Friend of the show and lighting expert Dr. MJ Coco joins us on this episode all about underlighting your garden canopy. Coco explains which types of garden benefit most from undercanopy lighting, and which situations benefit less. He also explains how to properly apply underlighting when it comes to light schedule and ppfd, and breaks down exactly how plants utilize photon energy when gathered from the bottom.

Join GrowCast Membership TODAY! The best community in cultivation. Personal 24/7 garden support, Members Only content and discounts, and the Grand Pheno Hunt! www.growcast.com/membership

Code GROWCAST15 now works with grow KITS from AC Infinity! www.acinfinity.com use promo code GROWCAST15 for 15% off the BEST grow fans in the game, plus tents, pots, scissors, LED lights, and more!

20% off www.rootedleaf.com with code GROWCAST sitewide!

Mark from GreenGro joins the show for an incredible episode about taking a GOOD soil grow to a GREAT soil grow. Mark talks about the lack of minerals in most soil mixes, and the abundance of filler. He discusses the process of applying fermented biochar, and how people misuse the input. Mark also gives tips on heavy metal testing, water quality, and phosphorous fixing microbes.

Join GrowCast Membership TODAY! The best community in cultivation. Personal 24/7 garden support, Members Only content and discounts, and the Grand Pheno Hunt! www.growcast.com/membership

Code GROWCAST15 now works with grow KITS from AC Infinity! www.acinfinity.com use promo code GROWCAST15 for 15% off the BEST grow fans in the game, plus tents, pots, scissors, LED lights, and more!

20% off www.rootedleaf.com with code GROWCAST sitewide!

Prolific pollen chucker and friend of the show Terp Wizard stops by to talk about his recent mango drop, and using a variety of garden techniques to maximize biodiversity and increase flavor and aroma output.

20% off www.rootedleaf.com with code GROWCAST sitewide!

Join GrowCast Membership TODAY! The best community in cultivation. Personal 24/7 garden support, Members Only content and discounts, and the Grand Pheno Hunt! www.growcast.com/membership

Code GROWCAST15 now works with grow KITS from AC Infinity! www.acinfinity.com use promo code GROWCAST15 for 15% off the BEST grow fans in the game, plus tents, pots, scissors, LED lights, and now REFILLABLE FILTERS!

Coffee show is back w/ an episode on TERPS :) check it out!

NEW COFFEE SHOW!

We pick up right where we left off with friend of the show JLS Monster- on this episode he discusses how he maximizes the yield in his garden, why he loves chem profiles so much, and how just because a cut is frosty doesn't mean it's not "all stalk." Join GrowCast Membership TODAY! The best community in cultivation. Personal 24/7 garden support, Members Only content and discounts, and the Grand Pheno Hunt!

www.growcast.com/membership Code GROWCAST15 now works with grow KITS from AC Infinity!

www.acinfinity.com use promo code GROWCAST15 for 15% off the BEST grow fans in the game, plus tents, pots, scissors, LED lights, and now REFILLABLE FILTERS!

Update on GC channel and future content :)

GrowCast Podcast will return in the next 2 weeks

www.growcast.com/guide for the free beginner's guide

Richmond VA Breeder Class- June 6
VA Beach Breeder Class- June 7

www.growcast.com/events for classes

HAPPY 420! Cult Cup just 12 days away. Grab your tickets at growcast.com/events

(00:00) Intro and newly discovered aromatics
(03:26) Consumption method flavor nuance
(10:19) Heat as a flavor catalyst
(15:58) Riley's grow and veggie garden

This is a part two with Riley Kirk, you can catch up on the last episode or just pick up right here! On this installment, Riley talks about the nuance of flavor that comes from compounds (some of which are just being discovered) not only being present and produced by our flowers- but also by interacting and transmuting when introduced to things like heat and pressure. Riley also shares some insights into her own grow, as a researcher who also takes the extra step to grow the plant herself.

BOGO on GrowCast Seed Co: www.growcast.com/seeds

42% off www.rootedleaf.com with code GROWCAST this week only

Join GrowCast Membership TODAY! The best community in cultivation. Personal 24/7 garden support, Members Only content and discounts, and the Grand Pheno Hunt! www.growcast.com/membership

Code GROWCAST15 now works with grow KITS from AC Infinity! www.acinfinity.com use promo code GROWCAST15 for 15% off the BEST grow fans in the game, plus tents, pots, scissors, LED lights, and now REFILLABLE FILTERS!

PART ONE OF TWO

Cult Cup 2026, Saturday May 2nd, Loves Park IL! Don't miss the biggest event of the year: www.growcast.com/events

(00:00) Introduction & staying connected with patients
(06:05) Skatole resembles DMT
(09:31) Compounds that make experiences go "up or down"
(14:13) Follow your nose
(18:48) Riley's favorite medicinal compound

Fan favorite Dr. Riley Kirk returns to the program to pick up right where we left off. Today she is here to discuss how aromatic compound affect our canna experience, and also how they affect our health. Riley points out some of her favorite compounds and extrapolates on how they function in the human body, and shares some interesting facts around more psychedelic chemovars...

Join GrowCast Membership TODAY! The best community in cultivation. Personal 24/7 garden support, Members Only content and discounts, and the Grand Pheno Hunt! www.growcast.com/membership

Code GROWCAST15 now works with grow KITS from AC Infinity! www.acinfinity.com use promo code GROWCAST15 for 15% off the BEST grow fans in the game, plus tents, pots, scissors, LED lights, and now REFILLABLE FILTERS!

VIRGINIA CLASS! 6/6/2026 - Rhizo Rich Breeder Workshop - www.growcast.com/events

(00:00) Intro and Dr. Coco's consulting work
(04:37) 12/12 during veg: Dr. Coco's take
(16:28) Tips for caring for mother plants
(21:39) Shortening veg for more harvests per year?
(30:49) Diagnosing intersex plant causes

Dr. Coco returns to discuss the idea behind "the end of the veg light cycle," as proposed in a very interesting High Times article. This begs the question: when does 12/12 from seed or clone make reasonable sense, and when is it a waste of time? Dr. Coco also shares his best tips on keeping mothers alive and happy for long periods of time.

Join GrowCast Membership TODAY! The best community in cultivation. Personal 24/7 garden support, Members Only content and discounts, and the Grand Pheno Hunt! www.growcast.com/membership

GrowCast Seed Co KLM DROP IS LIVE! Members get $20 off per pack- this Key Lime Madness Drop is going fast so don't miss it! www.growcast.com/seeds

Code GROWCAST15 now works with grow KITS from AC Infinity! www.acinfinity.com use promo code GROWCAST15 for 15% off the BEST grow fans in the game, plus tents, pots, scissors, LED lights, and now REFILLABLE FILTERS!