Greetings, FABulous people! Let’s talk about PGR.

Has it ever occurred to you that the weed you’re smoking may actually be packed full of toxic chemicals?

Don’t believe me? It’s more common than you may think. Plant Growth Regulators (PGR’s) have flooded the black market in recent years. It’s gotten so severe that many Australians are losing touch with what an authentic cannabis experience actually looks and feels like. This is particularly true for the younger generations, who are only now beginning to use marijuana for the first time.

What are PGRs?

Are your buds rock hard? Perhaps they are covered in ugly, brown hairs? Maybe the buds themselves don’t have much of a smell to them? If this sounds familiar to you, it’s likely that you are smoking weed that has been treated with Plant Growth Regulators.

So, is PGR weed bad? The answer is a resounding YES. PGR’s are typically used to fatten buds up, so they weigh more. This (of course) benefits those who currently profit from the growing and sale of cannabis. However, PGR has some adverse health effects, and long term use can prove highly detrimental.

The most common PGR’s are Paclobutrazol (PBZ), Daminozide (a.k.a. Alar), and Chlormequat Chloride. In this article, we are going to focus on Paclobutrazol, the most common PGR used in Australia.

PBZ

PBZ is a plant growth retardant which works as a gibberellic acid antagonist. In effect, this means that it binds to certain enzymes that are crucial to the cannabis growing process. Paclobutrazol inhibits the terpene synthase enzyme, causing a bottleneck in the terpene synthesis pathway and the THC synthase pathway.

Paclobutrazol significantly reduces (but does not completely halt) a hemp plant’s capacity to produce THC, the primary psychoactive compound in cannabis which actually helps you get high. PBZ also reduces the plant’s ability to produce terpenes, the chemicals that produce the dank smell of cannabis. PGR weed is not only less appetising than usual, it’s also usually lacking the potency of other buds.

Ultimately, Paclobutrazol causes the plant cells to divide, rather than elongate. As a result, the cells are packed closer together, with the flowers accommodating less space between calyx’s/pistols. Buds treated with PBZ are often rock hard and covered in thick, entangled hairs. It is important to remember that density alone is not necessarily an assurance that the bud contains Plant Growth Regulators since some strains are naturally quite dense.

Combustion of Paclobutrazol (as when smoked) causes the compound to break down into nitrosamines, the most carcinogenic component in cigarettes. It’s found to make liver cells swell up, causing direct damage to your liver.[1][2]  Paclobutrazol will also make it harder for any young buck to impregnate women, as it wreaks havoc on human sperm count. For those of you who don’t want kids and don’t really mind poisoning your body, well…. [3]

A Pervasive Problem

The ubiquity of PGR weed is pretty terrifying. If you’re sitting there wondering whether the weed you have been smoking is PGR or not, the answer is most likely yes. Particularly if you’re smoking hydro in any major Australian city, there’s a solid chance that you have unknowingly been consuming PGR grown cannabis. Its use is mostly pushed by the Australian crime syndicates, which control a significant portion of the black market.

When trying to identify PGR, we typically look for rock hard buds covered in brown hairs, with a lack of any visible trichomes (the ‘pollen’ of cannabis). Often the weed feels “spongey” – this is because its density negatively affected the drying process. There is also often very little smell. If your weed ain’t DANK, it’s a sign that something is wrong!

Spot the PGR!


Here are a few pointers to help you identify PGR grown weed:

This image is a quite standard story when it comes to Australian PGR weed. There is a dark dullness to the buds, and the hairs are brown and dense. There are basically no visible trichomes. It honestly just looks incredibly ugly. Terrible smoke.

On the other hand, the image below has a few PGR-like characteristics. It has a lot of orange hairs, for instance.  However, there are trichomes are visible all over the weed when you look closely. Additionally, the buds are not all that dense. This is actually an example of some high quality weed.

The image below has an example of PGR put directly next to non-PGR cannabis. Quite easy to tell, don’t you think?

I want to apologise for this next picture, because it is just utterly revolting – hell, it makes me wanna vomit. The smell of ammonia instantly comes to mind when looking at it. Covered in ugly brown hairs, and dominated by thick stems, anything that looks like this is sure to be PGR. To top it all off, the white, yellow and black powder growing on the buds in this photo is actually mould.

After that pitiful excuse of a bud, let’s try to finish this article on a positive note. Here we have another specimen with a heavy concentration of brown hairs. The weed is quite dense, but those trichomes are quite obviously visible. A beautiful example of good weed right here.

Here’s the Rub

PGR’s are toxic, cancerous and highly dangerous for human consumption. The only reason Plant Growth Regulators are so prevalent is the complete lack of regulation over black markets from the Australian Government.

