Best GrowCast Podcasts (2025)

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How to Achieve PRO Quality Concentration at Home, Ft Lowtemp Matt 23:27

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10d ago23:27

23:27

(00:00) Intro and Home Washing Mentality (01:37) Keeping Things TOO Cold (05:39) Water Quality and RO Filters (09:11) Ending STRONG During Freeze Dry (14:19) Revolutionizing Test Washing (19:20) Open Source Information, Final Thoughts Matt from Lowtemp Industries is back for the second part of his epic interview- in this installment Matt discusses …

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Happy Christmas Everyone! HOHG Christmas Special 2025, Festive Music, Movies, Food, a Michael Bublé Rant & a Christmas Quiz, Oh and a surprise gift for Macky! 1:25:06

2d ago1:25:06

1:25:06

This week’s Grow Guides is a little different. No deep dives, no technical breakdowns, just a laid-back Christmas special to round out the year. We’re chatting festive music and classic Christmas movies, debating the best (and worst) Christmas movies, and going on a much-needed rant about Michael Bublé and his annual takeover of the airwaves. You’v…

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Winter Growing Survival Guide, Smart Grower Gift Ideas, Early Harvest Mistakes & Christmas Grow Disasters to Avoid | Grow Guides Ep. 70 53:28

8d ago53:28

53:28

In this week’s Grow Guides we’re getting seasonal and practical, focusing on the challenges that come with growing through the colder months. We kick things off with a winter and Christmas survival guide, covering how low temperatures, dry air, and slower plant metabolism can quietly cause problems if you don’t adapt your setup. We also talk about …

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Trump to Reschedule Cannabis in January? | Huge Grow Found Under the Motorway in UK | Pensioners Going to Prison for Growing Cannabis | Cannabis News 190 1:17:02

10d ago1:17:02

1:17:02

In this week’s episode of High on Home Grown, we’re covering a mix of bizarre stories, serious research, and big political signals from around the world: Macky starts with a story that’s raised more than a few eyebrows, a middle-class couple caught running a highly organised grow, claiming it was all to fund their daughter’s university education. A…

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How to Soundproof Your Grow, Fix Strange Smells, Master the Gas Lantern Technique & Build a Low-Odor Setup on a Budget | Grow Guides Ep. 69 1:04:07

15d ago1:04:07

1:04:07

In this week’s Grow Guides we’re digging into four problems every home grower bumps into sooner or later. First up, we break down how to properly soundproof a grow room or tent so you’re not broadcasting fan noise to the whole house. Cheap fixes, smart materials, and the tricks that actually work. We also cover how to diagnose off smells in your te…

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4,000 New Studies, UK Dosing Guide Drop, Europe Expansion Blast & CBD Calm for Aggressive Dogs | Cannabis News 190 1:12:28

17d ago1:12:28

1:12:28

In this week’s episode of High on Home Grown, we’re breaking down another set of big headlines from around the world: Macky kicks things off with a massive research milestone — over 4,000 studies published this year alone, all while Trump continues to weigh his rescheduling decision. A reminder of just how fast the science is moving, even when poli…

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How Light Strength Shapes Plant Health, Easy Pheno-Hunting at Home, The Truth About Drying Speeds & Root-to-Shoot Balance Explained | Grow Guides Ep. 68 1:12:34

22d ago1:12:34

1:12:34

In this week’s Grow Guides we’re breaking down four fundamentals every home grower should understand, whether you’re on your first tent or your fiftieth. We start with light intensity, what it actually does inside the plant, how to avoid blasting your tips to death, and how to find the sweet spot for strong, stress-free growth. From there we move i…

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CBD Available on Medicare? | CHM Recognised by WHO | New BS Study Results | Austria to Change CDB Laws | More Cannabis Bought into UK via Flights from Thailand! | Cannabis News 189 1:12:18

26d ago1:12:18

1:12:18

In this week’s episode of High on Home Grown, we break down some of the most eyebrow-raising headlines from across the scene: Macky opens with a strange one from the skies. Two complete strangers from Birmingham arrested and jailed for the exact same offence on a Thailand flight. He also digs into a new WBUR study claiming there are “few medical be…

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🎅BF Dealz, SPLIFFSMAS 2025 IL, & Overgrow Updates 5:42

