archive for the ‘Purchasing Plants’ Category

Better Disease Resistance With Mountain Tomato Series

  Tomatoes are attacked by several diseases and insects. Most serious diseases are early blight, spotted wilt virus (TSWV), fusarium wilt (FW), Stemphylium Gray Leaf Spot (St), Alternaria leaf spot (A), and root knot nematodes (N). Major insect problems are aphids, thrips, stink bugs, blister beetles, fruit worms, horn worms, leaf miners, fruit flies, and […]

Pest Alert: Japanese Maple Scale Becoming A Serious Problem

  Japanese maple scale is a new pest in Tennessee and surrounding states. It infests many more plant species than just Japanese maple. The insect’s small size and ability to blend in naturally with tree bark makes it challenging to detect until populations are high and it has infested large landscape and neighborhoods. Japanese maple scale […]

Winter Blooming Flowering Apricot

Flowering apricot (Prunus mume) is native to southeastern Asia(USDA hardiness zones 6-8). It is primarily grown for its mid to late winter bloom of pink flowers. This small 15-20 feet tall tree grows in average well-drained, acidic soils in full sun to partial shade. Avoid planting in heavy or wet soils. Most abundant flowering occurs in full sun. In the […]

Sycamore Maple Performs In Cooler Regions

              Sycamore maple, aka planetree maple (Acer pseudoplatanus) is indigenous to northern and central Europe where it is a popular landscape tree. Very commonly planted in the northeastern U.S. in the early 20th century, this large 50-60 foot tree is rarely found today (USDA zones 4 and 7).  A mature specimen in Jonesborough, Tennessee (zone 6) is over […]

Take A Second Look At Canadian Hemlock

              Canadian hemlock (Tsuga canadensis) is a native evergreen species which is available in many forms: prostrate, globose, weeping, fastigiate and variegated (USDA Hardiness Zones 3-7). Its tremendous versatility as a hedging tree or shrub  in planting sites is also a great reason to continue to include hemlock in the landscape. Hemlock may […]

Blue Atlas Cedar Becoming Very Popular In Urban Landscape

Blue Atlas cedar (Cedrus atlantica ) hails from the Atlas Mountains in northern Morocco and Algeria (USDA hardiness zone 6). The cultivar ‘Glauca’ has been the popular choice because of its blue green foliage. Blue Atlas grows to 40-60 feet in height, but individuals over 70 feet are hard to find. Mature forms, those 50 […]

What A Plant Costs

                        I overheard a customer complain about the “outrageous” prices for plants, particularly the newly introduced ones. Here is some of the whys: Certain plants are difficult to reproduce. Occasionally, stores may stock some expensive items like paperbark maple (Acer griseum) and fringetree (Chionanthus virginicus). These […]

Beware Of Short-Lived And Overly Aggressive Plants

                  Gardening does involve some work, sometimes a lot more if you select the wrong plants. A good purchase may even reduce annual maintenance. Some of them are beautifully tempting at the garden center. Non-hardy woody trees and shrubs often sold by box store garden centers. For example, it […]

Holiday Poinsettia Requires Basic Care

Gifts have been opened and a great dinner served. The holiday season may be waning, but your beautiful poinsettia plant (Euphorbia pulcherrima) will require some minimal care. Generally, the same weekly care that you provide your house plants will keep your poinsettia looking beautiful most of the winter. Here are some basic tips: Place poinsettia in bright natural light […]

Determining A Plant’s Cold Hardiness

On-line nursery catalogs and plant labels at garden centers list the hardiness of the trees, shrubs, vines, and perennials that they sell. Many years ago the U.S. Department of Agriculture (USDA) developed the hardiness rating scale based on geographic location from northern Canada to southern Mexico. Most U.S. gardeners live within Zones 3 to 11. Don’t know […]