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Upon completion of each certificate level, students will have mastered the identifying characteristics, habits, and growing information for 300 plants. Each certificate is earned consecutively and is based on meeting the requirements listed below. Core courses (to ensure a base level of knowledge) along with electives in plant sciences, plant identification, and horticultural techniques are available for a tailor-made horticulture learning experience.

Certificate Requirements

Please use the Certificate of Merit Student Tracking Sheets:

Level I

PLANT SCIENCE

  • Understanding Plants
  • Additional Plant Science course

CORE COURSES (all 6 weeks)
May be taken in any order

  • Deciduous Trees
  • Conifers
  • Perennials
  • Ornamental & Native Shrubs
  • Native Plants

ELECTIVE COURSES

  • 12 weeks of elective courses are required: made up of 6-week and/or 3-week courses of your choice

HORT-TECH COURSES

  • 4 horticulture technique courses of your choice

Level II

PLANT SCIENCE

  • Any Plant Science course NOT used in Level I
  • Any Plant Science course NOT used in Level I

CORE COURSES (all 6 weeks)
May be taken in any order

  • Small Flowering Trees
  • All-Purpose Annuals
  • Broad-Leaved Evergreens
  • Underutilized Plants

ELECTIVE COURSES

  • 18 weeks of elective courses are required: made up of 6-week and/ or 3-week courses of your choice NOT used in Level I

HORT-TECH COURSES

  • 4 horticulture technique courses of your choice NOT used in Level I

Level III

PLANT SCIENCE

ELECTIVE COURSES

  • 42 weeks of elective courses are required: made up of 6-week and/or 3-week courses of your choice NOT used in Level I or II

HORT-TECH COURSES

  • 4 horticulture technique courses of your choice NOT used in Level I or II

Learning in the Gardens: Plant Walks

An integral part of the Ornamental Horticulture program is the option to study the course plants outside of the classroom. Explore the Gardens with a team of qualified instructors who bring a vast amount of horticultural knowledge and years of field experience to the program. Hone identification skills, study live specimens, cultural conditions, and landscape uses of plants in the outdoor gardens and indoor conservatories at Longwood. Designed for small groups, we encourage you to take advantage of this unique opportunity to study in a magnificent setting.

Horticulture Technique Courses

Develop a new skill or brush up on a gardening topic with our experts in these hands-on classes focused on various horticulture techniques. Whether it’s pruning or planting, we hope you will join us for one of these practical courses.

Completion of Certificate

Each year, Longwood celebrates the accomplishment of our graduates! If you have completed the requirements for one of our Certificates of Merit, join us for a celebration on Tuesday, November 12, 2019. To check your eligibility, please use the Certificate of Merit Student Tracking Sheets (Level I, Level II, Level III) or call 610.388.5454. If you are eligible to graduate, please send your completed tracking sheet to the Continuing Education Office or email to help-ce@longwoodgardens.org. Confirmed candidates will receive detailed information in the fall.