Greg Grant Gardens

Greg Grant Gardens in Forestry. My passions are ecological gardening and habitat restoration.

Award-winning professional horticulturist, author, photographer, and land steward with a Bachelor's Degree in Floriculture, a Master's Degree in Horticulture, and a Ph.D. This page is designed to educate and enlighten folks about Southern gardening, nature, and the environment. I am an author, horticulturist, naturalist, conservationist, lifelong gardener, and seventh generation East Texan with degrees in Floriculture, Horticulture, and Forestry.

Doodling Around (Greg Grant, 6-7-26)      Every now and then a small, ordinary critter carries you straight back to chil...
06/07/2026

Doodling Around (Greg Grant, 6-7-26)
Every now and then a small, ordinary critter carries you straight back to childhood. For me, nothing does it faster than a doodlebug. Long before I knew the name “ant lion” or understood anything about entomology and insect life cycles, I knew the joy of crouching in the sand, piddling with a pine needle, and watching that tiny funnel of soil spring to life. If you grew up in East Texas, chances are you spent at least a few summer afternoons doing the same thing.
Doodlebugs are the larval stage of a delicate, dragonfly-like insect called an ant lion. The adults are graceful and short lived, but the larvae are the ones we remember. They live in dry, powdery soil and dig those perfect little craters that look like miniature meteor impacts. To a child, they seem like magic. To an ant, they are a death trap.
The doodlebug sits buried at the bottom of its pit with only its jaws exposed. When an ant or small insect slips on the loose sand and tumbles downward, the doodlebug flicks grains of soil upward, causing a tiny landslide that pulls the prey right into its waiting jaws. It is one of the simplest and most effective traps in the insect world, and it has been operating quietly in East Texas for thousands of years.
As kids, we didn’t need to know any of that. All we needed was a shady spot under the barn, a patch of soft sand, and a pine needle to “doodle” around the pit of a crater. The doodlebug would respond by tossing up a few grains of sand, and that was enough to convince us we had made contact with a mysterious underground creature. It was a small thrill, the kind that sticks with you long after you grow up.
Gardeners still encounter doodlebugs, usually in the same dry, protected places where we found them as children. They prefer loose, sandy soil that stays sheltered from rain. You will find their pits under sheds, beneath the overhang of barns, below decks, and in the dry corners of flowerbeds that never see irrigation. They do no harm to plants. In fact, they help control ants and other small insects.
If you want to encourage doodlebugs in your landscape, all you really need is a patch of dry, undisturbed soil. They are not picky. They simply need a place where the sand or silt stays loose enough to collapse when they flick it. Avoid raking, mowing, or disturbing the area too often, and they will set up shop on their own.
In a world full of complicated problems, there is something comforting about a creature that has not changed its ways in millions of years. The doodlebug is still doing exactly what it did when we were children, and long before that. It is a reminder that nature’s small wonders are often right under our feet.
Greg Grant, Ph.D., is the Smith County horticulturist and Master Gardener coordinator for the Texas A&M AgriLife Extension Service in Tyler. He is the author of Texas Fruit and Vegetable Gardening, Texas Home Landscaping, Heirloom Gardening in the South, and The Rose Rustlers. You can read his “Greg’s Ramblings” blog at arborgate.com, find his “In Greg’s Garden” column in each issue of Texas Gardener magazine (texasgardener.com), or follow him on Facebook at “Greg Grant Gardens” or “Pines, Pawpaws, and Pocket Prairies.” More science-based lawn and gardening information from the Texas A&M AgriLife Extension Service can be found at aggieturf.tamu.edu and aggie-horticulture.tamu.edu, or by contacting the Smith County Master Gardener Help Desk at 903-590-2994 or [email protected].
Image caption: Doodlebugs are common in dry undisturbed areas.

Me talking about pass-a-long and heirloom plants.
06/06/2026

Me talking about pass-a-long and heirloom plants.

One of the hardiest heirloom plants to add to your landscape is the Crinum Lily. You almost can't kill it, and some varieties bloom all summer long.