27d ago5:42

5:42

SPLIFFMAS ILLINOIS! Saturday, December 13th, 4pm - 9pm @ The Bubblehive in Loves Park IL. FREE ENTRY! Seed swap - smoke out - pot luck - toy drive. All are welcome. Top 3 BF Dealz: www.growcast.com/seeds BOGO LIMIT 4, automatically added, won't show in cart, put requests in notes! www.rootedleaf.com 42% off with code: GROWCASTBF www.acinfinity.com/…

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How to Fix Seeds That Won’t Sprout, Deal With Hermies, Stay Stealth Mid-Grow and Rehydrate Over-Dried Buds | Grow Guides Ep. 67 1:09:30

29d ago1:09:30

1:09:30

This week we’re tackling four of the most awkward moments in home growing. We start with stubborn seeds that refuse to sprout and run through the simple checks that tell you whether they’re slow, stressed or simply never going to crack. From there we get into hermies, why they happen, how to catch them early and what your realistic options are once…

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Members Interview, FreeNuggz, Mental Health, Addiction, and Alcoholism. 1:08:16

29d ago1:08:16

1:08:16

In this weeks interview we have members special. Sometimes we like to get members of the forum and listeners of the show on to the podcast to get to know them a little more. FreeNuggz reached out recently and wanted to come on to the show to talk about addiction, mental health, and alcoholism. Plus many other things. We have a great conversation an…

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New Bill to Reverse Hemp Ban, Already? | Is Cannabis Addictive? We Discuss CUD and Addiction | Canada and Tourism | UK Medial Cannabis Awareness Month | Cannabis News 188 1:14:08

1M ago1:14:08

1:14:08

In this weeks cannabis news we have 5 stories to cover! Macky has a piece from The Independent tackling the old “you can’t get addicted” claim that’s been floating around for decades. Time to put the myth in the grinder and talk about what the evidence really shows. Billy follows up with UK Medical Cannabis Awareness Month, where campaigners, clini…

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How to Make Salves, Choose the Best Grow Tent, Defoliate Plants, and Pest-Proof Your Grow Room | Grow Guides Episode 66 51:06

1M ago51:06

51:06

This week we dive into four solid grow topics you’ll actually use in your everyday grow. First up, we talk about how to make proper cannabis salves at home. Then we look at the best grow tents on the market right now and what makes one worth your money. We also get into defoliation, when to do it, how much to take, and how not to butcher your plant…

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Ishaq Hillman from The Canna Boss Babes Podcast | HOHG Interview 1:14:07

1M ago1:14:07

1:14:07

In this week’s interview we’re joined by Ishaq Hill-Man, one of the voices behind The Canna Boss Babes Podcast. We chat about how she got started, and how she took her mission from childhood trauma, to homelessness, to running her own company which is The Canna Boss Babes. From activism to business, from stigma to strategy, Ishaq brings a ton of in…

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Big Changes to USA Cannabis Laws! | UK Medical Cannabis Users Suffer Stigma, But the Industry is Flourishing! | Canada Wants Reform | Cannabis News 187 1:14:36

1M ago1:14:36

1:14:36

This week’s news episode is a busy one, covering big shifts in the UK, Canada, and the US, and some pretty heated developments around hemp policy. Macky brings us a heartfelt BBC story about a patient who uses medical cannabis daily but fears being judged as a “lazy stoner.” A familiar issue… and one the UK still desperately needs to move past. Bil…

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How to Boost Trichomes Naturally | Mastering Airflow | Resetting Your Grow Between Runs | Understanding Plant Stress | Grow Guides Ep. 65 58:46

1M ago58:46

58:46

In this week’s episode of Grow Guides, we’re digging into four key topics that can seriously level up your next harvest: How to Boost Trichome Production Naturally: We break down the techniques, environmental tweaks, and plant-training methods that help your buds pack on more frost without gimmicks or snake oil. Airflow and Circulation: The Secret …

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Catching up with Trevor and Kirk from the Reefer MEDness Podcast 1:39:32

1M ago1:39:32

1:39:32

Trevor and Kirk are the hosts of Reefer MEDness, a podcast all about medical cannabis. These guys were on our show way back in the early days. I’m talking maybe our 7th or 8th episode, so around five years ago! I was chatting with them on Instagram recently and thought it’d be great to get them back on the show to catch up and see how things have b…

