Longwood Gardens offers a landscape design certificate aimed at three groups: people starting their own design business, professionals in horticulture or landscaping who want to sharpen their design skills, and hobbyists deepening their knowledge. The program pulls from instructors who work at Longwood itself, which gives it some credibility since they're teaching from real-world experience at an established garden operation. The curriculum covers design theory, hand-drafting, plant selection and siting, and best practices—the core skills you'd actually need to move from thinking about gardens to creating them. The hands-on component matters here. You're not just sitting through lectures. Students work on their own designs throughout the program, learning to translate what clients want into actual drawings and communicate those ideas visually. That's where the gap usually exists—plenty of people have taste in gardens, but fewer can actually draw what they're imagining or explain it to someone else. To earn the certificate, you need to complete 154 total hours of coursework. That breaks down to 119 hours of required core courses and 35 hours of electives you choose based on your interests. It's a substantial commitment, not a weekend workshop, which means the program expects real engagement with the material.