tomentosum - Doublefile Viburnam Viburnum prunifolium - Blackhaw Viburnum Viburnum x burkwoodii - Burkwood Viburnum Viburnum x burkwoodii 'Mohawk' - Mohawk Viburnum It’s free! Asked April 20, 2018, 6:06 PM EDT. The viburnum beetle is a major pest of ornamental plants, but it's the larvae that cause the main problems Credit: Photo: Turnip Towers / Alamy Time was when viburnums were relatively pest-free. If your Viburnum has angular shaped, water soaked, diseased areas on its leaves, the plant may have bacterial leaf spot, also known as bacterial blight. Viburnum davidii. OSU Extension Service Education Center, phone 503-821-1150, address: 1815 NW 169th Place, Suite 1000, Beaverton, OR 97006. Item 7420. A future project. Viburnum plicatum - Doublefile Viburnum Viburnum plicatum tomentosum - Doublefile Viburnum Viburnum plicatum tomentosum 'Mariesii' - Marie's Doublefile Viburnum Viburnum plicatum var. If infection occurs early in the season, leaves can become distorted. Viburnum is a diverse genus that includes many shrubs suitable for temperate gardens. This disease is caused by Pseudomonas syringae pv. At the end of last summer I noticed one of them was droopy, so I made sure it was watered and didn't pay much attention over the winter. of an OSU Master Gardener The Desk: Homeowner Home and Garden advice MG program began as a way to meet demand for this information Restricted to calls from non-commercial sources Provide diagnosis and advice within the office or by phone A few weeks training… Then off to the front lines! There are very few rules in gardening, but perhaps the most important one is to work within your zone. The cultural controls are worth noting and following. Learn more > USDA Zone: 7-9. Review this plant. I want to add a waterfall here with constant moving water. The shrub at the back is Viburnum davidii which most of my plant friends disparage.This is probably because it is over-planted around the region. Viburnum Davidii problems. Zones. Hi. OSU Extension Marion and Polk Counties First, identify the plant ... Viburnum tinus-sunburn Symptoms appear later in the year Lilac (Syringa vulgaris): ... Viburnum davidii: leaf notching due to root weevils Colorado Blue Spruce (Picea pungens): White Pine weevil (Pissodes strobi) I have a group of 5 viburnum davidii that are about 10 years old. Two big advantages… 1. Scholars Archive is a service of Oregon State University Libraries & Press 121 The Valley Library Corvallis, OR 97331-4501 Contact Us Services for Persons with Disabilities 2. viburnum. shrubs that flower in Summer (Caryopteris x clandonensis, Clethra alnifolia, Hydrangea species, Itea virginica, Phildelphus species, etc.) Water flows from the roof to the little creekbed. Hemiptelea davidii celtis c. c. c. c. c. Moraceae cordifolia* bungeana jessoensis koraiensis aurantiaca* edulis* Morus mongolica Juglandaceae Juglans mandshurica Mangnoliaceae Schizandra chinensis Magnolia parviflora Berberidaceae Berberis poireti B. amurensis Gramineae Sasa coreana* 8 or that flower all Summer-long (Buddleia davidii) vase-shaped shrubs (Hamamelis x intermedia, Viburnum plicatum tomentosum) Choosing plants that grow and thrive in your particular climate is the very first step toward having a beautiful garden. A layer of exuded bacterial cells often found on the leaf surface can make the leaves shiny. Here is the PNW Handbook page for Viburnum bacterial blight. From the roof to the little creekbed the leaf surface can make the leaves shiny i a! Gardening, but perhaps the most important one is to work within your zone the shrub at back... ' - Marie 's Doublefile Viburnum Viburnum plicatum var surface can make the leaves.... 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