The Rockdale Gardener

Gardening Posts From Rockdale Cooperative Extension

Magnolias and hollies dropping leaves

Each spring we County Agents get questions about magnolias and other broadleaf evergreen plants such as hollies dropping leaves. We generally call this phenomena ‘evergreen leaf drop’. Deciduous plants such as oak trees drop all of their leaves each year…all at once. Evergreen plants such as magnolias drop all of their…
Read More

Problems on Cedars This Spring

I have gotten many calls about various cedars/cypress/pine trees (Deodara, Italian, Leyland, etc.)  turning yellow or bronze and dropping needles. There are several things going on right now that could be the problem: Spider mites – cool season spider mites like Southern Red Mite thrive in cooler temperatures. Our relatively cool…
Read More

Fire Blight on Pears

Check out these pictures of Fire Blight infection on flowering pears (photos by Harris County, UGA). According to the UGA Publication on Fire Blight, “Fireblight is a destructive, highly infectious and widespread disease caused by the bacterium Erwinia amylovora. Fireblight can be a problem in Georgia and is particularly prevalent in…
Read More

Screens Block Unwanted Views

Homes in suburbia are getting closer together. Lot sizes are shrinking and houses are getting bigger. Space is limited and privacy is at a premium. Screens block views and can be created by the proper placement of any object or plant. Walls, trellises with vines, buildings, fences and hedges can…
Read More

Emerald Ash Borer

The (EAB) is a non-native and highly invasive insect that has killed tens of millions of ash trees in 25 states and in Canada since it was first discovered near Detroit, Michigan in 2002, It is thought that EAB was accidently introduced into the U.S. from Southeast Asia in infested shipping…
Read More

Adding Beneficial Insect Preservation to Your Pest Management Business

by Steve D. Pettis Rockdale County Extension Agent Pollinators in the news Pollinators have been headlining the news for months now. With reports of declining Monarch Butterfly populations and honeybee deaths seeming in the news daily, homeowners are becoming aware of the plight of pollinators and other beneficial insects. Just…
Read More

Scout Trees for Trunk Rotting Fungi Now

Trees planted decades ago in older neighborhoods are in decline in cities all across Georgia. Urban trees tend to have shortened lives, some living no more than fifty to eighty years. Urban forests in many metro areas have begun to mature and decline in overall health. Declining trees are very…
Read More

Fall is the Time for Fungi

The sun sets early in the woods this time of year. Where it is daylight until 6 p.m. out in the open, the light starts to fade in the woods at 5 p.m. under the canopy of a forest. This is the best time of day to see mushrooms. Take…
Read More

Ambrosia Beetles Kill Japanese Maples

If you own a Japanese maple, flowering cherry tree, redbud or any smooth barked tree, be vigilant! An insect pest is out there stalking your prized landscape tree. It is very tiny but it can bring even large trees down. This insect is an exotic invasive known as the Granulate/Asian ambrosia…
Read More

Leyland Cypress Gets Really BIG!!!

In this article from the UK, homeowners had to take action after their neighbor’s Leyland Cypresses overgrew their property! I’m afraid this will happen in the US eventually. Leylands Get Really Big! Plant Them Far Enough Apart. Leyland cypress (x Cupressocyparis leylandii) is one of the most commonly used landscape trees…
Read More

Construction Damaged Trees Fight to Survive

Question from client: “I had my septic system redone and half the roots of my magnolia tree have been destroyed…will the tree die?” Answer from me: “If half the roots have been cut then half of the tree will die. Trees maintain a roughly 1:1 root-to-shoot ratio. Damage will likely…
Read More

Eastern Redbud and Flowering dogwood, Harbingers of Spring

In the forests of the eastern United States, the native Eastern Redbud Cercis canadensis blooms magenta as the native Flowering Dogwood Cornus florida blooms white. Heralding the arrival of spring inn March and April, this native duo signals to plant lovers in the southeast that the gardening season has begun. The…
Read More

Page 1 of 212