The Beginner's Garden with Jill McSheehy

489 - Using a Greenhouse to its Full Potential with Leslie Halleck

The Beginner's Garden with Jill McSheehy

Show Notes

Thinking about getting a greenhouse but not sure what it can actually do for your garden? A greenhouse can extend your growing season, protect plants through winter, and give seedlings a head start, but only if you understand how temperature, light, and humidity work together. In this episode, I'm talking with Leslie about greenhouse gardening for beginners, including what I've learned from using my own greenhouse for the past six years. We'll cover unheated versus heated greenhouses, supplemental grow lights, seed starting, pest prevention, and what to consider before buying a greenhouse. Check out Leslie's book "Home Greenhouse Revival" here: https://amzn.to/4qMk75Y Free Download: The Beginner's Garden Resource Vault Get complimentary access to growing guides, charts, and resources to help you grow food with more clarity and less overwhelm. Get the Beginner's Garden Resource Vault Key Takeaways Understand what an unheated greenhouse can do

Use temperature and light to extend seasons

Know when seedlings need supplemental grow lights

Prevent greenhouse pests before they spread

Choose a greenhouse based on your plants

Chapters 00:00 – How greenhouses extend your season 03:41 – Why unheated greenhouses still help 06:51 – Keep winter crops growing longer 08:29 – How temperature affects plant growth 09:47 – When greenhouse grow lights help 12:07 – Can greenhouses replace indoor seed starting? 14:18 – Choose plants before your greenhouse 16:43 – Beds, containers, and greenhouse zones 19:42 – Why greenhouse size matters 20:23 – Why seedlings grow faster inside 23:06 – How humidity affects plant growth 24:41 – Understanding grow light limitations 26:44 – How plants actually use light 28:07 – Why winter sunlight is weaker 29:54 – Prevent greenhouse pest problems 32:49 – Using beneficial insects indoors 33:35 – What to know before buying 36:41 – Greenhouse growing beyond vegetables Resource Links The Beginner's Garden Resource Vault: Free growing guides, charts, and resources Friday Emails: Sign up for Jill's Friday Emails YouTube: Journey with Jill on YouTube Instagram: The Beginner's Garden on Instagram Podcast Archive: The Beginner's Garden Podcast Recommended Brands & Products: See my recommended gardening brands and products Amazon Storefront: Shop my recommended gardening products As an Amazon Associate, I earn from qualifying purchases. Complete Garden Planner: Ready for a simple system to plan and track your garden? My Complete Garden Planner makes it easy. Complete Garden Planner Disclaimer Gardening advice shared in this podcast is based on my own experience in Zone 8a (Arkansas) and from the feedback I receive from others in different gardening contexts. Your results may differ depending on your location, climate, and growing conditions. Always check your local extension service or trusted resources for region-specific guidance. Some links mentioned may be affiliate links, which means I earn a small commission at no extra cost to you if you make a purchase. As an Amazon Associate, I earn from qualifying purchases.

More from The Beginner's Garden with Jill McSheehy

Oct 20, 2026

Growing fall vegetables when temperatures won't drop can be frustrating, even for experienced gardeners. What can you do to help broccoli, cabbage, and cauliflower survive extreme heat? And which crops might surprise you? After six weeks of 100-degree temperatures and drought in my Arkansas garden, I'm sharing what worked, what struggled, and what I'll change next year. We'll talk about planting dates, choosing broccoli varieties, using shade cloth, managing irrigation, and protecting transplants. I'll also share my surprising success with bok choy and what happened to my tomatoes, cucumbers, squash, and peppers when the heat just wouldn't let up. YouTube Video: https://youtu.be/fQTlF_XNBHg?si=6Zxg_ScpZVXoBsFt Free Download: Broccoli, Cauliflower & Cabbage Quick-Start Growing Guide Learn when to plant, how to protect your crops, and how to grow healthier brassicas in spring and fall. http://journeywithjill.net/broccoli-guide Key Takeaways Choose short-season broccoli varieties and plant early enough for fall harvests.

