John from http://www.growingyourgreens.com returns with another no-fluff, deep-dive episode straight from his thriving backyard garden in Las Vegas—where summer temps often break 100°F, but his food forest is exploding with growth. In this September 2025 Q&A, John tackles real gardening questions from real viewers—covering everything from olive preservation to irrigation strategies, oxalates, pest control, and how to choose the most nutrient-dense lettuce for your plate. This episode is a masterclass in how to grow smarter in extreme climates, delivered by someone who’s walked the walk for over a decade. We kick things off beneath John's lush arch trellis overflowing with Malabar spinach, water spinach, and longevity spinach—all thriving without shade cloth. John explains exactly how he irrigates in the desert (yes, multiple times per day), and why timing your watering with plant stress signals can be the key to surviving the Vegas sun. Have olives? John walks through multiple processing methods—from simple salt curing to fermentation—and explains why bitterness might just mean more nutrition. Curious about juicing radishes? He shares the pros, cons, and which varieties pack the most health benefits. He also dives deep into: – Why arborist wood chips are great for pathways (but not raised beds) – How to customize drip irrigation zones for trees vs. vegetables – Why hot chili peppers and low-salt diets work together – His top 3 summer AND winter crops for fast growth and resilience – What he really thinks about oxalates, predatory insects, and garden myths – And why the Jora JK400 composter is a rusty disappointment Later in the episode, John announces an upcoming visit to the 2025 Persimmon Festival in Jacksonville, Florida, and teases a special collab with Tim from Eat Your Yard Jax. If you're in Florida or Zone 9, you won’t want to miss what's coming. John also shares his philosophy around diversity, mineral density, and why growing your own nutrient-rich food is the most powerful thing you can do for your health and your family’s future. Whether you're gardening in scorching heat, urban spaces, or just starting out—this episode is loaded with timeless, practical advice that’s rooted in experience and backed by results. Jump to the Questions that John will answer in this episode: 00:00 Episode Starts – A Q&A you’ll want to stick around for 00:38 How to Get Your Question Answered in Future Episodes 00:59 Harvested Olives? Here’s What Most People Don’t Know 02:05 Radishes: Better to Eat or Juice? The Surprising Truth 02:30 Woodchips as Ground Cover: Helpful or Harmful? 03:49 Las Vegas Gardening? The Exact Way to Dial in Irrigation 07:57 Do Hot Chili Peppers Belong in a Healthy Diet? 08:39 The Hidden Danger of Salt in Everyday Foods 10:25 Fastest Growing Crops for Summer — Top 3 Picks 12:22 My Top 3 Winter Crops That Thrive (Even in Tough Weather) 13:09 Which Lettuce Is Actually the Most Nutritious? 14:10 Oxalates in Greens: Should You Be Worried? 17:44 Predatory Insects vs. Stone Lizards — What Really Works 20:38 Is the Joraform JK400 Worth It? My Honest Take on Rust 22:25 Why I Use Multiple Drip Controllers (And You Should Too) 24:20 A Special Florida Trip and Collab You Won’t Want to Miss Please help me Get to 1M Subscribers! https://www.youtube.com/subscription_center?add_user=growingyourgreens YouTube demonitized me, but I am not stopping. Show your support at https://www.patreon.com/growingyourgreens/ Follow John on Instagram at: https://instagram.com/growingyourgreens/ Watch 1700+ GROWINGYOURGREENS videos FREE at https://www.youtube.com/user/growingyourgreens/videos?view=0&sort=dd&flow=grid&live_view=500 Post a Question that may get answered in the next Q&A Episode at https://www.youtube.com/user/growingyourgreens/community?disable_polymer=1 Buy my Plant-Based recipe book (over 130 recipes!) http://www.payhip.com/GYG Support Me and Join my Patreon at http://www.patreon.com/growingyourgreens Buy a GYG Tee Shirt http://www.compassion-tees.com Referenced and Related Episodes: My Favorite Composter: Lifetime 80 Gallon https://www.youtube.com/watch?v=dQ8GwkIQFls Second Favorite Composter: https://www.youtube.com/watch?v=uWth7cPuDD0 Salt Cure Olives https://www.youtube.com/watch?v=hwycH-nQWcA My detailed view on Oxalates https://www.youtube.com/watch?v=tUqT8o4vq5w Rincon Vitova - The Power Of Beneficial Insects https://www.youtube.com/watch?v=L6iHWyrM_3A Planting Pollinators to attract Beneficial Insects https://www.youtube.com/watch?v=3B8AgJDDBWQ Prevent Pests in Your Garden without Spraying Anything https://www.youtube.com/watch?v=nSzHqiJm30o Recommended Links Eat Your Yard Jax Persimmon Festival https://eatyouryardjax.org/annual-persimmon-festival John's Favorite Products: https://www.amazon.com/shop/JohnKohler When you use the above Amazon link, Amazon will share a small commission with John so he can continue his education work.