The best gift of all for your gardening and design friends ... a gift certificate membership to the garden of your choice. And some gardens -- like the Huntington in California and the Pennsylvania Hort in Philadelphia -- will combine the membership with tickets to flower shows, teas ... check out the offerings.
From The Huntington Gift Shop:
Japanese Garden Magnet Set
To remind you, year-round, that this garden is one of the country's oldest and most treasured Japanese gardens. And to remind you to plan a trip, if you haven't seen it already. Four magnets, 2x3" each.
iPhone 5 Cover
For the true garden aficionado, inspired by Golden Lily, a design by British artiest John Henry Dearle. Clear plastic ase about 2.5 x 5 inches, with the printed image on a thick paper insert.
From the Garden Shop at the Chicago Botanic: