Best GrowCast Podcasts (2025)

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

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8d 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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Catching Up With Simpa Carter and His Fight for the Hemp Gardens! 59:30

26m 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

2d 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

5d 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

7d 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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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

9d 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

11d 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

14d 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

16d 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

16d 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

19d 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

22d 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

23d 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…

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How to Grow Cannabis: Best Pots for Bigger Yields, Seed Types Explained, Airflow in Your Tent, and Should You Flush? | Grow Guides Ep. 55 1:11:14

26d ago1:11:14

1:11:14

In this week’s episode of Grow Guides, we tackle some of the most common questions home growers ask: How do you choose the best pots or containers for growing cannabis? We break down the pros and cons of fabric pots, plastic pots, and air-pruning containers. What’s the difference between regular, feminized, and autoflower seeds? Learn how each type…

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🍄 Fungal IMO, Natural Clay & Other Soil Web Secrets, with Yellow Skunk Farms 26:51

30d ago26:51

26:51

Interested in Natural Farming? Our BEST class of the year! OKCalyxx Natural Farming Immersive, Oct 11 & 12. Grab your tickets today! www.growcast.com/events (00:00) Josh's Unique & Inspiring Garden (03:30) Enhancing Your Soil Food Web (08:27) Life Lesson from Natural Farming (14:20) Water Regulation in a Natural System (16:48) Water Wicking and Ret…

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£9m Cannabis Smuggling Case | Weed Drinks vs Alcohol | Gun Rights for Medical Marijuana Patients | Minnesota’s Tax Concerns | Cannabis News Episode 176 1:17:37

30d ago1:17:37

1:17:37

In this week’s episode of High on Home Grown, we dive into some of the biggest cannabis stories from around the world: Macky covers the case of two men in Manchester who were jailed after smuggling £9m worth of cannabis into Northern Ireland, plus the heartbreaking story of a charity worker killed by her cannabis-addicted boyfriend, with her mother…

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How to Grow Cannabis: Q&A on Watering Cannabis Plants, Nutrient Deficiencies, Defoliation Practises & Pre-Harvest Prep | Grow Guides Ep. 54 1:09:31

1M ago1:09:31

1:09:31

In this week’s Grow Guides, the panel tackles some of the most common questions every cannabis grower faces. From watering techniques to harvest prep, we break it all down in a way that’s easy to follow whether you’re on your first grow or your fiftieth. This episode covers: Best way to water cannabis plants – How often, how much, and the technique…

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Dr. Dana Lillestol, PhD, Holistic Doctor and Senior Cannabis Education Advisor 1:03:14

1M ago1:03:14

1:03:14

In this weeks interview we speak to Dr Dana Lillestol. Dana is a holistic doctor and senior cannabis education advisor. Her work focuses on bringing elderly people into the world of cannabis medicines. She runs events that invites elderly people to learn more about cannabis as a medicine and tries to reduce the stigma that has been caused by decade…

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🐢Harnessing the Power of Biodiversity in the Garden, with Yellow Skunk Farms 30:07

1M ago30:07

30:07

Interested in Natural Farming? Our BEST class of the year! OKCalyxx Natural Farming Immersive, Oct 11 & 12. Grab your tickets today! www.growcast.com/events (00:00) Josh's Farm and Background (03:18) Balancing Sand, Silt and Clay (06:15) Josh's Indoor Ecosystem (12:55) Soil Composition Gradient (16:48) Water Wicking and Retention (20:15) Ferment St…

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NHS Doctors Back Medical Cannabis | Guernsey Decriminalisation | Conservatives Push Against Legalisation | Teens & CUD Rehab | Cannabis Cuts Opioid Use | Trump’s Marijuana Policy | Cannabis News 175 1:18:58

1M ago1:18:58

1:18:58

In this week’s cannabis news episode of High on Home Grown: Macky covers a new UK poll showing that 80% of NHS doctors would prescribe medical cannabis, plus news that half of Guernsey’s deputies back cannabis decriminalisation. Margaret looks at the growing conservative push against legal cannabis and a new study finding that U.S. teens often fail…

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How to Grow Cannabis: How to Choose the Best Seeds | When to Flip to Flower | Transplanting Cannabis with Zero Stress! | Long Term Seed Storage| Grow Guides Ep. 53 52:02

1M ago52:02

52:02

In this week’s Grow Guides we answer four great listener questions to help you become a better cannabis grower: How to choose what seeds to grow next – Tips for picking the perfect strain based on space, climate, flavour, effects, and growing style. How to know when to flip to flower – Key signs your plants are ready for the big switch, and how to …