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☠️NEW Killer Pathogens & Boosting Plant Defense, Featuring Brandon Rust 29:25

1M ago29:25

29:25

(00:00) Intro & Brandon's Deadly Pathogen (06:28) Pathogen Symptons & Research Study on Alternaria (11:01) Biocontrols & Minerals to Fight Pathogens (20:20) How Trichoderma Kills Pathogens (24:41) Recap and Teasers Brandon Rust returns to the program for an episode about PATHOGENS! Often misdiagnosed, this subject is extremely important and knowing…

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Medical Cannabis Gave Me My Life Back, says 72 Year Old Man | £5 Billion UK Industry Potential | Cannabis Drinks Improve Health | Psychedelics Legalization on the Horizon | Cannabis News #186 1:14:23

2M ago1:14:23

1:14:23

In this week’s episode of High on Home Grown, we dive into the biggest cannabis headlines from around the world: Macky shares the inspiring story of a 72-year-old man who says medical cannabis gave him his life back. A powerful reminder of how this plant can change lives. (Liverpool Echo) Billy covers a new report showing that the UK medical cannab…

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How to Maximise Light Efficiency | Prevent Powdery Mildew | Control Water Temps | Stress-Free Transplanting | With Chad Westport, Grow Guides Ep. 64 1:03:46

2M ago1:03:46

1:03:46

In this week’s episode of Grow Guides, we’re getting into some of the most important techniques for keeping your cannabis plants healthy, strong, and productive: How to Maximise Light Efficiency in Your Grow: Learn how to get the most out of your lighting setup, from placement and angles to reflective surfaces and intensity balance. How to Prevent …

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Raoul, Frontman of Cannabis Activist Metal Band "Landrace". 1:00:05

2M ago1:00:05

1:00:05

In this week’s interview, we chat with Raoul, the frontman of the cannabis activist metal band Landrace. We talk about what it’s like to make cannabis-inspired metal music, how the band came together, and the creative process behind their sound. From there, we take a few fun tangents into meditation, mental well-being, and how cannabis and psychede…

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UK Cannabis Supply Threats, Medical Cannabis Standards, and New Aroma Science | Featuring Chad Westport | Cannabis News Ep. 185 1:19:27

2M ago1:19:27

1:19:27

This week on High on Home Grown, we’re joined by our good friend Chad Westport for a packed episode of cannabis news from around the world! Here’s what we’re talking about: Macky covers how the UK cannabis supply could be disrupted after a major find in a former casino. Could this affect medical and underground markets? Spoiler alert... no! Billy r…

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The High on Home Grown Halloween Special 2025 | Ghost Stories, Haunted Soil, and Cannabis Chills! 1:31:01

2M ago1:31:01

1:31:01

It’s that time of year again! Grab your bong, turn off the lights, and get ready for something a little different… the High on Home Grown Halloween Special! In this episode, the crew dive into the spooky side of life (and growing) with terrifying tales and paranormal encounters from our listeners and community: 💀 Ghost Stories from the Grow Room: R…

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How to Avoid Nutrient Lockout | Keep Humidity Stable | Read Your Runoff | Plan for Maximum Yield | How to Grow Cannabis Episode 63 1:04:19

2M ago1:04:19

1:04:19

In this week’s episode of Grow Guides, we’re tackling some of the most common issues growers face and sharing expert tips to help you get the best from your cannabis plants: How to Avoid Nutrient Lockout Before It Starts: Learn what causes lockout, how to identify the early signs, and how to prevent it so your plants always get the nutrients they n…

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🍯Concentrate Tips: Reclaiming Terps, Reducing Loss & More, with Matt from LowTemp 27:24

2M ago27:24

27:24

(00:00) Intro and Matt's Background (04:28) Tips: Workspace, and. Going Big (07:25) Test Washing and Big Dumpers (12:18) Clear Tech and Oxygen (14:29) Gettiing Rosin into Carts (16:28) Blending for Higher Yield (19:56) Hashinene and Volatile Terps (21:39) Reclaiming Terps from Ice (24:54) Fats, Lipids, and Waxes Brand new guest Matt from Low Temp P…

