In the 1970s, after the garden was severely damaged by floods, a donation from the Devonian Foundation, along with funds raised by the Friends of the Garden, helped to repair the damage, create a system of canals and ponds, construct a headquarters building, and purchase more land.

It was designed by the architectural firm Nelson Byrd Woltz Landscape Architects.

[9][10] In September 2017, it invested $4.9 million to renovate its front entrance and parking lot.

They are linked to the North Saskatchewan River via the Parkland County trail.

A fully digitized herbarium contains a large collection of bryophyte specimens that is used for research and teaching, as well as horticultural plants grown at the garden.