The number of frequent cannabis users increases year after year, making PGR buds a greater health risk to regular citizens. According to the 2016 National Drug Strategy Household Survey (NDSHS), 34.8% of all Australians have tried cannabis, with 10.4% having consumed the drug in the past year. Our prohibitive laws have struggled to keep up with the pace of the black market, which has proven it can turn a profit, irregardless of its legal standing.

If this issue is important to you, please be sure to write to your local members of parliament. Help inform them of the true public health dangers of cannabis prohibition. An unregulated black market full of PGR buds will continue to endanger the health and wellbeing of regular Australians.[4]

Furthermore, please say ‘NO’ to PGR weed. If somebody sells you some shitty looking cannabis, decline it. It’s better go without that poison in your body than subject yourself to a crappy, scattered and paranoid high, complete with a headache. Finally, help spread the word about PGR weed by sharing this article and/or telling your friends.

F.A.B is considering the possibility of a “Is this PGR?” segment in future, where users would be able to submit photos of their buds and receive a quick response, either from the F.A.B moderators or other members of the community, as to whether it’s PGR or not.

Let us know in the comments if you like the idea of such a feature.

Works Cited:

[1] Commonwealth of Massachusetts (MDAR): Paclobutrazol, January 2012 –
http://www.mass.gov/eea/docs/agr/pesticides/rightofway/docs/paclobutrazol-review-jan-2012.pdf

[2] California Environmental Protection Agency: PACLOBUTRAZOL, January 1993 –
http://www.cdpr.ca.gov/docs/risk/rcd/paclobut.pdf

[3] PubMed: Exposure to Paclobutrazol disrupts Spermatogenesis in male Sebastiscus marmoratus, October 2015 –
http://www.ncbi.nlm.nih.gov/pubmed/22789407

[4] AIHW: Illicit use of drugs, January 2018 –
https://www.aihw.gov.au/reports-statistics/behaviours-risk-factors/illicit-use-of-drugs/overview

Finally, a big thank you to the /r/ausents community for the photos of PGR weed and /u/heavydayzecollective for his write up on PGR.

About the author

Mitch

Mitch Keys is a young writer from Brisbane, Australia unfolding in a dynamic process of becoming (like everyone else, so don’t go thinking he’s special or anything). He likes being alive.

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RJ Thomson
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RJ Thomson

Thanks for the info….A big help….. Forewarned is forearmed

Aaron
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It’s always preferred to only work with the best growers in your area. People adding unnecessary things to your marijuana is something you want to avoid as much as you can.

Joe LaGrasso
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Joe LaGrasso

It’s hard in Australia, it’s a very closed off community because it is still so very illegal here.

Joshua
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Joshua

Hey Mitchio,
I often struggle getting good quality buds which has set me on a path of looking to cultivate my own good quality fluffy trichome frosted buds.

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[…] experience in Brisbane, where he has observed that some people are quite keen on handing off PGR buds (Plant Growth Regulators). Experiences between the two are often night and day, as is the quality of the high. It’s always […]

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[…] (First: Maybe it’s worth checking that your buds weren’t sprayed with Plant Growth Regulators… Don’t know what to look for? Check out our article on PGR weed here).[2] […]

Tinker
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Tinker

I’ve been saying for months there’s something not right with the buds we get….. I always referred to it as being chewy…. Doesn’t fluff when you cut it sometimes has smell but rarely… This arrival has confirmed my fears…. We can’t get onto anything else… Got my plants in but months before they will help… What’s a person to do… It sux

Joe LaGrasso
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Joe LaGrasso

I always called them “spongey”. And yeah it’s awful. Not much else you can do other than try and ask around unfortunately.

Sideshow
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Sideshow

great article, well researched and written well

Joe LaGrasso
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Joe LaGrasso

Appreciate the feedback!

martin
Guest

excellent

Craig
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Craig

The only way to prevent the big commercial growers from using PGRs that are very effective at boosting their yields and profits is to simply stop buying their treated product. If smokers continue buying it either because they can’t find anything else and buy it anyway knowing it’s garbage, or as in many cases smokers just don’t want to pay a little more for the smaller players product that has been grown with care and love not mass produced with PGRs then get used to PGR soaked weed and stop complaining about it. The smaller growers out there choosing not… Read more »

Joe LaGrasso
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Joe LaGrasso

You are 100% correct.

In Brisbane we’ve seen an increase in better supply in the past year or so. Why? Because people finally started saying NO to PGR.