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Trump Moves Toward Easing Cannabis Restrictions | DNA and Weed Use Linked in New Study | Cannabis Drinks Become the Next Big Thing | Medical Cannabis Advocates Make Their Voices Heard in Europe 1:11:08

2M ago1:11:08

1:11:08

In this week’s episode of High on Home Grown, we’ve got a packed lineup of cannabis news from around the world. Here’s what we’re covering: Macky: “Dialing down dope” Trump White House moves toward easing restrictions on marijuana. A big shift could be coming for cannabis in the U.S. as the Trump administration signals a softer stance on marijuana.…

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How to Spot Light Stress Early | Companion Planting for Cannabis | Reading Plant Signals | Mastering Runoff | + Listener Mail | Grow Guides Ep. 62 59:51

2M ago59:51

59:51

In this week’s episode of Grow Guides, we’re diving into some essential skills that can take your cannabis cultivation to the next level: How to Spot and Fix Light Stress Early: Learn the telltale signs of light stress and how to adjust your grow lights to keep your plants happy and healthy. Using Companion Plants to Boost Your Grow: Discover how c…

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Breeder Steve | Thailand’s Cannabis Drama + His Latest Strains & Breeding Work 1:37:29

2M ago1:37:29

1:37:29

In this episode, Macky sits down with the legendary Breeder Steve, founder of Spice of Life Seeds, for an unfiltered chat about what’s happening in Thailand, the strains he’s currently working with at home, and some of his new breeding projects. Thailand’s cannabis laws have been making global headlines. From early legalization to the current polit…

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Soil Quality Boosts Cannabinoids | Hempcrete Goes Mainstream | Public Backs Cannabis Legalisation | Cannabis Is Safer than Alcohol | UK Prisons Stink of Weed Allegedly | Cannabis News Ep. 183 1:11:21

3M ago1:11:21

1:11:21

In this week’s episode of High on Home Grown, we dive into the latest cannabis headlines from around the world: Macky breaks down a fascinating study showing how soil quality directly impacts cannabinoid and terpene levels in cannabis plants (leafie). He also covers a new report warning that regular cannabis use may pose risks for those over 65 (St…

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How to Brew Compost Teas, Grow in Harsh Climates, Harness Plant Hormones & Build a DIY Grow Setup | Grow Guides Ep. 61 1:08:20

3M ago1:08:20

1:08:20

In this week’s episode of Grow Guides, we’re diving into some powerful techniques and practical tips to help you level up your cannabis growing game: How to Make and Use Compost Teas for Cannabis — Learn how to brew living, microbe-rich teas that supercharge your soil and boost plant health. How to Grow Cannabis in Extreme Climates — Whether it’s t…

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Getting to Know Brandon Rust, Life, Cannabis, Aliens, and Spirituality! 1:03:51

3M ago1:03:51

1:03:51

We had a great session here with Brandon Rust! Brandon is an expert grower and founder of Bokashi Earthworks. This guy knows his stuff when it comes to growing cannabis. He has been on the show before, and many other podcasts, and we always talk about cannabis. Brandon put a post on his Instagram recently that told us about some of his childhood an…

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Cannabis Proven Effective for Lower Back Pain, EU Moves Toward Legalisation, UK "Cannabis Sanctuary" Opens & Trump Endorses CBD | Cannabis News Ep. 182 1:02:50

3M ago1:02:50

1:02:50

By Percys Grow Room

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Stopping Foxtails, Reusing Grow Medium, Fixing Late Bud Rot & Supporting Heavy Buds | Grow Guides Ep. 60 33:09

3M ago33:09

33:09

In this week’s Grow Guides, we tackle some of the most common problems growers face in the later stages of a cannabis grow: Foxtailing buds – what causes it, how to prevent it, and whether it’s always a bad thing. Reusing or recycling old grow medium – when it’s safe to reuse soil, coco, or hydro substrates, and how to refresh them properly. Dealin…

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"I Didn't Try Cannabis Until I Was 60 Years Old!", An Interview with Toploader, A High Council Member at Percys Grow Room 1:00:55

3M ago1:00:55

1:00:55

Today we’re doing something a little different, we sit down with long-time forum member Toploader! He’s been part of Percy’s Grow Room for nearly five years, and recently told us that he never used cannabis at all until he was 60 years old! Now, not only does he use cannabis, but he also grows plenty of his own. Join us to hear more about Toploader…

