Greenhouse Manager (Part-time Seasonal)

GREEN LAKE CONFERENCE CENTER • Green Lake, WI

3d

About The Position

Green Lake Conference Center (GLCC) is seeking a mission-aligned and experienced Greenhouse and Grounds Manager – Seasonal to oversee summer greenhouse operations and campus landscaping efforts. This leadership role is ideal for someone who enjoys working outdoors, has a strong knowledge of plants and horticulture, and takes pride in cultivating beautiful, welcoming spaces that reflect excellence and stewardship. The Greenhouse Manager will provide hands-on leadership in the greenhouse and across grounds, guiding seasonal staff and volunteers while ensuring the health, vibrancy, and presentation of all planted areas. This position plays a key role in enhancing the guest experience through thoughtful landscape care and seasonal displays.

Requirements

• Alignment with GLCC’s mission and values.
• Experience in horticulture, greenhouse management, landscaping, or outdoor maintenance.
• Ability to work independently while effectively guiding a team.
• Ability to work outdoors in varying weather conditions.
• Ability to lift up to 50 lbs and perform physical labor, standing or sitting, for extended periods.
• Strong attention to detail with a proactive and solutions-oriented mindset.

Nice To Haves

• Demonstrated ability to lead or supervise seasonal staff or volunteers is strongly preferred.

Responsibilities

• Oversee daily greenhouse operations, including seed and bulb starting, plant propagation, watering schedules, fertilization, and pest management.
• Monitor plant health and proactively address disease, nutrient deficiencies, or environmental concerns.
• Manage greenhouse inventory, organization, and seasonal planting plans in coordination with the Director of Maintenance.
• Provide daily direction and training to seasonal staff and volunteers assigned to greenhouse and grounds areas.
• Ensure tasks are completed efficiently, safely, and to GLCC quality standards.
• Lead planting, watering, pruning, and maintenance of flowers, shrubs, trees, and garden beds across campus.
• Design, implement, and maintain seasonal displays that enhance campus beauty and hospitality.
• Ensure high-visibility guest areas remain vibrant, well-kept, and welcoming.
• Coordinate mowing, edging, and maintenance of walking paths and gardening spaces.
• Oversee mulching, fertilizing, weeding, and integrated pest control following best practices.
• Maintain cleanliness and organization of greenhouse and groundskeeping tools and equipment.
• Ensure safe handling of fertilizers, chemicals, and equipment in accordance with safety protocols.
• Report maintenance or repair needs promptly.
• Uphold GLCC’s mission of hospitality and stewardship by ensuring outdoor spaces reflect excellence, care, and intentionality.
• Support special events and seasonal campus needs as assigned.
• Perform additional responsibilities as assigned by the Director of Maintenance to support campus readiness and guest experience.

Benefits

• Gain hands-on experience in greenhouse operations and landscaping.
• Work in a beautiful outdoor environment while contributing to a Christian hospitality mission.
• Be part of a supportive team that values hard work and stewardship of creation.

What This Job Offers

• Job Type: Part-time
• Career Level: Manager
• Education Level: No Education Listed
• Number of Employees: 11-50 employees