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Regaining Eyesight Using RSO!! An Interview with Al Morentin, Cannabis Consultant & Holistic Health Coach 1:05:54

1M ago1:05:54

1:05:54

In this episode, we sit down with Al Morentin, a CBD Consultant and Cannabis Life Coach. After losing his sight to glaucoma, Al turned to cannabis not only as a form of relief but as a path to regaining his vision. He used RSO and eventually was able to see again! We hear all about his story and how he used cannabis medicine to recover his vison. W…

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🌱PERFECT Clones Every Time Part 2, with Mike from GrowersHouse 43:35

1M ago43:35

43:35

Our BEST class of the year! OKCalyxx Natural Farming Immersive, Oct 11 & 12. Grab your tickets today! (00:00) Scissors vs Scalpels (05:03) Optimal Clone Defoliation (07:41) Cloning Gel and Alternatives (11:49) IBA and Optimal Moisture (18:32) Dome Vents and Airflow (29:15) Clone Tips, Tricks, and Pitfalls (33:04) How to Care for LOTS of Clones We p…

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Brits Jailed in Zimbabwe | Cannabis & Psilocybin Risks | Oral Cancer Link | UK Prescribing Concerns | Trump Eyes Rescheduling 1:03:56

1M ago1:03:56

1:03:56

In this week’s episode of High on Home Grown, we cover the biggest cannabis news from around the world: Macky reports on two Brits jailed in Zimbabwe after being caught smuggling cannabis. He also looks at new research suggesting that using cannabis and psilocybin together could increase the risk of dependence. Margaret shares a concerning study sh…

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🌱 PERFECT Clones Every Time, Part 1, with Mike from GrowersHouse 47:57

2M ago47:57

47:57

Grab your tickets for the OKCalyxx Natural Farming Immersive TODAY! The number one class of the year. Choose one of two classes, October 11th or 12th. Brand new guest and professional horticulturalist Mike from www.growershouse.com joins us for an episode all about taking PERFECT clones, every time. In this part one of two, Mike introduces us the c…

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How to Grow Cannabis: Sexing Plants, Light Schedules, and Yellow Leaves | Grow Guides Ep. 52 43:35

2M ago43:35

43:35

We break down how to tell male from female cannabis plants, the best light schedules for autos and photos, and how to fix yellowing leaves during veg or flower. Of course we have the listener mail section too, where we answer your questions! Packed with useful tips and clear advice, this episode is perfect for beginner growers and anyone fine-tunin…

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Robert Sterling, Worm Farmer, Worm Breeder, and Founder of Missouri Worm Supply 1:21:46

2M ago1:21:46

1:21:46

In this week’s interview on High on Home Grown, we speak with Robert Sterling, owner of Missouri Worm Supply and a passionate worm farmer with years of experience in vermiculture. Robert shares his journey from curious gardener to full-time worm farmer, and explains why worm farming is a game-changer for cannabis growers, and grower of other plants…

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Power Company Reports Growers to Police | Cannabis May Affect Cancer Treatment | Germany’s Social Clubs Stalled | UK Online Safety Act & Cannabis Education | Cannabis News 173 1:02:29

2M ago1:02:29

1:02:29

In this week's episode of High on Home Grown, we dive into the latest cannabis news from around the world: Macky covers a controversial story out of the U.S., where a power utility company has been reporting suspected cannabis growers to the police based on electricity usage, raising serious questions about privacy and legality. (Ars Technica, via …

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How to Grow Cannabis: Grower FAQs Volume 2 | Seedlings Stretch | How Often Should I Water | Leaf Tips Burning | Fungus Gnats | Grow Guides Ep. 51 55:27

2M ago55:27

55:27

More of your top grow questions answered! We tackle topics like pest ID, pH correction, nutrient choices, and more based on real questions from the grow community. We of course also cover this weeks listener mail where we answer some of the questions you guys have sent in to us! A information packed episode! I hope you enjoy the new format! If you …

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Brad Zerman, CEO of Seven Point Dispensary! 1:05:31

2M ago1:05:31

1:05:31

Check out this awesome dispensary own by Brad Zerman! Brad shows us around the establishment, and shows off some of the awesome tech he has there, and some amazing music memorabilia too! We chat about the dispensary, how the laws regarding cannabis works in Illinois, music, cannabis and much more! If you want to see the YouTube video of this interv…

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🪱Saponins & Worms: The Magical Combo for Better Plant Health, Ft Riverview Ricky 51:03

2M ago51:03

51:03

Ricky from Riverview Living Soil has returned to the program for a stellar episode about optimizing your grow through improved nutrient uptake! Ricky gives us an update on his new product line and his foray into worm farming, which leads to a conversation on the benefits of quality castings. Castings aside, live worms themselves do incredible thing…

