Assistant Horticulturist

(Paid Opportunities) Return to Paid Opportunities

Compensation: $27 /hour + DOE

Trillium Landscape Design is a boutique rooftop and garden design and installation firm based in New York City. We are seeking a highly skilled, hands-on Assistant Horticulturist with strong plant knowledge, advanced pruning ability, plant healthcare expertise, refined observational skills, and a passion for maintaining exceptional, high-end urban gardens.

This role is designed for a field-based professional who can arrive on site, quickly assess conditions, identify priorities, and execute horticultural work efficiently and to the highest aesthetic and technical standards. The ideal candidate is a full-time, hands-on horticulturist who thrives in a physically demanding environment and takes pride in delivering consistently polished results.

Responsibilities/Duties

  • Expert identification of plants, weeds, pests, and diseases 
  • Diagnose declining or stressed plant material and implement appropriate corrective treatments 
  • Perform advanced pruning of trees and shrubs using proper horticultural techniques and strong aesthetic judgment 
  • Conduct spot spraying and plant healthcare treatments using organic products 
  • Execute detailed garden maintenance, including deadheading, dividing perennials, staking, training vines, and refined horticultural care 
  • Perform all routine maintenance tasks, including sweeping, blowing, raking, and debris removal 
  • Demonstrate a strong understanding of rooftop planting mixes and their performance in elevated environments 
  • Independently prioritize tasks during each site visit to maximize efficiency and results 
  • Assist with plant deliveries, layouts, seasonal maintenance, and installations as directed by the Director of Design 
  • Maintain accurate horticultural and maintenance records 
  • Support a respectful, collaborative, and positive team culture 
  • Communicate professionally and diplomatically with clients and coworkers 
  • Work full-time in the field throughout the week, hands-on each day 
  • Perform work efficiently while maintaining exceptional attention to detail, organization, and consistency

Qualifications/Requirements

  • Minimum of 3 years of formal education in horticulture 
  • Minimum of 5 years of hands-on field experience 
  • Professional urban gardening and landscape maintenance experience in NYC 
  • Strong rooftop garden experience required 
  • Exceptional observational, diagnostic, and troubleshooting skills 
  • Strong work ethic and ability to manage a physically demanding weekly workload 
  • Calm, patient, detail-oriented, and highly organized 
  • Excellent communication and interpersonal skills 
  • Proficient in Word, Excel, and Microsoft Office 
  • Punctual and reliable 
  • Ability to lift up to 50 lbs and work in all weather conditions 
  • Valid driver’s license required and ability to confidently operate a box truck throughout NYC (A Must)   
  • Comfortable navigating city streets and subway logistics when necessary

Additional Information

WE OFFER   

  • Compensation commensurate with experience and qualifications 
  • Paid holidays, vacation, and sick leave 
  • Transportation expenses 
  • Equal opportunity employer committed to diversity and inclusion

TO APPLY: Please submit your resume and cover letter to Dan@nyctrillium.com.

Contact Information

Trillium Landscape Design
Contact Name: Dan Hunter
Email: Dan@nyctrillium.com