Gardeners have learned to associate certain plants with a troublesome disease(s). Powdery and downy mildews have become epidemic in many regions of the U.S. Best ways for managing mildew diseases are prevention, good cultural practices, and spraying.. First, avoid planting susceptible cultivars. Plant in the proper location and space plants far enough apart so they’re not touching. Surrounding […]
Archive for the ‘Sycamore (Platanus)’ Category
Powdery Mildew Disease Resistant Cultivars
Posted by Hugh on January 15th, 2017
Posted in Crabapple, Crape myrtle (Lagerstroemia), Disease resistant, Dogwood (Cornus), Pesticide recommendations, Powdery mildew, Roses, Southern Appalachian Region, Sycamore (Platanus), watering tips, Zinnia 
Comments Off on Powdery Mildew Disease Resistant CultivarsLandscape Trees With Messy Fruits
Posted by Hugh on October 13th, 2015
Fruit avoidance is on the mind of many property owners when purchasing trees and shrubs for their yard. Many like crabapples, mulberries and Chinese (kousa) dogwoods produce fleshy or pulpy fruits that mess lawns, walkways and stain parked cars. Many, not all, are non-native and foraging birds and […]
Posted in Attracting birds, Bottlebrush buckeye, Chinese (kousa) dogwood, Crabapple, Garden Maintenance, Ginkgo biloba, Hackberry (Celtis), Messy Fruits, Mulberry (Morus), Native Plant, Norway spruce (Picea), Ornamental fruit, Purchasing Plants, Southern Appalachian Region, Sycamore (Platanus), Trees & Shrubs, Walnut Comments Off on Landscape Trees With Messy FruitsExclamation™ London Plane Tree Is A Game-Changer
Posted by Hugh on August 13th, 2014
Exclamation! London Plane Tree (Platanus x acerifolia Exclamation!™) is probably one the most improved cultivars to date (USDA hardiness zones 4-8). Exclamation! was introduced by Dr. George Ware at the Morton Arboretum and released through the Chicagoland Grows® program. Exclamation! develops a strong central leader, a uniform upright pyramidal shape (when young), a vigorous growth […]
Posted in acidic soil, Aggressive grower, Disease resistant, Drought tolerant, Large Shade trees, Pruning, Soil drainage, Southern Appalachian Region, Street tree, Summer heat tolerant, Sycamore (Platanus), Trees & Shrubs, watering tips, Winter bark, winter hardiness Comments Off on Exclamation™ London Plane Tree Is A Game-ChangerCaveats Before Planting Planetrees (Sycamores)
Posted by Hugh on July 4th, 2014
American sycamore, aka planetree, (Platanus occidentalis) is a native tree planted over a large area of the United States (USDA hardiness zones 4-9). Its enormous size, often 70-90 feet in height, limits it to planting mostly on large landscapes such as parks, golf courses, and industrial parks. Northern U.S. cities have planted it extensively along […]
Posted in acidic soil, Aggressive grower, Aphids, Disease prone, Drought tolerant, Heat Tolerance, Insect (Pest) Problems, Large Shade trees, Native Plant, Pests, Planting tips, Southern Appalachian Region, Street tree, Summer heat tolerant, Sycamore (Platanus), Trees & Shrubs, Winter bark, winter hardiness Comments Off on Caveats Before Planting Planetrees (Sycamores)Mexican Sycamore Thrives In Warm Wet Locales
Posted by Hugh on June 5th, 2014
Mexican Sycamore (Platanus mexicana) is a fast growing deciduous tree hardy in Northeast Mexico (USDA hardiness zones 7 -10) where it inhabits soils that are semi-arid and subject to periodic flooding. Summer leaves are medium-sized, only 8-inches wide. When leaves fall away in autumn its beautiful chalky white bark is a winter asset. The bark […]
Posted in acidify soil, alkaline soil, Drought tolerant, Heat Tolerance, Large Shade trees, Planting tips, Southern Appalachian Region, Sycamore (Platanus), Winter bark Comments Off on Mexican Sycamore Thrives In Warm Wet LocalesSummer Leaf Drop From Trees
Posted by Hugh on August 20th, 2011
It’s late summer in the Southern Appalachian region (USDA zones 6 and 7). Outdoor temperatures continue to hit 90°F almost daily, and weekly precipitation is low. Over the past 3-4 weeks leaves have been dropping prematurely from landscape trees. Tulip poplar (Liriodendron tulipifera), river birch (Betula nigra), willow (Salix spp.), sycamore (Platanus x acerifolia), […]
Posted in Birch (Betula spp.), Elms (Ulmus), Garden Problems, Hackberry (Celtis), Large Shade trees, Premature leaf drop, Redbud, Southern Appalachian Region, Summer heat tolerant, Sycamore (Platanus), Trees & Shrubs, watering tips, Willows (Salix) Comments Off on Summer Leaf Drop From Trees
