The list
Things that vine.
For a high shelf, the top of a cabinet, a hook by the window. All of these root from cuttings in a glass of water, so one becomes several.
The fastest. Six feet in a couple of years.
Slower and whiter. Needs a window.
Smaller, darker leaves. Very forgiving.
Hoya$29
Slow, waxy, and it flowers once it’s crowded.
TradescantiaNot on a PILF shelf
Purple and silver, grows like a weed, gets scruffy after a year. Cut it back and re-root it.
String of HeartsNot on a PILF shelf
Thin trailing threads with heart-shaped leaves. Wants a bright window and very little water.
Grades and light numbers follow the PILF Scale. “Not on a PILF shelf” means any plant shop has it — buy it there, and use the scale to know what you’re getting into.