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Cannabis Gang Used Drones to Steal Grows | Tropical Plant Found with CBD | RFK Jr. Backs Psychedelics | Germany Make it Harder to Get Medical Cannabis | Cannabis News Ep. 172 1:20:05

2M ago1:20:05

1:20:05

In this week's episode of High on Home Grown, we dive into the latest cannabis news from around the world: Macky covers a wild case where a criminal gang used drones to locate and rob cannabis grows in the UK. (BBC News) Margaret shares a fascinating scientific discovery, a tropical plant unrelated to cannabis that naturally produces CBD. We also e…

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How to Grow Cannabis: Full Grow Recap & Key Lessons | Grow Guides Ep. 50 1:01:59

2M ago1:01:59

1:01:59

To celebrate 50 episodes, we recap the full grow process, from seed to harvest, and highlight the key lessons every grower should know. Perfect for beginners or a refresher course. If you have any questions you'd like us to answer in next week's episode, reach out to us through your favourite social network, join our Discord server, or visit Percy'…

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Dominic Milton Trott, Part 2! His Most Memorable Drug Experiences! 1:48:42

2M ago1:48:42

1:48:42

A few weeks ago, we had an incredible conversation with Dominic about his unique mission to document as many psychoactive substances as possible. Over time, he tried 182 different substances and compiled all his research into the powerful and informative book, The Drug User’s Bible, a harm reduction resource to help people make informed decisions. …

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Glass House Farms Busted! 200 People Arrested Including 10 Minors! | Strong Weed, Rising Crime? | Does Cannabis Help with Insomnia? | Places Cannabis is Legal in Europe | Cannabis News Episode 171 1:20:31

2M ago1:20:31

1:20:31

In this week’s cannabis news episode: Macky covers troubling reports from California where minors were found among suspected illegal immigrants during a raid on a cannabis farm. He also looks into the impact of super-strength cannabis on UK streets, and how it's reportedly linked to a growing wave of violent crime. Margaret explores how alcohol sal…

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How to Grow Cannabis: Fixing Root Zone Problems | Grow Guides Ep. 49 50:34

2M ago50:34

50:34

Root issues can sneak up on you fast. We cover signs of root rot, anaerobic conditions, pH swings, and overwatering, and how to fix them in soil, coco, and hydro grows. If you have any questions you'd like us to answer in next week's episode, reach out to us through your favourite social network, join our Discord server, or visit Percy's Grow Room …

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A Catch Up Session with Jordan River, Host of Growcast! 1:34:11

3M ago1:34:11

1:34:11

This week’s interview features the return of Jordan River, host of the legendary podcast Growcast! Jordan has been on the show many times before, and we consider him a good friend of High on Home Grown. In this episode, we catch up on what he’s been working on recently, from exciting new projects with Growcast to some of the standout strains featur…

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🦏Anxiety Easing Cultivars: Rhizo Rich Opens Up About Mental Health 1:19:11

3M ago1:19:11

1:19:11

🚨 GrowCast Seed Co BOGO IS LIVE! Visit www.growcast.com/seeds THIS WEEK ONLY and buy one get one free, limit 4! 🚨Rooted Leaf 7/10 SALE! Use code GROWCAST 710 FOR 42% OFF WWW.ROOTEDLEAF.COM THIS WEEK ONLY! Head breeder for GrowCast Seed Co Rhizo Rich is back on the program for an episode all about his new Key Lime Madness pollination work- and the a…

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Kings of CBD Plan Psychedelic Meds | Only 1 in 4 Found With Cannabis are Charged in UK | 1M Plants Ready to Harvest | LEEF to Harvest 1 Million Cannabis Plants! Cannabis News Episode 170 1:10:39

3M ago1:10:39

1:10:39

Macky explores how the self-proclaimed "Kings of CBD" are expanding into billion-dollar pharmaceutical markets using both cannabis and psychedelic compounds, while also highlighting how one small island is using medical cannabis as a key part of its economic development strategy. Margaret reports on new data showing that only 1 in 4 people found wi…

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How to Grow Cannabis: Keeping Your Grow Room Cool | Grow Guides Ep. 48 48:48

3M ago48:48

48:48

Hot tents can wreck your grow. We show you how to control heat and VPD with fans, AC, insulation, light timing, and airflow tricks to keep your grow running smoothly in summer. If you have any questions you'd like us to answer in next week's episode, reach out to us through your favourite social network, join our Discord server, or visit Percy's Gr…

