Planting Near A Walnut Tree

When selecting plant material for a home garden it is important to first take inventory of the trees on your property and neighbouring properties. Trees like walnut can present a real challenge for gardeners. Not only do the plants you select have to deal with shade and strong competition for water and nutrients, (as with planting near any large tree), they additionally have to contend … Continue reading Planting Near A Walnut Tree

Viburnum Leaf Beetle

Viburnum leaf beetles (Pyrrhalta viburni), are a serious threat to many species of viburnum. They are voracious feeders with a long feeding season. Both the larvae and adults feed on viburnum leaves. The larvae skeletonize the leaves while the adults chew oblong holes in them. If their numbers are great enough they can completely defoliate a viburnum shrub, causing dieback that can lead eventually to … Continue reading Viburnum Leaf Beetle

Juniper Rust (aka) Apple Cedar Rust

Juniper Rust (Gymnosporangium juniperi-virginianae) better known as Apple Cedar Rust. Is a fungal Disease requiring 2 years and 2 host plants to complete it’s life cycle. In the first group of host trees you have Apple, Quince and Hawthorne. In the second group you have Eastern Red Cedars and many varieties of Junipers. The disease can be quite destructive and disfiguring. The disease at maturity … Continue reading Juniper Rust (aka) Apple Cedar Rust

Fire Blight In Purple Sand Cherries

Fire Blight caused by Erwinia amylovora, is a serious bacterial disease that affects purple sand cherries as well as many members of the rose family. Purple sand cherries that have been infected have the appearance of having been scorched by fire. The disease is systemic and spreads rapidly leading to extensive damage, even death. There is no cure only management. Symptoms Blossoms: at first appear water … Continue reading Fire Blight In Purple Sand Cherries

Black Knot Disease of Plum and Cherry Trees

Black Knot Disease otherwise known as Dibotryon morbosum, is a serious, yet fairly common fungal disease of plums and cherry trees (including choke cherries). Other members of the Prunus family (like peaches, nectarines, apricots and almonds) can also be affected but it is less common. The affected trees develop hard, black elongated swellings, called knots, thus the name black knot. These knots are scattered throughout … Continue reading Black Knot Disease of Plum and Cherry Trees

Winter Garden Care – Protecting Your Plants From Salt Damage

Rock salt or Sodium Chloride (Na Cl) is commonly used to deice roads and walkways. As a deicer it is fast, easy to use, effective and affordable. On the down side though, its corrosive nature is damaging to vehicles, roads and pathways. This same salt can also be very damaging to plant material. There are 3 ways in which salt can damage your plant material: … Continue reading Winter Garden Care – Protecting Your Plants From Salt Damage

Eastern Filbert Blight On Harry Lauder’s Walking Stick

Eastern Filbert Blight is a disease caused by the fungus – Anisogramma anomola and is native to the northeastern United States and eastern Canada (although it has appeared in British Columbia, as early as 2001). Hazelnuts native to this region (Corylus americana) have proven to be more resistant to the disease (some are even immune) than the imported European hazelnuts (Corylus avellana). For Harry Lauder’s Walking Stick, a contorted hazelnut (Corylus avellana … Continue reading Eastern Filbert Blight On Harry Lauder’s Walking Stick

Magnolia Scale Identification and Treatment

Magnolia scale (Neolecan cornuparvum) are one of the largest soft scale insects in North America measuring 1/2″. They feed on the sap of magnolias weakening them. Their feeding creates a sticky mess that attracts wasps, ants and the like. The sticky leaves grow black sooty mold on them and the beauty of the tree is greatly marred. Identification If your Magnolia tree has Magnolia Scale … Continue reading Magnolia Scale Identification and Treatment

Boxwood Blight Verses Volutella Blight; Symptoms, Causes and Treatment

Boxwood Blight Symptoms and Causes Boxwood Blight (also known as Cylindrocladium buxicola) is an aggressive fungal disease caused by the fungi Calonectria pseudonaviculata.  This disease strikes healthy Boxwood, quickly causing mass defoliation. You will typically see Boxwood Blight flair up during rainy or humid seasons, where the leaves stay wet for extended periods of time. If the fungi is present during ideal conditions it will begin … Continue reading Boxwood Blight Verses Volutella Blight; Symptoms, Causes and Treatment