Poisonous Hemlock (Conium maculatum) is an extremely poisonous plant. There is great concern over this plant due to the personal safety of humans, foraging domestic animals and wild life. Most of the cases of poisoning to humans has been the result of foragers misidentifying the plant, believing the root to be that of the edible … Continue reading Poisonous Hemlock (Conium maculatum)
These long, gangly looking insects look like giant mosquitos but they are completely harmless (they neither bite nor sting). Their off spring (leather jackets) can cause some serious damage though, (if in sufficient numbers), to the roots of lawns and other garden plants. European Crane Flies (Tipula paludosa Meigen) Crane Flies (sometimes called daddy-long-legs or mosquito hawks) are long … Continue reading Crane Flies And Leather Jackets Turf Damage and Control
What is Lilac Witches’ Broom? Lilac witches’ broom is a serious systemic disease of lilacs for which there is no cure. Infected lilacs typically gradually decline until they die. The characteristic symptom is the development of witches’ broom (tight clusters of short, thin branches that all stem from the same point). These witches’ brooms tend … Continue reading Lilac Witches’ Broom
Purple leaf sand cherry (Prunus cistena) are susceptible to a large number of potential insect and disease pests. One of those insect pests is the European fruit lecanium scale (Parthenolecanium corni) or EFS for short. This native, soft bodied scale insect primarily feeds on fruit trees, although other trees and shrubs, such as maples, can be … Continue reading European Fruit Lecanium Scale on Purple Leaved Sand Cherry
In my region of Southern Ontario we are experiencing above average rainfall this year and the lawns and vegetation are lush and green. For many other provinces and states however they are experiencing above average temperatures with little rainfall. Keeping lawns and gardens thriving during these times can be challenging. Following are a few tips … Continue reading Lawns and Gardens- Tips For Surviving The Summer Heat And Drought
Clematis vines are a popular choice for ornamental home gardens. Large flowered, early blooming varieties are particularly popular. These show stopping, head turning vines both amaze and delight all who cross paths with them. A fairly common disease of clematis to be on the look out for is clematis wilt (Phoma clematidina). You will sometimes … Continue reading Clematis Wilt
Tent Caterpillars Tent caterpillars construct their silky tent like nests in early spring in the crotches of trees such as cherry (Prunus) and apple (Malus). They feed during the day, then at night they return to the tent for protection. Your first line of defense should be to begin looking for these nests in early … Continue reading Insect Pests To Be On The Lookout For In The Garden
Springtails (Collembola ) are anthropods within the class of hexapoda. Many specialists now classify them in a separate subclass called Entognatha due to the fact that their mouth parts are not external (like insects) but rather they are internal (or mostly so). They are named for most of the species ability to jump short distances … Continue reading Springtails
Pine bark adelgid (Pineus strobi) is an aphid like insect that feeds on the plant juices of white pines and occasionally Scotch and Australian pines. You are not likely to see the insect itself but rather the white cottony wax the insect covers itself with. Heavily infested tree trunks and branches can look white washed. … Continue reading White fluff on Pine Trunks and Branches…Pine Bark Adelgid
What Are Galls? Galls are unusual growths or deformities of plant tissue caused by an organism; be it insect, nematodes, fungi, bacteria or viruses. The presence of these organisms initiates an increased production of normal plant growth hormones and these plant hormones cause localized plant growth. The gall-making organism feeds inside the gall. The appearance … Continue reading Spindle Galls; Unusual Growths On Linden Leaves Caused by Eriophyid Mites
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