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🤢 Are Water Contaminants Ruining Your Grow? Forever Chemicals, Heavy Metals, and More- Ft. Nik 30:19

3M ago30:19

30:19

Natural Farming Immersive- JUST ONE WEEK AWAY! Visit www.growcast.com/events to grab your tickets to the best natural farming class out there. (00:00) Intro & Why Not All Water is Equal (05:48) Tap Water Database & (06:33) Heavy Metals & Forever Chemicals (13:28) Haloacetic Acids (17:28) Proper RO Filter Usage (21:23) Water: The Polar Molecule (26:…

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UK Man Jailed for Medicinal Cannabis Help | Arizer Solo II Recall | Canada’s $16B Cannabis Boost | Dutch Coffeeshops Push Limits | Workers’ Rights & Cannabis | Cannabis News Ep. 181 1:02:45

3M ago1:02:45

1:02:45

In this week’s episode of High on Home Grown, we dive into the latest cannabis news from around the world: Macky covers the shocking case of a UK man jailed for four years despite helping thousands access medicinal cannabis, plus an urgent recall of Arizer Solo II portable vaporizers due to fire and burn hazards. He also looks at Keir Starmer’s sta…

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Reading Trichomes for Harvest, Preventing Hermies, Training for Bigger Yields & Choosing Pot Sizes | Grow Guides Ep. 59 1:11:05

3M ago1:11:05

1:11:05

In this week’s Grow Guides, we dig into some essential skills every grower needs to master: Reading trichomes to know when to harvest – the best way to judge peak potency and flavour. Hermaphroditism in cannabis – what causes plants to turn hermie, how to prevent it, and what to do if it happens. Training techniques to increase yields – from toppin…

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Catching Up With Simpa Carter and His Fight for the Hemp Gardens! 59:30

3M ago59:30

59:30

Simpa was on the show a few months ago when he told us about a piece of land he had “liberated” near him. The land wasn’t being used for anything, so he took it over, became the custodian of it, and started maintaining it as a “Hemp Garden.” Since then, it’s become a great place for the community to hang out. But he has also had some trouble with h…

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UK Medical Cannabis Could Boost Economy by £13 Billion! | Pre-Rolls Overtake Flower as Users Favourite Purchase | Cannabis, Asthma & Diabetes Risks | Global Study Links | Cannabis News Ep 180 1:11:38

3M ago1:11:38

1:11:38

In this week’s episode of High on Home Grown, we bring you the latest cannabis headlines from the UK and around the world: Macky covers a major UK report suggesting that medical cannabis on the NHS could unlock £13.3 billion for the economy and help thousands return to work. Margaret looks at health-focused stories, including a study warning that i…

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Improving Cannabis Flavour & Aroma, Light Stress, Clones vs Seeds, and Controlling Smells + Listener Mail | Grow Guides Ep. 57" 1:00:12

3M ago1:00:12

1:00:12

In this week’s Grow Guides, we tackle some of the most common questions growers have when trying to take their cannabis to the next level: How to improve flavour and aroma – from genetics to curing, what really makes buds smell and taste amazing. Understanding light stress – what it is, how to spot it, and how to prevent damage from too much or too…

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Dr Amanda Reiman, Cannabis Use Disorder, and Using Cannabis Responsibly 1:06:44

3M ago1:06:44

1:06:44

In this interview we speak to Dr. Amanda Reiman. Dr. Reiman has been studying the use of cannabis for over 25 years, and in this episode we talk a lot about cannabis use disorder and how cannabis can sometimes be abused. We always encourage responsible use of cannabis, and if you feel like you have an unhealthy relationship with it, or think you mi…

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🦠 Employ Polysaccharides & Protozoa to Turbo Charge Your Soil! Ft. Luna Whitcomb 39:12

3M ago39:12

39:12

OKCalyxx Autumn Natural Farming Immersive, Oct 11 & 12 www.growcast.com/events (00:00) Luna's Journey Into Cultivation (03:46) The Core Philosophy of Luna's Grow (10:55) Jasmonic Acid & Bio Stimulation (15:22) Beets and Polysaccharides (21:45) Using Microscopy to Monitor Soil Food Web (24:54) Protozoa and Their Hidden Power (30:03) Getting Started …

