Featured Article

Come With Me to Holland for the 2015 Tulip Festival!

This is going to be amazing! I have worked with my long-time tour company operators, Earthbound Expeditions, to charter a river cruise boat in late April, 2015 during the height of the tulip festival in Amsterdam! We will, of course, visit the Keukenhof Gardens, the world famous 79 acre flower park....

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Weeds – Identification with Pictures

Weed control in the landscape is a tough business. You have to know a lot about the weed in question just to get started! As in most situations, a picture is worth a thousand words. Go through the sites below, then choose your method of weed control. Remember: healthy, vigorous...

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“English Ivy Kills Trees” Sign – Who Places Them?

OK – my curiosity is killing me! Who puts up these signs at random spots around Atlanta? I’ve asked a number of arborists: No knowledge. I’ve posted it on Facebook; 21,000 people saw the post: lots of comments, but no answer. If you know, please email me! Debbi D. comments...

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Come With Me to Cuba – Oct 2014

I get real pleasure from travelling with folks who like to see the world. Going to Callaway Gardens was a real trip when I was a kid! Now I get to see the corners of the globe with gardeners (and spouses!) on trips I plan and host each year. In...

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UGA Vegetable Gardening Publications

With food prices high, folks have been thinking about growing some of their own food. Food gardening is not hard and it doesn’t have to take much room in your landscape. You can even do it in containers! These gardening publications are available on the Internet or ask for a...

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  • RECENT ARTICLES
  • POPULAR ARTICLES
  • Careers in Horticulture

    Want to know more about the science of producing nutritious food for the body? Love the art of creating beautiful landscapes to sooth the soul? Feel like the great outdoors is the only office for you? Horticulture has a career...

    READ MORE

  • Where to Get Horticulture Training

    Several Georgia institutions of higher learning offer courses in horticulture. For more information, visit: University of Georgia College of Agricultural and Environmental Science – Department of Horticulture Chattahoochee Technical College Gwinnett Tech Lanier Tech Southern Crescent Technical...

    READ MORE

  • Cryptomeria “Flowers” – Identification

    Q: Can you tell me what these gray tips on my cryptomeria mean? Are they symptoms of disease? A: The gray things are the “male” flowers, which once gave pollen to the round brown cones. The gray ones are from...

    READ MORE

  • Bermudagrass Mite – Identification

    Q: Doing my research, I think this is bermuda mite damage. Am I correct? A: You are exactly correct! Bermudagrass mites attack the ends of bermudagrass stems and cause the classic brooming you see. The good news is that good...

    READ MORE

  • Japanese Knotweed (Polygonum) – Identification

    Q: We have had this vine pop up all over the place on the side of our house. Any idea if it’s friend or foe? A: FOE! Your plant is Japanese knotweed, Polygonum compactum, and it will quickly spread to...

    READ MORE

  • Moss Lawn – Pre-emergent Use

    Q: After this year’s rains, we have lovely moss lawn. Can you recommend a pre-emergent we could use that would be unfriendly to potential weed growth but not harm the moss? A: Pre-emergents are chemicals that prevent seeds from germinating....

    READ MORE

  • Seedless Raspberry – Finding

    Q: I have searched the internet looking for a variety of raspberry plant that is seedless. Does such a variety exist? A: There are dozens of raspberry varieties on the market. Most are hybrids of the hundreds of members of...

    READ MORE

  • Crabapple – Pruning Above Trunk Damage

    Q: My crabapple tree has a big rotten hole in the trunk where a limb broke off. The tree is about 2″ DBH and about 15-20 feet tall. Should we go ahead and cut the tree just below the hole?...

    READ MORE

  • Orchid – Leaves on Stem (Keiki)

    Q: Is my orchid having a baby or what? A: You have a keiki! This is a Hawaiian word meaning “child” or “baby”. Yours isn’t quite old enough to remove from the mother orchid. Keep your plant in bright diffuse...

    READ MORE

  • Fox – Control

    Q: Over the past couple of years, foxes have multiplied and are now residing all over our neighborhood: under porches, under sheds, etc.. We find carcasses of their prey in our yard continually. What to do? A: Like coyotes, foxes...

