Level 2 · Beginner

Root Whisperer

Soil and Hydroponics

Deeper soil science, plus alternative mediums — hydroponics, aquaponics. The green thumb is about the medium and roots, not the leaves.

Lessons

Min total

Parts each

Start · Lesson 1 ← Back to Academy

Level 2

Level 2 Lessons

6 lessons · 54 min total

What Is Soil, Really?

Discover what soil actually is, why it matters more than most people think, and the difference between dirt and living soil.

9 min read

Building Great Soil — Compost & Natural Amendments

Learn how to turn any soil into a thriving growing medium using compost, natural amendments, and techniques that feed the soil food web.

10 min read

Understanding Nutrients — What Plants Need

Learn the essential nutrients every plant needs, where they come from naturally, and how to spot deficiencies before they become problems.

9 min read

Introduction to Hydroponics — Growing Without Soil

Learn the basics of hydroponic growing — what it is, how it works, the main systems, and why it might be right for you.

9 min read

Aquaponics — Fish and Plants Working Together

Discover how aquaponics combines fish farming with hydroponics to create a self-sustaining growing system that's both fascinating and productive.

9 min read

The Green Thumb Myth — It's About the Medium

Bust the biggest myth in growing: the 'green thumb' isn't a talent you're born with — it's knowledge about soil, water, and growing mediums that anyone can learn.

8 min read

Skill unlock

Green Thumb Myth, Busted

Complete all 6 lessons to earn this skill and add it to your profile.

Keep Growing

← Previous · Level 1

Groundbreaker

The Growing Basics

Next · Level 3 →

Garden Architect

Build Your Garden