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Supervisory Horticulturist
Supervisory Horticulturist-March 2024
Washington
Mar 29, 2026
About Supervisory Horticulturist

Summary The Smithsonian Institution is the world’s largest museum, education, and research complex, with 21 museums and the National Zoo. This position is located in the Smithsonian Gardens (SG) within the Smithsonian Institution (SI). Smithsonian Gardens is a recognized collections unit which manages collections of garden artifacts, living plants and the Archives of American Gardens. Responsibilities The Supervisory Horticulturist provides leadership and direction to a staff of 8 to 10 employees as well as varying numbers of seasonal staff, interns, fellows and volunteers. In this position, you will: Collaborate with Smithsonian Gardens and Smithsonian Facilities staff in the planning of horticultural and gardening methods and principles. Establish and maintain relationships with internal and external stakeholders to: persuade others, form and preserve professional connections, and provide technical guidance. Compose various documents related to the supervision, training, and promulgation of Smithsonian Gardens staff, policy, and scholarly research. Oversee, plan, implement and assess all greenhouse operations and grounds related horticulture programs, including designs, installations, development, and management activities. Establish and maintain educational and aesthetically pleasing settings for all Smithsonian museums and support facilities. Determine goals, deadlines, oversee, plan, implement and assess all greenhouse operations and grounds related horticulture programs, including designs, installations, development, and management activities. Requirements Conditions of Employment Pass Pre-employment Background Investigation May need to complete a Probationary Period Maintain a Bank Account for Direct Deposit/Electronic Transfer Males born after 12/31/59 must be registered with Selective Service. Conditions of Employment Qualification requirements must be met by the closing date of the announcement. For information on qualification requirements, see Qualification Standards Handbook for General Schedule Positions on OPM website. Qualifications Basic Requirement: (You must submit unofficial school transcripts) 1. Degree: horticulture; or a related discipline of basic plant science that included at least 30 semester hours in the basic plant sciences, of which at least 16 semester hours were in horticultural subjects such as those dealing with the breeding, care, management, production, and post harvest handling of horticultural crops. OR 2. Combination of education and experience: courses equivalent to a major in horticulture or a related discipline of basic plant science that included course work as shown above, plus appropriate experience or additional education. Evaluation of Education: Courses in botany, plant physiology, plant taxonomy, plant pathology, genetics, agronomy, horticulture, and similar courses may be used to meet the 30-semester-hour requirement in basic plant sciences. The 16-semester-hour requirement in horticulture includes course work in basic horticulture and course work related to any of the recognized subject-matter fields of horticulture, i.e., fruits, vegetables, ornamentals, nursery work, seed production, or course work in related areas of science, such as micro-biology, entomology, plant pathology, plant physiology, or genetics that is directly related to horticultural work In addition to the basic qualification requirement above: GS-11: You qualify for this position if you possess one year of specialized experience equivalent to at least the GS-09 level in the Federal Service or comparable pay band system. For this position specialized experience is defined as providing oversight of and performing horticulturist duties in a public garden, commercial landscape or nursery setting. Those duties must include assigning tasks and managing the daily operations for a horticulture staff; collaborating with gardening and landscape architecture professionals to plan, execute, and complete horticultural projects; and providing oversight for a horticultural program. Or Education 3 years of progressively higher-level graduate education leading to a Ph. d. degree or Ph. d. or equivalent doctoral degree. Or a Combination: Education and experience may be combined to meet the basic qualifications. For a full explanation of this option please see the Qualification Standards. GS-12: You qualify for this position if you possess one year of specialized experience equivalent to at least the GS-11 level in the Federal Service or comparable pay band system. For this position specialized experience is defined as providing oversight of and performing horticulturist duties in a public garden, commercial landscape or nursery setting. Those duties must include assigning tasks and managing the daily operations for a horticulture staff; collaborating with gardening and landscape architecture professionals to plan, execute, and complete horticultural projects; providing oversight for a horticultural program; and establishing and analyzing policies and procedures for a horticultural program. Experience refers to paid and unpaid experience, including volunteer work done through National Service programs (e.g., Peace Corps, AmeriCorps) and other organizations (e.g., professional; philanthropic; religious; spiritual; community, student, social). Volunteer work helps build critical competencies, knowledge, and skills and can provide valuable training and experience that translates directly to paid employment. You will receive credit for all qualifying experience, including volunteer experience. Part-time and/or unpaid experience related to this position will be considered to determine the total number of years and months of experience. Be sure to note the number of paid or unpaid hours worked each week. Education Basic Requirement: (You must submit unofficial school transcripts) 1. Degree: horticulture; or a related discipline of basic plant science that included at least 30 semester hours in the basic plant sciences, of which at least 16 semester hours were in horticultural subjects such as those dealing with the breeding, care, management, production, and post harvest handling of horticultural crops. OR 2. Combination of education and experience: courses equivalent to a major in horticulture or a related discipline of basic plant science that included course work as shown above, plus appropriate experience or additional education. Evaluation of Education: Courses in botany, plant physiology, plant taxonomy, plant pathology, genetics, agronomy, horticulture, and similar courses may be used to meet the 30-semester-hour requirement in basic plant sciences. The 16-semester-hour requirement in horticulture includes course work in basic horticulture and course work related to any of the recognized subject-matter fields of horticulture, i.e., fruits, vegetables, ornamentals, nursery work, seed production, or course work in related areas of science, such as micro-biology, entomology, plant pathology, plant physiology, or genetics that is directly related to horticultural work Additional Information This position is not included in the bargaining unit. Current or Former Political Appointees: Beginning January 1, 2010, agencies must seek prior approval from OPM before they can appoint a current or recent political appointee to a competitive or non-political excepted service position at any level under the provisions of title 5, United States Code. If you are currently or have been within the last 5 years, a political Schedule A, Schedule C, or Non-career SES employee in the executive branch, you MUST disclose that to the Office of Human Resources. Submit a copy of your applicable SF-50, along with a statement that provides the following information regarding your most recent political appointment: Position title; Type of appointment (Schedule A, Schedule C, Non-career SES, or Presidential Appointee); Agency; and, Beginning and ending dates of appointment. Recruitment Incentive: Recruitment incentive(s) may be authorized for this position. However, approval for incentives are contingent upon various availability. If authorized, certain incentives will require the incumbent to sign a service agreement to remain in the Federal government for a certain time period. Note: This statement does not imply nor guarantee an incentive will be offered and paid. Selections may be made for vacancies across the Smithsonian Institution (SI). By applying to this position, you agree to allow your application and other personal information to be shared with one or more SI hiring officials for employment consideration for same/similar positions within the location(s) identified in this announcement.

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