Overspray of Glyphosate At Land Park

Spray and Overspray of Glyphosate At Land Park

Land Park, Sacramento

The City of Sacramento has a page devoted to Spray Parks!

How about a page devoted to Spraying At Parks!

Danger! Peligro! Spraying At Parks!

What’s wrong with this picture?

It was morning, after 7:30 am, when I filmed the over-spraying on Land Park Drive (along the curbs and gutters) plus the decomposed granite pathways, the inside edge and lawn edges of the borders along the dg pathways, the exercise stations, and the circular bare dirt zones around the trees.

This is a very short film, 2 minutes, that includes the Land Park sections sprayed along 15th Ave, 13th, and 14th Ave, and Land Park Drive.

This Post is Dedicated to those who are out early for a quiet stroll, or meeting friends, walking with kids, pets – who might not notice wet vegetation along the path, or wet ground and vegetation around the tree where the dog is sniffing….

Land Park Springtime and Herbicides

2 minute video

04/22/2022 Above the little pond across from the Charles Swanston Memorial, in William Land Park

UPDATE Saturday 04/23/2022

Recognize Glyphosate Overspray

2 weeks after the spray 04/22/2022

During the spraying, I didn’t stick around long enough to get affected. But as the days passed and I thought about the event I had recorded that morning, I wondered if over-spraying of vegetation was common at other Parks.

Actually, my first question was one of astonishment- Why are they drenching and widening a circular dead zone at the base of trees, with a glyphosate herbicide?

I decided to visit a few other City Parks and County Parks to see if this method of application of herbicide is a Common practice. Anyone can make a similar comparison by visiting any Sacramento City or County Park. 

If by chance you notice green plants, and the surrounding areas of dirt, curbs, the decomposed granite pathways, even the gutter, all have a faint orange dusting of color on them (which remains easily visible 48 hours after a spray) then you know. In a few weeks, there will only be dead, brown vegetation.

*Two days after glyphosate over-spraying; the ground, or curb, the paths, gutter, will all be discolored as shown in additional photos on this blog page. 

Familiar places for generatoons.
Downhill to the little pond.
Looking back up from little pond across the road from the 1924 Charles Swanston Memorial Statue and Fountain
Whether glyphosate use is harmful or not to water bodies, remains a riddle, wrapped in an enigma. The relevant question here is; WHY HERE?

Residual half-life Residues, and sub-Lethal Chronic Environmental Exposure

“In aquatic systems, glyphosate is degraded by microorganisms and attenuated from the water column by sorption to bottom sediments, and in moving waters by dilution. In standing water, the time required for 50% dissipation of glyphosate residues in water depends upon the environmental conditions including temperature, water depth, presence of macrophytes and water: sediment ratios and generally range from a few days to approximately four weeks. Inboth standing and running waters, bottom sediments tend to be a primary sink for glyphosate residues… (Goldsborough and Brown 1993; Feng et al. 1990; Newton et al. 1984; Edge et al 2014) and although sediment residues may be somewhat more persistent, they are also believed to be biologically unavailable due to strong binding in bottom sediments.”


Reference: [https://forestinfo.ca/faqs/how-long-does-glyphosate-remain-in-the-soil-water-plants-and-sediments-after-treatment/]

Glyphosate is considered non-persistent in plants, soils, water and sediments. This can be attributed largely to a number of micro-organisms that break down glyphosate for food, removing it from the ecosystem.”

Micro-organisms Remove It From The Ecosystem
The focus here, is on Glyphosate (non-persistent, or believed to be biologically unavailable) and evades mention of the main glyphosate metabolite AMPA, the phytotoxic by-product of the glyphosate breakdown process, and of which there is major concern and research devoted to the impacts on soils, crops, and adjacent plants and trees by the commercial agriculture industry.

