Dirt Doctor

Landscape Consultant; Arborist; Radio talk show; Columnist Dallas Morning News; Author 15 books; Like my page at

[Dirt Doctor @HowardGarrett]

The June 6, 2026, Dirt Doctor Podcast with Howard Garrett answers questions sent in by podcast listeners and web site readers to the Dirt Doctor site's "Ask Howard" feature. Lots of questions that came in that way this week, including photos from a listener. He also discusses the Dirt Doctor "Guides" and the reason for several formulas for his Tree Trunk Goop to restore injured trees. Finally, there are tips on safety when working with products like hydrogen peroxide.
https://t.co/BKph7cIPWO
Show Notes:
SPCA dogs
Poison Hemlock
Hydrogen Peroxide
Sick Tree Treatment
Tree Trunk Goop formulas
Pecan Tree Program
Pest control via tomato foliage tea
Nightshade family
Scorpions
Gardening Tools (Hori Hori knife)
Calendar and Dirt Doctor Guides
Public speaking events
Garrett Juice
Almond Verbena
Turks Cap
EFI Newsletter
Book availability
Cheat Sheet

Advertisers:
Summit Chemical mosquito solutions.
Dramm Corporation Consumer Products
Crazy Water
Dr. Ohhira probiotics

[Dirt Doctor @HowardGarrett]

The May 30, 2026, Dirt Doctor Podcast with Howard Garrett answers a few questions sent in by listeners and readers to the Dirt Doctor web site's "Ask Howard" feature. The bulk of the podcast is a discussion of the books he has written to do with landscape design and organic gardening. He updated the current status of the "Cheat Sheet" list of tips he used when he was on the radio show and has continued to enlarge.
https://t.co/YnEIXu8lnG

Show Notes:
SPCA
Cheat Sheet
Essential Formula newsletter recommendation
Axis deer (chital) venison
Fermented foods
Ginkgo tree planting in summer
History of Howard Garrett books

Advertisers:

Summit Chemical mosquito solutions.
Dramm Corporation Consumer Products
Crazy Water is the only mineral water bottled in Texas. Rich with Mother Nature-infused minerals, which are more readily absorbed by your body.
Dr. Ohhira probiotics have been part of the Garrett family health regimen for years.
#Organicgardening #landscapearchitecture, #landscapedesign #HowardGarrettbooks #FermentedFoods #DirtDoctorCheatSheet #AxisDeervenison #Ginkgoplanting #Garrettbooksretrospective

[Dirt Doctor @HowardGarrett]

Frogfruit in the turf 🌱 For more head over to https://t.co/cTE6sqc4zx or check out our YouTube channel @dirtdoctortv for more content #dallasgarden #organicgardening #organicgardener #homegarden #texasgarden

[Dirt Doctor @HowardGarrett]

Almond verbena is native to Argentina. It has an upright habit with slightly weeping, sometimes ungainly branches. In areas with mild winters the mature plants reach 15 feet in height and 6 feet in width.
At the branch tips are highly fragrant, delicate white flower spikes which sway gracefully at the slightest breeze, sending their aroma wafting over great distances. The buddleia-like flowers are produced in cycles from early spring through summer to fall. The wonderful flowers are a magnet to butterflies, bees, wasps and other nectar feeding pollinators.

https://t.co/setLx5Bk9B

[Dirt Doctor @HowardGarrett]

Straight from the garden, Eastern Red Cedar Tea 🫐🌿 if you tuned into the podcast you know all about the benefits of this herb tea, if you missed It take a listen on YouTube @dirtdoctortv or check out our website https://t.co/TVJZTnOtxM #organicgardening #organicgardener #dallastexas #dallasgarden #texasgardener

[Dirt Doctor @HowardGarrett]

The May 23, 2026, Dirt Doctor Podcast with Howard Garrett continues with answering questions sent in by listeners and readers to the Dirt Doctor web site's "Ask Howard" feature.

Guest on Interview from EarthX: Michelle - Rebel with a Rake (https://t.co/w04oWUSK84)
https://t.co/hs2OLSYL4Y
Advertisers:
Douglass King Seed
Summit Chemical mosquito solutions
Dramm Corporation Consumer Products
Crazy Water
Dr. Ohhira probiotics

[Dirt Doctor @HowardGarrett]

Not a threat. Not an issue. From the Dallas Morning News Jan. 16, 2026:

Most grocery stores use some sort of misting system on their fruits and vegetables. The dewy sheen makes the produce look fresher and more appealing. No one wants to buy wilted lettuce or sad-looking tomatoes. The produce shower is usually plain water or water mixed with a small amount of antimicrobial pesticides.