Fruit Woes (Greg Grant, 5-31-26)      It’s been a tough year for fruit trees. Here’s an excerpt from my friend  Dr. Tim ...
05/31/2026

Fruit Woes (Greg Grant, 5-31-26)
It’s been a tough year for fruit trees. Here’s an excerpt from my friend Dr. Tim Hartmann’s Texas Fruit Newsletter. Tim is our Extension Fruit Specialist in the Department of Horticultural Sciences at Texas A&M University:
“As we approach the end of the spring season, it’s becoming more and more evident how yields are shaping up for different fruit crops. Unfortunately, it’s not looking good for many. While it’s safe to say that there’s no such thing as a “normal year”, weather-wise in Texas, 2026 has so far proven highly unusual. With the exception of an unseasonably cold stretch in the latter half of January, this past winter was notably warm. Of course, this raised concerns about winter chilling. On the flip side, the hard freezes on January 25-27 and frost (for many) on March 17th were also sure to bring challenges. Peach growers across the state noticed the tell-tell signs of insufficient chilling: delayed bud break; reduced bloom; sparse foliage development; poor fruit set; lots of small “nubbins” or “second crop” that fail to size; excessively pointy fruit. What’s interesting about this situation is that, based on the numbers (at least the “Old 45°F Model”), we should have fared better. However, closer examination revealed several complications.”
“Much of the chill hours that were logged during the late January cold snap occurred when temps were below freezing. Studies have also shown that a given amount of chilling over the winter is not as effective if it’s all received toward the end. Also, the unusually, often record, warm temps over much of the winter likely resulted in negation of much of the previously accumulated chill. Another factor that should not be overlooked is the fact that the warm fall and December resulted in the retention of foliage on many crops as late as January, which has been documented as inhibiting chilling accumulation. Lastly, while last summer was generally mild and wet, the onset of heat and drought in early fall and resulting stress didn’t put plants in a good position going into the winter. All this has resulted in many crops responding as if they were 200 or even 300 chill hours below average. These effects extended into crops that usually aren’t of as much concern like blackberries, particularly some of the newer varieties. As if this wasn’t bad enough, the frost on March 17th took out many of the early-blooming peach varieties whose low chilling requirements were actually satisfied. Simply put, we were hit from “both ends” this year. That same frost also proved devastating for most blueberry growers in East Texas who did not have frost protection in place.”
“As we move further into a season with a reduced berry crop and light/spotty stone fruit crop for many growers, we’re looking for a silver lining. For many, the freeze in January wasn’t hard enough to inflict severe damage on marginally hardy fruit like figs and pomegranates. The outlook for pear and apple varieties that received adequate chilling also appears positive. The strawberry crop has been moderate to good. Lower-chill crops like Asian persimmon and pecan that tend to be later-blooming also look good. The woes of this season also serve as a reminder to carefully consider chilling requirements for variety selection and to try to stay as close as possible to what’s expected for your area.”
To subscribe to his expanded quarterly Texas Fruit Newsletter email Dr. Hartmann at [email protected].
Greg Grant, Ph.D., is the Smith County horticulturist and Master Gardener coordinator for the Texas A&M AgriLife Extension Service in Tyler. He is the author of Texas Fruit and Vegetable Gardening, Texas Home Landscaping, Heirloom Gardening in the South, and The Rose Rustlers. You can read his “Greg’s Ramblings” blog at arborgate.com, find his “In Greg’s Garden” column in each issue of Texas Gardener magazine (texasgardener.com), or follow him on Facebook at “Greg Grant Gardens” or “Pines, Pawpaws, and Pocket Prairies.” More science-based lawn and gardening information from the Texas A&M AgriLife Extension Service can be found at aggieturf.tamu.edu and aggie-horticulture.tamu.edu, or by contacting the Smith County Master Gardener Help Desk at 903-590-2994 or [email protected].
Image caption: Tim Hartmann is our Extension Fruit Specialist at Texas A&M University.

https://www.youtube.com/watch?v=YkrejGxDBLs
05/30/2026

https://www.youtube.com/watch?v=YkrejGxDBLs

Some plant varieties may be difficult to find in local nurseries, but Greg Grant provides tips on how to harvest your own seeds, allowing you to cultivate mo...

https://www.youtube.com/watch?v=uqeOdcruZWA Me yapping about roses at our Heritage Rose Garden.
05/28/2026

https://www.youtube.com/watch?v=uqeOdcruZWA Me yapping about roses at our Heritage Rose Garden.