Environmental Persistence and Impacts of AMPA
A more in-depth summary on the subject of Environmental Persistence and Impacts of AMPA to non-target vegetation, soil ecology, earthworms, crop nutrition, and remedial actions, is in order:

Briefly; glyphosate degrades (in various soil types) by the action of bacteria over time, calculated based on length of days and half-life percentages. Glyphosate degrades into AMPA – the major transformation by-product in soil, sediments and water – aminomethylphosphonic acid (AMPA). 

Unlike glyphosate, AMPA has been classified as persistent in soils, with a typical half-life of 151 days, but varying from 76 to 240 days depending on field conditions.”

“AMPA acute toxicity has been described to be low for rats and moderate for fish and aquatic invertebrates.”

“However, acute assays are generally less sensitive than chronic assays, which provide more realistic results on long-term sublethal effects, based on growth and reproduction.”

“For instance, the acute assay did not reveal any negative effects of AMPA on biomass and in fact earthworms in AMPA treatments after 7 and 14 days had lower biomass losses than earthworms in the control. On the other hand, at 28 days in the chronic test, biomass losses were significantly higher in all AMPA treatments compared to the control.”

“The lower biomass found in cocoons and juveniles in soils contaminated with AMPA “might also be related to a higher sensitivity of juveniles than adults to AMPA, which would explain lower growth of juveniles, as has been previously observed. Moreover, the production of more cocoons but lighter -and therefore presumably weaker-individuals, would be associated to weaker juveniles. This suggests that earthworms growing in soils contaminated with AMPA could have a lower physiological ability to develop, grow and reproduce in these soils and to accomplish key ecosystem functions.”


There are numerous ongoing applications of Ranger Pro, the generic Roundup – with the same glyphosate, causing similar rough edged, circular, tidy, dry dirt dead zones around the base of hundreds of trees throughout William Land Park.

April 22, 2022
April 22, 2022
April 22, 2022

Maybe it can be stopped. 

Further down from the WPA Rock Garden on 15th Ave; there are no signs apparent of herbicide applications around the base of trees, and there are flowers in the grass, where golfers play through the rough. 

Curtis Park; by May 17, 2022 application of herbicide to create circular dead zones around the root zone of trees appears to have occurred around the beginning of May.

Curtis Park May 17, 2022
Expanding use of herbicides – tree by tree, mile after mile
William Curtis Park May 17, 2022

Same sad story.

Now… Looking To The Future

In Sacramento’s future looking 2040 Park Planning and Development Documents update, found here:


The first listed document is titled: 

Maintaining Park Design Guidelines, and on page 11 of 13, it states:

“Existing parks shall be redesigned to reduce or eliminate non-recreational turf areas outside of active sports fields or picnic areas in parks and replaced with either 4″ layer of mulch, non-irrigated native grass, irrigated no-mow tall fescue, decomposed granite paving areas or low-maintenance groundcover, all planted with native tree groves wherever possible and appropriate to limit mowing and irrigation.”

“Naturalized areas shall be designed to include passive recreation such as: picnicking, nature trails with interpretive signage, bikeways, rest areas, horseshoe courts or similar activities.”


Naturalized Areas…. Is that like when a product label states “Natural Flavors”.

Existing parks shall be redesigned to reduce or eliminate non-recreational turf…. eliminate with herbicide?

Apparently there are three categories of value added cultural uses, designated by recreation type: Recreation, passive Recreation, and non-Recreation.

So… it looks as though passive Recreation only applies to Naturalized areas, and includes everything but Sports.

And the Naturalized areas will likely require herbicides to keep down the greenery along the bike trails, and horseshoe courts, and picnic tables, and signage… to limit mowing….

As of April 6th, 2022 – want to know where I think signs should have been placed, and what they would have said?

Danger! Peligro! Spraying At Parks!

How about a City/County wide Regional Parks app with dedicated updated page for Spraying At Parks, as a Public Service Announcement

Tom DiFiore

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Tom DiFiore

I also bake, these are pecan banana breads

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