One of these antimicrobial pesticides is Environmental Protection Agency-registered Produce Maxx. The agent contains hypochlorous acid and has a slight chlorine-like smell. It helps kill E.coli, Salmonella and Listeria bacteria. It's designed to make your food safer, not soak it in chemicals. Produce Maxx is registered as a pesticide because it kills pests, in this case germs not insects. It doesn't contain herbicides or antibiotics.

[Dirt Doctor @HowardGarrett]

The subject of planarians, known as hammerhead flatworms, came up in questions that were answered during the May 16 Dirt Doctor podcast. Don't just smash them, dispose of them properly or one will turn into many. Here's more information if you want to get a look at them and know what to do about them.

https://t.co/QncRLvVXEQ

[Dirt Doctor @HowardGarrett]

The May 16, 2026, Dirt Doctor Podcast with Howard Garrett continues with answering questions sent in by listeners and readers to the Dirt Doctor web site's "Ask Howard" feature. This week covers his continuing sale of art from the former office and gallery space and a discussion of the evolution of the "cheat sheet" of helpful answers that was an appendix of a new (yet unpublished) book. He also discussed ants, fleas, flatworms, setting fruit on squash, and the use of sulfur. Find these subjects and more in this week's podcast.

Guest on Interview from EarthX: Lucas Evans

Advertisers:
Summit Chemical mosquito solutions.
Dramm Corporation Consumer Products
Crazy Water is the only mineral water bottled in Texas. Rich with Mother Nature-infused minerals, which are more readily absorbed by your body.
Dr. Ohhira probiotics have been part of the Garrett family health regimen for years.

Q&A
Lemon balm and hibiscus flowers in tea
More art for sale after estate sale
Cheat sheet
Planarian flat worms
Ants in trees
Sick tree treatment
fleas
setting fruits on squash plants
sulfur

https://t.co/YOyb7bvZkW

[Dirt Doctor @HowardGarrett]

A wide-ranging set of questions came in last week for the Question and Answer portion of the May 9, 2026, Dirt Doctor Podcast with Howard Garrett. He spoke his "cheat sheet" of helpful answers, about the benefits of using mosquito dunks and bits, and of various types of pest control. There are paint color recommendations for hiding features in the landscape (fences, utility boxes, even garden furniture) and the usual gardening questions about bed preparation and plant lists. Find these subjects and more in this week's podcast.
Guest on Interview from EarthX: Bruce Melton

https://t.co/cvfpUWs0fr

[Dirt Doctor @HowardGarrett]

First day of the estate sale went great 📚🖼️🪞🪑 be sure to stop by, take a look around, grab some Mexican buckeye seeds. We can’t wait to see you this weekend Saturday and Sunday from 9 AM to 3 PM. #Dallastexas #dallasestatesale #texasestatesales #estatesale #organicgardening

[Dirt Doctor @HowardGarrett]

Come check out some cool stuff we’ve got for sale this weekend, May 8-10th from 9am-3pm #dallastexas #dallasestatesale #movingsale

[Dirt Doctor @HowardGarrett]

My landscaping library will be up for sale, inquire for details! 📚📖📗 direct message us, email us, or head over to our website https://t.co/cTE6sqc4zx and use the “ask Howard” feature #dallaslandscape #library #dallasestatesale #organicgardening #arborist

[Dirt Doctor @HowardGarrett]

The two main parts of the May 2, 2026, podcast are a tour of Howard's Garden and one of several interviews Howard Garrett conducted in April at the EarthX conference. This week's interview is a discussion with https://t.co/f26mOH7vgJ representative Kevin Hauschel, their VP of Sales and Business Development in North America. The Canadian company offers "transformative water technology that restructures irrigation water so that it has the characteristics of rainwater through an advanced oxidation process."

https://t.co/K2mfsgmx5R

[Mr. Potato Head ⚡️ @MrPotatoHeadUSA]

Shiitake mushrooms grown the classic way: on hardwood logs.

Fun fact: a single log can produce mushrooms for years.

[Dirt Doctor @HowardGarrett]

Mexican Buckeye 🌰🌿 give this one a try, lots of information on the Mexican Buckeye on our website https://t.co/TVJZTnOtxM or for more content, check out our podcast on our YouTube channel @dirtdoctortv Until then, enjoy those healthy gardens. #organicgardening #dallasplants #homegarden #texasgardening #mexicanbuckeye