Olana garden tour. Join Olana’s Master Gardener. Mary Hughes walks through The Mingled Flower Garden. She will offer tips and tricks of caring for your own garden. Ms. Hughes will reference historical information about Olana’s Mingled Garden. She will share information regarding the species, issues of light, climate, and soil. If your thinking of visiting the mid-Hudson valley check out Sutter’s events page for things to do in and around Hudson, NY.