8/12/2023 0 Comments Fungus on boxwood shrubsHeavy or compacted soils, however, can kill healthy plants by depriving them of oxygen, which can end up asphyxiating their roots. Given well-drained soil, most varieties thrive in both sun and part shade. Typically low maintenance, it’s slow-growing and relatively drought-tolerant. There’s a reason why boxwood has survived for centuries. And boxwood topiary, a practice that began in Roman times, still plays a prominent role in gardens across the world, including France’s Jardin d’Eyrignac and Prague’s lovely Vrtba Garden.īoxwood edging at Paris’ Luxembourg Gardens GROWING BOXWOOD Today, it is also a common foundation planting. Even so, the species most familiar to Westerners is common box, or Buxus sempervirens.īoxwood fleur-de-lys at George Washington’s Mount Vernonīoxwood has served as hedging since the 16th century. Most of us know boxwood as a shrub, but it might surprise you to know that the broader family ( Buxaceae) includes trees, herbs and around 247 flowering species. There’s just one problem: boxwood is often plagued by a host of pests and diseases. For those of us on the East Coast, the fact that deer won’t eat it only heightens its appeal. Not only does it add structure to outdoor spaces, but its dense, evergreen foliage can be sheared into almost any shape imaginable. If boxwoods grown for commercial sale are infected, they should be destroyed and not sold.Boxwood has been a garden staple for centuries. If plants become infected, remove them from the landscape immediately.Always follow label directions when utilizing fungicides. Homeowners can utilize fungicides containing chlorothalonil or tebuconazole to protect plants from infection or suppress disease development.Increase plant spacing to allow for air movement.Buxus microphylla japonica ‘Green Beauty’.Plant boxwoods with disease tolerance, such as:.Inspect plants prior to purchase, and do not install any plants with an unhealthy appearance.The following management options are recommended: If boxwood blight is suspected, contact a local county Extension agent, who may submit a sample to the UK Plant Disease Diagnostic Lab for confirmation. (Photo: Nicole Gauthier, UK) Management Options Long distance movement is reliant upon the transport of infected plants, infested soil, or contaminated equipment.įigure 3: Symptoms of boxwood blight on stems may appear as dark brown or black streak-like lesions. The disease may be spread by splashing water, wind, tools, clothing, and wet hands.The pathogen can survive buried in soil for 1 year and on plant debris for at least 6 years.
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