    READ MORE

  • Trumpet Vine – Madame Rosy

    Q: We have an arbor that is eight feet tall and sixteen feet long. We want a perennial vine with bright flowers that will attract hummingbirds and that will bloom a long time. Would a Madame Rosy trumpet creeper be...

    READ MORE

  • Blackberry vs Dewberry

    Q: What is the difference between a blackberry and a dewberry? A: They are both members of the Rubus genus, along with hundreds of other species. Dewberry is a trailing vine, not a high arching shrub like blackberry. Gardeners have...

    READ MORE

  • Poison Ivy Oil – How Long is it Potent?

    Copied from http://mailman.cloudnet.com/pipermail/compost/2000-April/006688.html A couple of weeks ago, Sharon Barnes asked a question on this listserv about the fate of poison ivy during composting. I found the question intriquing so I decided to use it for the BioCycle Q&A column....

    READ MORE

  • Cotton Seed Meal – Contaminated With Pesticides or GMO

    Q: You recently wrote about using ground cotton seed as an organic fertilizer. But isn’t cotton one of the most heavily pesticide-ridden crops in the USA? A: It’s true that conventional cotton was once grown using high amounts of pesticides....

    READ MORE

  • Agave – Growing in Atlanta

    Q: This is my pitiful blue agave. Most of the exterior leaves are dead. This started after the summer monsoons. I cleaned off the roots (black bugs in there), removed wet soil, replaced with sand. Now, it’s in plant ICU....

    READ MORE

  • Tomatoes – Verti-Gro System

    Q: I saw this hydroponic tomato growing system somewhere in lower Alabama. Can you tell me more about it? A: It’s a Verti-Gro system. It uses stackable Styrofoam pots to hold plants and growing media. The system allows lots of...

    READ MORE

  • Fairy Ring – In Centipede Lawn

    Q: I have a perfectly circled ring of dead centipede grass around my oak tree. I have another oak tree about 50’ from this one that doesn’t have this problem. The ring seems to grow larger every year as the...

    READ MORE

  • Mushrooms – Growing in Potting Soil

    Q: I was surprised to see this mushroom growing in a rather unusual place. A: Mushrooms can grow anywhere there is organic matter to decompose: in this case your potting soil is great food for a fungus. The happy fungus...

    READ MORE

  • Weeds – Identification with Pictures

    Weed control in the landscape is a tough business. You have to know a lot about the weed in question just to get started! As in most situations, a picture is worth a thousand words. Go through the sites below,...

    READ MORE

  • Diagnosing Holes in the Yard

    Sometimes many heads are better than one when it comes to solving a problem. Wade Hutcheson, my Extension colleague in Spalding county, gets plenty of calls from the citizens of his area asking his help in identifying various holes in...

    READ MORE

  • Brown Patch – Diagnosing

    You have brown patches of dead grass in your lawn. Is it the common lawn disease ‘brown patch’ or is it something else? The answer is important: if it is brown patch you probably need to spray with a fungicide....

    READ MORE

  • Bermuda – Weed Control

    BASIC INFORMATION: Weed Identification Pictures General Turf and Weed Info Lawn Care Calendars THREE METHODS There are three primary methods of controlling weeds. Any one method, when used alone, will not usually control all of your weeds. To consistently control...

    READ MORE

  • Lawn – Timing Pre-emergent Herbicide

    One of the sourest phrases that can be directed at a child or adult is “I told you so!” Whether you touch a hot match, leave tools out in the rain or lift cinder blocks all afternoon, someone is usually...

    READ MORE

  • Crapemyrtle – Pruning

    One of the most confounding arguments I face is whether and how to prune crapemyrtles. They are mercilessly “murdered” by unaware landscapers and homeowners each winter… yet they still bloom in summer. Some people even believe a crapemyrtle won’t bloom...

    READ MORE

  • Lawn – Growing in Shade

    OK. I admit it. I have given up. I came to the conclusion that grass just would not grow in the corner of my lawn near the ornamental cherry trees. The shade there is so dense that my grass, no...

