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   Landscape Horticulture
 more...>Hammond Research Station>Landscape Horticulture>
Entomosporium Leaf Spot
leaf spot

Entomosporium leaf spot, caused by the fungus Entomosporium mespili (formerly E. maculatum), is a common disease of various woody ornamentals in the family Rosaceae. In Louisiana landscapes, however, it is most commonly a problem on Indian hawthorn (Raphiolepis indica) and red tip photinia (Photinia fraseri).

Alternanthera/Joseph's Coat Evaluations in the Landscape - 2011
red hots

Alternanthera is what we used to call Joseph’s coat. The foliage of most Joseph's coats is multi-colored. The most spectacular of these is Brazilian Red Hot. We are currently evaluating the following varieties at the LSU AgCenter’s Hammond Research Station.

Azaleas: An Overview of Landscape Care and Considerations from a Gulf States Perspective
spring in the azalea garden

Azaleas are spring showoffs, even though some newer varieties now bloom in other seasons. Most of us may not realize that azaleas represent the main nursery crop grown in many states in the southeast and along the Gulf Coast. In Louisiana, they represent 7% of all nursery plants grown.There are many factors that play a role in the success or failure of an azalea planting in a landscape. These issues include planting time, sun exposure, soil pH, bed preparation and more. . .

Crape Myrtle Blooming Issues
yuma flower

Crape myrtles are the most popular summer flowering landscape tree in Louisiana. Here are the keys to blooming issues.

Vinca - Recommendations for Landscape Success
vinca bed
Vinca (Catharanthus roseus) is a very popular warm season annual bedding plant. Recommended cultural practices include a full sun planting location, acid soil, a well-drained bed, limited irrigation and correct variety selection.
Lantana Lace Bugs
lace bug
Lantana lace bugs have been very abundant in south Louisiana landscapes the past two years. Here is some identification and control information.
'Drift' Series Roses - Photo Gallery
coral flowers
The 'Drift' series roses from Conard-Pyle are being evaluated in landscape studies at the LSU AgCenter's Burden Center. Colors are red, pink, coral and peach. New for 2010 will be apricot and sweet.
People's Choice Awards from Landscape Horticulture Field Day - 2009
purple flash
Green industry professionals attending the landscape horticulture field day at the LSU AgCenter’s Hammond Research Station in June were given the opportunity to “pick their winning plants” from the sun garden evaluation trial gardens at the station. Over 340 varieties were planted this year. The planting mostly consists of annual bedding plants and herbaceous perennials, but new roses and some “companion” woody ornamental shrubs (such as Southern Living plants) are also included.
Changing Soil pH
Changing Soil pH
A handy reference chart with information on changing soil pH with lime and sulfur applications.
Firewise Landscaping
A current effort at the Hammond Research Station is the development of a “firewise” landscape around the new office building. We do not hear a lot about this topic in Louisiana, but “firewise” effort in home construction and landscaping needs to be considered.
Tree Irrigation During Establishment
How long does it take for a newly planted tree to become fully established in the landscape? How much irrigation is required during establishment?
Landscape Mulch Demonstration Study
colored red mulch
A demonstration of different landscape mulch materials is on-going at the Hammond Research Station. Here are photos of the different mulches currently being evaluated.
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