— Getting Started—

“Andrew and his crew just completed an enclosed garden for me. They did an amazing job! I highly recommend him for anyone looking for the perfect enclosed garden. Spring can’t come soon enough now.”

Jenny Grayson Hayes
Client, Black Rock Garden Structures

Getting Started Is Easy

No more bending to harvest
your vegetables!

Custom Cedar Vegetable Garden

Eliminate Pests
Reduce Soil Erosion
Increase Soil Drainage
Increase Soil Temperatures

  • Client makes appoint by phone or email
  • Appointment date and time is agreed to and a Black Rock Compost Company representative will arrive at your home or place of business
  • An on-the-spot consultation takes place as choice of services discussion – a custom cedar vegetable garden, custom cedar planter boxes or a composting device or all three
  • Specifications are taken and submitted to the draftsperson who will execute a rendering in a 2D or 3D dimensional and or an animated concept
  • A fee is required at the time services begin — before the concept design is rendered and and will go towards the final cost
  • Client will review proposal and design concepts with representative explaining in detail the design direction, labor cost, materials and company 3 year warranty
  • Client will sign off on the agreed quote and proposal description
  • A deposit of 60% is required with the remainder to be paid in full after the completion of the project
  • Ground breaking is then scheduled at the soonest date possible

Andrew Tyrrell

— Owner of Black Rock Garden Structures, LLC —

Loving natural products

  • Enclosed Cedar Vegetable Gardens
  • Cedar Planter Boxes
  • Cedar Composting Bins
  • Vermicomposting
  • Products are designed , installed and maintained to customers specs
  • Chicken Coops
  • Arbors
  • Pergola
  • Window Boxes
  • Obelisks
  • Trellises

Give yourself a Gift

Have a small space? Room to fill on your patio or around your pool? Black Rock Garden Structures is here to help. Offering clients various options for raised white cedar planter boxes. Can be stained with boiled linseed oil or a Swedish painted style finish.


  • Certified Master Composter
    UConn Master Composter Program (2018)
  • Certified Compost Apprentice
    Earth Matter NYC (2020) 
  • Co-founder of Black Rock Compost Program (2020)
  • Co-founder of Park City Compost Initiative (2021)