A trellis assembly including a first trellis section having a plurality of vertical rods connected to at least one horizontal rod and a second trellis section having a plurality of connected horizontal and vertical rods. The second trellis section includes a plurality of tubes connected to an outside of the vertical rods at upper ends thereof configured to accept lower ends of the vertical rods of the first trellis section to connect the first trellis section to the second trellis section.