Harper makes a reference to "The Green Hills of Earth," which is a short story in the "Future History" of Robert A. Heinlein, as well as a collection of such short stories, and a song that plays a key part in that story and is mentioned often in many others of the Future History.
This is the second time Beka kisses Dylan; in both cases, she does it to make another person jealous.
Beka meets Layden at the Valley Forge Gardens. The location used for this scene, and other scenes in the first season, is the Bloedel Floral Conservatory in Vancouver.
Regarding episode title...... The first lines of a poem of the same name by R. B. Sheridan: "Had I a heart for falsehood framed, I ne'er could injure you; For though your tongue no promise claimed, Your charms would make me true."