"This is just such an extraordinary act of kindness from Irene," trust chief executive Wendy Huston said.
"It is such a joy to have on display at the entrance to The Lodge.
"People are constantly stopping to view and become engrossed in it, as the longer you look, the more you find.
"For example beading on the kowhai flowers which gleam as light hits.
"The planning, creativity and hours and hours of stitching that have gone into creating this piece of art is just extraordinary."
Mrs Strand took about three months to create the banner, supported by husband Graeme who was awarded honorary life membership of the trust in 2013 for his many years of service to the trust's governance board.
"I'm very proud of what I have achieved," she said.