    READ MORE

  • Bermuda Grass – Disease – Brown Patch

    Brown patch is most prevalent on bermudagrass which has been heavily fertilized when night temperatures are above 68 degrees and day temperature are above 80 degrees. Dead patches of grass may start small but can grow and join together to...

    READ MORE

  • St. Augustine Grass Seed – Where to Buy

    Q: Please tell me where I can buy St. Augustine grass seeds. Our lawn has some now and we like it a lot, but we’re having trouble finding seeds. A: You can’t buy St. Augustinegrass seed. The plant is very...

    READ MORE

  • Lawn – Leveling

    A new home in my neighborhood had bermudagrass sod planted in March. By May, one area was a perfect checkerboard of straight lines, composed of weedy plants, surrounding the individual squares of sod. Evidently the sod installers were in such...

    READ MORE

  • RECENT ARTICLES
  • POPULAR ARTICLES

Careers in Horticulture

Want to know more about the science of producing nutritious food for the body? Love the art of creating beautiful landscapes to sooth the soul? Feel like the great outdoors is the only office for you? Horticulture has a career...

READ MORE

Where to Get Horticulture Training

Several Georgia institutions of higher learning offer courses in horticulture. For more information, visit: University of Georgia College of Agricultural and Environmental Science – Department of Horticulture Chattahoochee Technical College Gwinnett Tech Lanier Tech Southern Crescent Technical...

READ MORE

Cryptomeria “Flowers” – Identification

Q: Can you tell me what these gray tips on my cryptomeria mean? Are they symptoms of disease? A: The gray things are the “male” flowers, which once gave pollen to the round brown cones. The gray ones are from...

READ MORE

Bermudagrass Mite – Identification

Q: Doing my research, I think this is bermuda mite damage. Am I correct? A: You are exactly correct! Bermudagrass mites attack the ends of bermudagrass stems and cause the classic brooming you see. The good news is that good...

READ MORE

Japanese Knotweed (Polygonum) – Identification

Q: We have had this vine pop up all over the place on the side of our house. Any idea if it’s friend or foe? A: FOE! Your plant is Japanese knotweed, Polygonum compactum, and it will quickly spread to...

READ MORE

Moss Lawn – Pre-emergent Use

Q: After this year’s rains, we have lovely moss lawn. Can you recommend a pre-emergent we could use that would be unfriendly to potential weed growth but not harm the moss? A: Pre-emergents are chemicals that prevent seeds from germinating....

READ MORE

Seedless Raspberry – Finding

Q: I have searched the internet looking for a variety of raspberry plant that is seedless. Does such a variety exist? A: There are dozens of raspberry varieties on the market. Most are hybrids of the hundreds of members of...

READ MORE

Crabapple – Pruning Above Trunk Damage

Q: My crabapple tree has a big rotten hole in the trunk where a limb broke off. The tree is about 2″ DBH and about 15-20 feet tall. Should we go ahead and cut the tree just below the hole?...

READ MORE

Orchid – Leaves on Stem (Keiki)

Q: Is my orchid having a baby or what? A: You have a keiki! This is a Hawaiian word meaning “child” or “baby”. Yours isn’t quite old enough to remove from the mother orchid. Keep your plant in bright diffuse...

READ MORE

Fox – Control

Q: Over the past couple of years, foxes have multiplied and are now residing all over our neighborhood: under porches, under sheds, etc.. We find carcasses of their prey in our yard continually. What to do? A: Like coyotes, foxes...

READ MORE

Trumpet Vine – Madame Rosy

Q: We have an arbor that is eight feet tall and sixteen feet long. We want a perennial vine with bright flowers that will attract hummingbirds and that will bloom a long time. Would a Madame Rosy trumpet creeper be...

READ MORE

Blackberry vs Dewberry

Q: What is the difference between a blackberry and a dewberry? A: They are both members of the Rubus genus, along with hundreds of other species. Dewberry is a trailing vine, not a high arching shrub like blackberry. Gardeners have...

READ MORE

Poison Ivy Oil – How Long is it Potent?