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UK Cannabis Smugglers Jailed | German Legal Market Hits 90% | Barney’s Farm Merger Collapse | Snoop Dogg Invests in UK Clinic | Cannabis News Ep. 179 1:06:25

3M ago1:06:25

1:06:25

In this week’s episode of High on Home Grown, we cover the biggest cannabis stories from the UK, Europe, and beyond: Macky reports on smugglers who brought cannabis into Wales on an industrial scale and were handed heavy jail sentences. He also covers the case of a Ramsgate mum caught drug-driving, who says she uses cannabis to manage back pain. Ma…

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How to Store Cannabis, Use CO₂ Safely, Defoliation Tips & Fixing Nutrient Lockout, What are F1's and F2's etc, Best Cannabis Books | Grow Guides Ep. 57 59:16

3M ago59:16

59:16

In this week’s Grow Guides, we dive into four key topics that every home grower will run into at some point: The best way to store cannabis after harvest – how to preserve potency, flavour, and freshness with proper jars, humidity, and storage conditions. CO₂ in the grow room – when it’s worth it, how to use it safely, and whether home growers real…

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Award Winning Autoflower Breeders, Mitch and Tim from Mephisto Genetics! 57:48

4M ago57:48

57:48

Mitch and Tim return to High on Home Grown for a catch up! It has been a while since we have had them on the show so there is a lot to talk about. Including, some new additions to the Mephisto family, some new strains they will be releasing very soon, and some big awards they have won over the last few months! It is always a massive pleasure to hav…

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📈How to MAXIMIZE Every Single Run: Washing, Pollination, Free Inputs & More, with OKCalyxx 33:57

4M ago33:57

33:57

Start making your own seeds today, and don't let ANYONE tell you that you can't. OKCalyxx Autumn Natural Farming Immersive: www.growcast.com/events (00:00) How to Light Plants Cheaply & Getting 3 Full Runs (04:40) Outdoor Supplemental Lighting for Veg (07:51) Free Seeds and OKCalyxx EPIC Home Breeding Rant (15:07) Maximizing Your Harvest by Pollina…

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Self-Medication Leads to Cannabis Dealing | Thailand Elects Cannabis-Friendly PM | Prenatal Cannabis Study | Switzerland Legalisation Plans | Massachusetts Ballot Move | Cannabis News Ep. 178 1:11:36

4M ago1:11:36

1:11:36

In this week’s episode of High on Home Grown, we cover the latest cannabis news from around the world: Macky reports on a woman who turned to dealing cannabis after first using it to self-medicate. Margaret covers a major political shift as Thailand’s new prime minister, nicknamed the "cannabis king", wins decisively. We also dive into new research…

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Listener Mail Special: SIP Pots, Cannabis Myths, Under-Canopy Lighting, Cannatrol Drying & Decriminalisation vs Legalisation | Cannabis Grow Guides Episode 56 54:05

4M ago54:05

54:05

In this week’s episode of the Grow Guides, we hand the mic over to you, our listeners! We’ve gathered some of your best questions and dive into a lively discussion on a range of cannabis growing and cannabis culture topics. We chat about SIP (sub-irrigated planter) pots and whether they’re worth it for growers, take a closer look at some popular bi…

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💰Use THESE Natural Farming Tips & SAVE BIG on Growing! Ft. OKCalyxx 27:41

4M ago27:41

27:41

$50 OFF OKCALYXX NATURAL FARMING IMMERSIVE! THIS WEEK ONLY. OCT 11 & 12 -> www.growcast.com/events Stay tuned for part two... (00:00) OKCalyxx's Natural Farming Paradise (02:51) Why is Natural Farming so Attractive? (05:54) How to Get Started Growing for FREE (06:48) Free Media: Growing Straight Outta Compost (11:53) Sourcing Material, and Brewing …

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Cannabis Self-Medication Risks | Shops Disappearing Post-High | UK Paranoia Study | U.S. Lawmakers Push for Federal Legalization | Cannabis News Ep 177 1:24:03

4M ago1:24:03

1:24:03

This week on High on Home Grown we cover some big cannabis stories from around the world: Macky breaks down a new study showing that people self-medicating with cannabis face a higher risk of paranoia. Margaret looks at the decline of cannabis shops in one city as they disappear in the post-high market and the largest UK study into cannabis use exp…