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Simpa Carter, UK Cannabis Activist and Podcaster 1:39:07

3M ago1:39:07

1:39:07

In this weeks interview we chat with Simpa Carter! Simpa is a long time friend of the show, and it has been ages since we caught up! So he comes back to HOHG to let us know what he has been up to since we last spoke! We discuss a public garden he has been creating, some of the activism he has been working on, and what plans he has for the future. W…

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Thailand to Recriminalise Cannabis!! | Cancard Reported to Police | Mike Tyson Urges Trump to do Better for Cannabis | New South Wales to Decriminalise Cannabis? | Cannabis News Episode 159 1:09:48

3M ago1:09:48

1:09:48

In this week's episode of High on Home Grown, Macky, Billy, and John break down the biggest cannabis headlines from around the world: Macky covers the major policy shift in Thailand, where the government plans to recriminalise cannabis, shaking up its billion-dollar industry. He also discusses the shocking story of a 6-year-old detained in Mauritiu…

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How to Grow Cannabis: Breeding Plants at Home | Grow Guides Ep. 47 55:59

3M ago55:59

55:59

Want to create your own cannabis genetics? We cover basic breeding, how to select traits, work with males and females, and preserve your favourite phenos through seed making. Whether you're trying to preserve a rare phenotype or create something completely new, this episode will help you get started on the right foot. Join us as we break it all dow…

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Chillin with Chad Westport! 1:24:05

3M ago1:24:05

1:24:05

By now, most of you know Chad — he’s been on the show many times and is a good friend of the podcast. He’s a man who really needs no introduction! In this laid-back episode, we catch up with Chad and chat about a wide range of topics, from his latest breeding projects and new strains in the works, to using AI for video creation, and even our though…

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⚡Plants Cast Lightning Bolts to Split Water, Feat. Nik 1:17:44

3M ago1:17:44

1:17:44

FREE bottle of micro flow for a limited time with ANY ORDER using CODE GROWCAST at www.rootedleaf.com We always talk about microbes, and how magical they are. But compared to plants microbes are like ancient cave people, rubbing sticks together and painting cave paintings for the almighty plant gods. Join Nik as we explore the complexity of Oxygen …

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Father Accused of Killing Baby Whilst High on Cannabis | Texas Legalizes Medical Cannabis | UK Chemical Reclassification | Lawsuit Targets Cannabis Company | Cannabis News Episode 168 1:06:04

3M ago1:06:04

1:06:04

In this week’s episode of High on Home Grown, we bring you the latest cannabis headlines from around the globe: Macky reports on a move by UK authorities to reclassify a chemical found in cannabis, with changes potentially on the horizon. He also covers a tragic case where a father accused of murdering his baby lied to police about his cannabis use…

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Dominic Milton Trott, Man Who Has Tried 182 Different Psychoactive Substances 1:40:31

3M ago1:40:31

1:40:31

We sit down with Dominic Milton Trott, the author of The Drug Users Bible, and a man who set out on a wild and fascinating journey to personally test and document 182 different psychoactive substances! In this episode, we talk about what inspired Dominic to take on such a unique and risky mission, how long the journey took, and what he learned alon…

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Cannabis Edibles Could Be Banned in US | The Pros and Cons of Using Cannabis | Guernsey Medicinal Cannabis Misuse? | 24 Million Europeans Use Cannabis | Cannabis News Episode 167 1:12:11

3M ago1:12:11

1:12:11

In this week’s episode of High on Home Grown, we explore the biggest cannabis news stories from the UK, Europe, and the US: Macky covers a revealing report from Guernsey, suggesting that medicinal cannabis may be widely used for recreational purposes. He also shares a troubling case from Bradford, where a man exploited a woman to run a cannabis gro…

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How to Grow Cannabis: Integrated Pest Management | Grow Guides Ep. 46 1:01:57

3M ago1:01:57

1:01:57

Integrated Pest Management (IPM) is about staying ahead of pests without toxic sprays. We explain how to set up an IPM strategy using biologicals, habitat control, and safe treatments. Whether you're a new grower or a seasoned pro, this episode will help you build a stronger defense against pests and keep your cannabis thriving naturally. Don’t mis…

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😽Cooter Smooch, a Kindway Classic Cultivar 1:06:12

4M ago1:06:12

1:06:12

Jesse and Matt from Kindway Farms are on the podcast for the very first time! Tune in to hear about their journey from stoner neighbors, to a prolific husband and wife breeder duo. Kindway shares the story of their breeding roots, and how serendipitous events (like the discovery of Matt's Ghost Train Haze male) led to the creation of this lovely ca…