Horticulturist / Botanical Garden Curator
Cultivate and manage plant collections for research and education.






Unity’s online programs are trusted by over 10,000 students across all 50 states.
Sustainable horticulture combines plant science with eco-friendly practices to cultivate plants in various settings, from fields to greenhouses to vertical hydroponic systems. You’ll learn to select, manage, and improve plant species and products for diverse environments, while mastering skills in integrated pest management, disease identification and monitoring, and the safe use of fertilizers, herbicides, and pesticides.
The field also explores the social, spiritual, economic, and cultural importance of plants in both historical and modern communities. Graduates are prepared for careers in agronomy, farming, greenhouse management, hydroponics, and seed production. They can apply climate-smart agricultural practices to improve sustainability and address global challenges such as climate change, water availability, food safety, and energy use.
This degree prepares you for eco-conscious careers in plant science, food production, and landscape management. You’ll gain skills in organic cultivation, pest management, and sustainable business planning, learning to integrate eco-friendly practices across greenhouse management, landscaping, and gardening. Graduates go on to a range of horticultural careers, or pursue advanced study, with a strong foundation in leading sustainable growing operations from field to greenhouse.
Your online education should be affordable and manageable. Thanks to our promise to keep tuition flat through 2030, you won’t be burdened with unexpected increases or fees.
Our team of distance education concierges will work with you through the admissions process to help you plan and pay for your degree. Learn more about the costs here.
Our comprehensive 120-credit program can be tailored to fit your schedule and goals! Completion time is flexible, determined by the number of credits you choose to take each term (8 terms/year) and less time with transfer credits. Without transfer credits, you can anticipate the following completion times:
General Education Core: 39 credits
Environmental Professional Core: 14 credits
Elective Courses: 28 credits
Program Core: 39 credits
For course requirements and a better look into your program, view our full course catalog. Then apply online for free to get started.


Explore plant diseases and their impact, then design strategies to prevent and treat disease and promote healthy plant growth.


Discover what drives plant growth, distribution, and abundance, and how plants shape energy and nutrient flow in ecosystems.


Study the biological, chemical, and geological components of soil, including soil chemistry, taxonomy, geography, and erosion.
Balance life, work, and education by studying when and where you want.
Accepting up to 90 transfer credits to graduate sooner and save money.
Up to 8 terms each year let you take breaks without affecting financial aid.
Ranked in the top 1% of universities nationwide by the Social Mobility Index.
Nationally recognized educational quality at an affordable price.
Dedicated to turning career and academic aspirations into tangible achievements.
Connect with experts who share your passion for working in the animal industry.
Focused on sustainable practices for an environmentally aware future.