Unlock the secrets to successful rose gardening by learning how to identify and effectively tackle common problems that may arise.

Would You Like to be a Master Gardener? (Greg Grant, 5-24-26)       The award-winning Smith County Master Gardener volun...
05/24/2026

Would You Like to be a Master Gardener? (Greg Grant, 5-24-26)
The award-winning Smith County Master Gardener volunteer educator program (txmgsc.org) is seeking applicants to join a highly trained corps of enthusiastic volunteers to assist the Texas A&M AgriLife Extension Service in providing horticultural education to East Texans.
Do you enjoy gardening? Do you like sharing your interest in gardening with others? Do you like answering questions, public speaking, teaching, writing, conducting workshops, or talking on the phone? Would you like to learn more about the culture and maintenance of many kinds of both ornamental and edible plants? Would you like to participate in intensive horticultural training? Do you have time to attend a three-month training course from 9-4 each Thursday, starting January 7, 2027? Are you willing to complete 72 hours of prescribed volunteer work for the Texas A&M AgriLife Extension Service in Smith County within one year of training and continue volunteering each year?
If you answered yes to all these questions, the Texas Master Gardener program (txmg.org) is for you. The Texas A&M AgriLife Extension Service is accepting applications from Smith County residents who would like to receive horticultural training and use their knowledge and experience to teach others about the many aspects of Earth-Kind gardening.
The Smith County Master Gardener program is a volunteer endeavor through which trained volunteers provide science-based and research-based gardening information to the residents of Smith County. This is done through various programs and activities such as workshops, conferences, speaking engagements, school gardens, demonstration gardens, plant trials, written articles for publications and social media, along with answering individual requests for gardening information at the Smith County Master Gardener Help Desk.
Participants become certified Master Gardeners after completing both the 3-month training and a 12-month internship. The certification lasts for one year and is renewed through ongoing volunteer participation and required continuing education. According to Texas A&M AgriLife Extension Youth Protection Standards, all Master Gardeners are required to pass a mandatory initial background check, with updates every 3 years.
If interested, your first steps are to contact Amanda Southard at [email protected] to have your name placed on our interest list and then to apply online at evs.tamu.edu.
All applications must be submitted online by September 1, 2026. Not all applicants will be accepted into the program. Class size is limited, and preference will be given to qualified Smith County residents with gardening experience, dedication to educating others, enthusiasm, and time to volunteer.
The 2027 Smith County Master Gardener class will begin Thursday, January 7. Classes will be held every Thursday at the Cotton Belt Building (1517 W. Front St.) from 9:00 A.M. to 4:00 P.M. through March 25, 2027. The $203 fee includes the 450-plus page Texas Master Gardener Handbook, handouts, refreshments, instructors’ honoraria, and travel expenses for visiting specialists.
A mandatory orientation meeting for all potential Master Gardener trainees will be held at the Smith County AgriLife Extension office classroom (1517 W. Front St.) on June 16 from 10:00-12:00, July 15 from 2:00-4:00, or August 7 from 1:00-3:00 (choose one). If you have questions, call the Smith County Texas A&M AgriLife Extension office at (903) 590-2980.
Greg Grant, Ph.D., is the Smith County horticulturist and Master Gardener coordinator for the Texas A&M AgriLife Extension Service in Tyler. He is the author of Texas Fruit and Vegetable Gardening, Texas Home Landscaping, Heirloom Gardening in the South, and The Rose Rustlers. You can read his “Greg’s Ramblings” blog at arborgate.com, find his “In Greg’s Garden” column in each issue of Texas Gardener magazine (texasgardener.com), or follow him on Facebook at “Greg Grant Gardens” or “Pines, Pawpaws, and Pocket Prairies.” More science-based lawn and gardening information from the Texas A&M AgriLife Extension Service can be found at aggieturf.tamu.edu and aggie-horticulture.tamu.edu, or by contacting the Smith County Master Gardener Help Desk at 903-590-2994 or [email protected].
Image caption: Smith County Master Gardeners are volunteer educators trained and coordinated by the Texas A&M AgriLife Extension Service.

