DIY Landscape Irrigation Basics (5 Mistakes Most Homeowners Make!)

Installing or upgrading a landscape irrigation system can save water, protect your plants, and make your yard easier to maintain — but only if it’s designed properly. In this video, Coach Matt walks through the five essential fundamentals of residential irrigation systems so DIY homeowners can avoid costly mistakes and design a system that actually works. If you’re planning a new irrigation system, upgrading an older one, or troubleshooting water coverage problems, these basics will help you understand how irrigation systems should be planned and installed. You’ll learn: • Why every irrigation system must start with a proper design plan • How PSI (water pressure) and GPM (gallons per minute) determine system capacity • Why pipe diameter matters for water flow and performance • How irrigation zones prevent pressure problems and uneven watering • A simple DIY upgrade tip that saves water and improves plant health Coach Matt also explains the basic math used to determine how many sprinkler heads a system can support — a critical step that many DIYers overlook. Whether you’re installing a system yourself or planning improvements, these irrigation fundamentals will help you build a more efficient, reliable watering system for your landscape. ⸻ Helpful DIY Landscaping Resources 15-Step DIY Landscaping Checklist https://www.youryardcoach.com/15-step... Landscaping Simplified eBook https://www.youryardcoach.com/landsca... Homescape 2.0 DIY Landscaping Course https://www.youryardcoach.com/diy-lan... Video Consultations & Landscape Design Help https://www.youryardcoach.com/yard-co... ⸻ Chapters 0:00 Landscape Irrigation Basics for Homeowners 0:55 Why Many Homes Still Don’t Have Irrigation 5:54 Why You MUST Start With a Plan 7:00 Understanding PSI and Gallons Per Minute 8:18 Why Pipe Size Matters 9:28 How Irrigation Zones Work 14:05 Typical Residential Pipe Sizes 14:54 Pro Tip: Use Drip Irrigation in Beds 18:18 Calculating How Many Heads Per Zone 19:35 Water Saving Irrigation Upgrade Tips #landscaping #irrigation #yardcoach