Choof master
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Choof master

U should compare trichomes from our and PGR free bud under a microscope. Pgr trichs are pure white and withered.

Check it out.

Joe LaGrasso
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Joe LaGrasso

That’s a great idea! Do you have a microscope to do this? We’re lacking one here. Would love to put it up though

Jonah
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Jonah

Hey just abit of confusion, I have come across a lot of bud in the second last photo, covered in orange hairs but they still have a pretty strong smell to them. Does this mean they have pgr or just the type of strand?

Joe LaGrasso
Guest
Joe LaGrasso

Orange hairs is quite normal, it’s more when it’s just covered in more brown hairs than anything.
There are strains that produce more orange hairs than others. But if it’s brown and not very pretty, it’s probably pgr.
A strong smell probably means it’s good bud.

How dense is it? Is the bud spongey? Then it’s pgr.

Eli
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Eli

hey joe any info on this better supply in Brisbane??? Where bouts?? all I get is pgr. Got something that was just 100% covered in orange hairs the other day

Zara Wallace
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Zara Wallace

That’s some great info & the pictures sent in for identification is a really wonderful idea

Tommy
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Tommy

Asian Caktus!!!!! 🤯 That’s crazy that ppl even say Yes to buying it! That’s a problem in itself!
Second pic from the bottom is what I’m referring to that is a prime example, of what is everywhere!! East to West! unless ya know the right cunt. Its a fucking mess our weed scene here in Aus!! Legalise it and it will be game over for the PGR bud!!🤞🏼

#bundybuds420 insta!! feel free to use my personal pics of proper good bud for reference!! Don’t ask me for shit though they just for reference!!🤙🏼

Cobe Reid
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Cobe Reid

Yeah that would help I’m from Detroit, MI, USA and we smoke a lot here . If I could tell whether or not it’s PGR would be very helpful.

Joe Lagrasso
Guest

We don’t know how rampant it is the US, but it’s huge in Australia. I assume due to the legal status in a lot of states it shouldnt be as much of a problem!

Sean Pablo
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Sean Pablo

thank you for the help!

clayton
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clayton

My only hook up has been pushing this for ten years thought shit clones or poor strain never knew was this bad? Any way to decontaminate it gonna have to quit otherwise w.a only has these nugs fuck prohibition

Joe Lagrasso
Guest

No way to undo it sorry bud! Best thing is to find a new plug or grow your own.

clayton
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clayton

Working on new plug lol leg work n waiting but hope be worth it cheers ☺

Tom W
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Tom W

People are paying $20 a G for 0% THC weed. Literal shisha smoke, without legalization or decriminalization hard earned Australian dollars will continue to end up in the pockets of Vietnamese gangs with the pure intention of ripping off Australian cannabis consumers. The war on drugs is increasing the demand, actually favouring these gangs. Who use their PGR profits to build clandestine drug labs and fund more importation of hard drugs. This war (on cannabis) has failed miserably and is the current only reason these gangs thrive. (Because there is no available alternative) Our Nanny state truly believes we are… Read more »

Brad Griffin
Guest

Love your work, Mitch. I only just found your site/blog. I used to write prolifically (Itsmedicinejim on Blogspot) but had some upheavals in life that stopped me. I’ve been hearing people refer to mass-produced bud as PGR but had no idea what the term meant. Now I know. Thankyou.

Joe Lagrasso
Guest

If you feel like picking up a bit of writing, send us a message!

james
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james

Came here looking for this exact info, got some with absolutely no smell, hard as a rock, weird taste and cant see trichomes under my loupe, this stuff is everywhere here in Aus anand it sucks

JJ Millzie
Guest
JJ Millzie

Explains the nasty headaches and lack of effect I have been getting (or not). Haven’t had anything for 6 weeks now and I probably won’t be now after reading this. 🙁

Tricia
Guest
Tricia

I knew it. I haven’t had decent pot since I stopped going to Sydney from Brisbane, 5 years ago. I’m 58 and lived in Sydney up until my 40. I thought they over used fertiliser. Also I want to mention the mucus that builds up in lungs when smoking the shit, tastes very salty, which I thought was fertiliser. And puts fluid on lungs.

Morgan McLachlan
Guest
Morgan McLachlan

Nice artical my friend , I really enjoyed the read. Maybe the follow up can be about the sugar water that the Asian growers are using also to densen up the bud. An exposee on badly grown hydroponics!!! Im from the UK and live on the GC and have nrver been exposed to a level of such poor quality cannabis. I have seen several large scale hydroponic set ups over here now and have been shocked to see how they were being run. In my opinion its a complete waste of time these grows are a waste of money/effort and… Read more »