Periwinkle Blight (Greg Grant, 5-17-26)      Periwinkles have long been one of our most dependable summer bedding plants...
05/17/2026

Periwinkle Blight (Greg Grant, 5-17-26)
Periwinkles have long been one of our most dependable summer bedding plants, brightening East Texas landscapes with months of cheerful color. For generations, gardeners counted on them the way we counted on bachelor buttons and zinnias. Because they evolved in a hot, dry climate, they thrived in heat, tolerated drought, and bloomed without complaint from spring until frost. That reputation took a hard hit when a disease known as aerial phytophthora, or periwinkle blight, arrived on the scene. Since then, many gardeners have learned the hard way that many of today’s periwinkles are not the carefree plants they once were.
Aerial phytophthora is a water-mold disease that attacks the stems and foliage of Madagascar periwinkle, also called vinca. Unlike root rots that stay below ground, this one splashes upward. It often begins with a single wilted branch that looks thirsty even when the soil is moist. Soon the entire plant collapses, turning brown almost overnight. Gardeners often assume they underwatered or overwatered, but the real culprit is a microscopic organism that thrives in warm, wet conditions.
Plant pathologists often explain disease using the disease triangle. For any plant disease to occur, three things must be present: a susceptible host, a pathogen, and the right environmental conditions. Remove any one side of the triangle and the disease cannot take hold. Unfortunately, with periwinkle blight, all three sides tend to line up perfectly in our East Texas summers.
The host is certainly present. Many periwinkle varieties are beautiful but highly susceptible to aerial phytophthora. The pathogen is also present. Once introduced into a landscape, it can linger in soil, mulch, and plant debris. The final side of the triangle is the environment, and this is where gardeners have the most influence. Aerial phytophthora needs moisture on the leaves and stems to infect the plant. Every time water splashes from soil to foliage, the disease gains an opportunity to spread.
That is why irrigation practices play such a large role in whether periwinkles survive. Overhead sprinklers, especially those that run in the evening, create ideal conditions for infection. Water sits on the leaves overnight, giving the pathogen plenty of time to invade. Frequent light watering keeps the soil surface damp, which encourages spores to move upward. Even heavy rains can trigger outbreaks when plants are crowded or mulched too deeply.
Gardeners who still want to grow periwinkles can tilt the disease triangle in their favor by managing moisture. Drip irrigation or soaker hoses keep water off the foliage. Morning watering allows leaves to dry quickly. Proper spacing improves air flow and reduces humidity around the plants. Planting in raised beds helps water drain away rather than linger. To be honest, I water periwinkles when I plant them and almost never again. Removing and disposing of infected plants promptly (sanitation) keeps the pathogen from spreading to healthy ones.
There is some good news, however. The Cora Series was bred for improved resistance to aerial phytophthora. Even better, the newer Cora XDR line offers an additional level of resistance, making it the best option currently available for gardeners determined to keep periwinkles in their summer beds. The challenge is availability. If you spot them for sale, grab them.
Periwinkles remain beautiful plants, but they now require thoughtful care and careful watering. By understanding the disease triangle and how moisture encourages aerial phytophthora, gardeners can make informed choices and give their periwinkles the best chance to shine through our typically hot, dry summer.
Greg Grant, Ph.D., is the Smith County horticulturist and Master Gardener coordinator for the Texas A&M AgriLife Extension Service in Tyler. He is the author of Texas Fruit and Vegetable Gardening, Texas Home Landscaping, Heirloom Gardening in the South, and The Rose Rustlers. You can read his “Greg’s Ramblings” blog at arborgate.com, find his “In Greg’s Garden” column in each issue of Texas Gardener magazine (texasgardener.com), or follow him on Facebook at “Greg Grant Gardens” or “Pines, Pawpaws, and Pocket Prairies.” More science-based lawn and gardening information from the Texas A&M AgriLife Extension Service can be found at aggieturf.tamu.edu and aggie-horticulture.tamu.edu, or by contacting the Smith County Master Gardener Help Desk at 903-590-2994 or [email protected].
Image caption: Periwinkle blight is a deadly fungal disease encouraged by frequent watering.

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