Oct 13, 2026

Struggling to keep your fall garden alive through unusually hot weather? If your lettuce seedlings are wilting or your fall planting schedule has fallen behind, you're not alone. I'm sharing practical fall gardening lessons from a season of extreme heat and drought in my Arkansas garden. After 13 years of gardening, I experienced something I'd never encountered before: weeks of triple-digit temperatures and flash drought conditions stretching into September. In this episode, I'll walk you through what happened to my lettuce and pansies, the decisions I made to protect my seedlings, and what I'll do differently next time. Free Download: Lettuce Quick-Start Growing Guide Learn when to plant lettuce, how to start seeds indoors, and how to prevent bolting and bitterness. You'll also get free access to my Beginner's Garden Resource Vault. http://journeywithjill.net/lettuce-guide Grow Garlic With Confidence My Garlic Mini Course includes 10 short video lessons covering everything from preparing your soil and planting to harvesting and saving garlic for next year. https://journeywithjill.net/pcaudio/garlicworkshop/ Key Takeaways Learn why lettuce struggles to germinate and grow during extreme heat.

Oct 6, 2026

Not sure where to plant garlic without giving up valuable spring garden space? Garlic stays in the garden for months, so where you plant it now matters next spring. In this episode, I'll show you practical garlic planting layouts for raised beds and small gardens. Free Download: Garlic Planting Cheat Sheet Get the timing, spacing, and growing basics you need for your first (or best) garlic crop. http://journeywithjill.net/garliccheatsheet Learn More about Garlic: Garlic Growing Mini Course This mini course is a favorite of my audience! If you want to have success growing garlic click here: journeywithjill.net/pcaudio/garlicworkshop/ Use code GARLIC26 to enroll for just $19 (Reg. $29) Garlic is one of the easiest crops I grow, but it occupies garden space from fall until late spring or early summer. That means your garlic planting plan needs to account for the broccoli, carrots, lettuce, peppers, and other crops you may want to grow next year. In this episode, I'm sharing several ways to fit garlic into your garden, including borders, relay planting, checkerboard layouts, and dedicated garlic beds. I'll also explain which crops can share space with garlic and which ones I would avoid. Key Takeaways Treat fall-planted garlic as your first spring planting.

Sep 29, 2026

Planting onions in fall might give you an earlier harvest than you thought possible. If you garden in Zone 7 or warmer, overwintering onions may help you harvest sooner, reduce bolting, and spread your onion harvest across several months. In this episode, I'm sharing what happened when I tested fall-planted onions in my Zone 8a Arkansas garden and how to decide whether this method could work where you live. Free Download: Onion Quick-Start Growing Guide Learn how to choose the right onion type for your location, get your planting timing right, and grow bigger, healthier onions. Get the Onion Quick-Start Growing Guide Key Takeaways Decide if fall planting fits your climate.

Sep 22, 2026

Your fall garden may be growing the same vegetables you planted in spring, but that doesn't mean they need the same care. Shorter days, warm soil, changing temperatures, and slower growth all affect how you should water, shade, and protect fall crops. In this episode, I'll help you adjust your fall garden care so lettuce, carrots, broccoli, and other cool-season crops have what they need. Free Download: Spinach Growing Guide Spinach can be a tricky crop to grow successfully depending on your location. This guide will help you have success. https://journeywithjill.net/pcaudio/spinach-guide/ Key Takeaways Water more at planting, then taper as fall cools. Remove shade cloth once seedlings are established. Give broccoli and carrots as much fall sun as possible. Plant more lettuce and greens to offset slower growth. Protect crops from sudden early freezes when needed. Chapters 00:00 – Why fall care is different 02:05 – Adjust watering as temperatures change 05:15 – Use fall shade cloth differently 07:26 – Know when to remove shade 09:47 – Give broccoli more fall sun 11:13 – Why carrots need enough sunlight 13:29 – Plant more fall lettuce and greens 15:42 – Prepare crops for early freezes 18:06 – When to use row covers 20:30 – Learn by observing your garden 21:44 – What's coming next Resource Links Seasonal Garden Task List: https://journeywithjill.net/seasonal-task-list Friday Emails + Free Growing Guides: https://journeywithjill.net/gardensignup Recommended Brands & Products: https://journeywithjill.net/recommended-brands-and-products/ Amazon Storefront: https://www.amazon.com/shop/thebeginnersgarden Complete Garden Planner: https://shop.journeywithjill.net/ Disclaimer Gardening advice shared in this podcast is based on my own experience in Zone 8a (Arkansas) and from the feedback I receive from others in different gardening contexts. Your results may differ depending on your location, climate, and growing conditions. Always check your local extension service or trusted resources for region-specific guidance. Some links mentioned may be affiliate links, which means I earn a small commission at no extra cost to you if you make a purchase. As an Amazon Associate, I earn from qualifying purchases.

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