Copied from http://mailman.cloudnet.com/pipermail/compost/2000-April/006688.html A couple of weeks ago, Sharon Barnes asked a question on this listserv about the fate of poison ivy during composting. I found the question intriquing so I decided to use it for the BioCycle Q&A column....

READ MORE

Cotton Seed Meal – Contaminated With Pesticides or GMO

Q: You recently wrote about using ground cotton seed as an organic fertilizer. But isn’t cotton one of the most heavily pesticide-ridden crops in the USA? A: It’s true that conventional cotton was once grown using high amounts of pesticides....

READ MORE

Agave – Growing in Atlanta

Q: This is my pitiful blue agave. Most of the exterior leaves are dead. This started after the summer monsoons. I cleaned off the roots (black bugs in there), removed wet soil, replaced with sand. Now, it’s in plant ICU....

READ MORE

Tomatoes – Verti-Gro System

Q: I saw this hydroponic tomato growing system somewhere in lower Alabama. Can you tell me more about it? A: It’s a Verti-Gro system. It uses stackable Styrofoam pots to hold plants and growing media. The system allows lots of...

READ MORE

Fairy Ring – In Centipede Lawn

Q: I have a perfectly circled ring of dead centipede grass around my oak tree. I have another oak tree about 50’ from this one that doesn’t have this problem. The ring seems to grow larger every year as the...

READ MORE

Mushrooms – Growing in Potting Soil

Q: I was surprised to see this mushroom growing in a rather unusual place. A: Mushrooms can grow anywhere there is organic matter to decompose: in this case your potting soil is great food for a fungus. The happy fungus...

READ MORE

Weeds – Identification with Pictures

Weed control in the landscape is a tough business. You have to know a lot about the weed in question just to get started! As in most situations, a picture is worth a thousand words. Go through the sites below,...

READ MORE

Diagnosing Holes in the Yard

Sometimes many heads are better than one when it comes to solving a problem. Wade Hutcheson, my Extension colleague in Spalding county, gets plenty of calls from the citizens of his area asking his help in identifying various holes in...

READ MORE

Brown Patch – Diagnosing

You have brown patches of dead grass in your lawn. Is it the common lawn disease ‘brown patch’ or is it something else? The answer is important: if it is brown patch you probably need to spray with a fungicide....

READ MORE

Bermuda – Weed Control

BASIC INFORMATION: Weed Identification Pictures General Turf and Weed Info Lawn Care Calendars THREE METHODS There are three primary methods of controlling weeds. Any one method, when used alone, will not usually control all of your weeds. To consistently control...

READ MORE

Lawn – Timing Pre-emergent Herbicide

One of the sourest phrases that can be directed at a child or adult is “I told you so!” Whether you touch a hot match, leave tools out in the rain or lift cinder blocks all afternoon, someone is usually...

READ MORE

Crapemyrtle – Pruning

One of the most confounding arguments I face is whether and how to prune crapemyrtles. They are mercilessly “murdered” by unaware landscapers and homeowners each winter… yet they still bloom in summer. Some people even believe a crapemyrtle won’t bloom...

READ MORE

Lawn – Growing in Shade

OK. I admit it. I have given up. I came to the conclusion that grass just would not grow in the corner of my lawn near the ornamental cherry trees. The shade there is so dense that my grass, no...

READ MORE

Bermuda Grass – Disease – Brown Patch

Brown patch is most prevalent on bermudagrass which has been heavily fertilized when night temperatures are above 68 degrees and day temperature are above 80 degrees. Dead patches of grass may start small but can grow and join together to...

READ MORE

St. Augustine Grass Seed – Where to Buy

Q: Please tell me where I can buy St. Augustine grass seeds. Our lawn has some now and we like it a lot, but we’re having trouble finding seeds. A: You can’t buy St. Augustinegrass seed. The plant is very...

READ MORE

Lawn – Leveling

A new home in my neighborhood had bermudagrass sod planted in March. By May, one area was a perfect checkerboard of straight lines, composed of weedy plants, surrounding the individual squares of sod. Evidently the sod installers were in such...

READ MORE