Heliamphora come from the tepui highlands of Venezuela, Guyana, and Brazil — cool, wet, bright, and nutrient-poor. Replicate that and they're steady growers.
How we grow them here: in a mix of Fluval Stratum (a mineral-rich volcanic aquarium substrate) and pumice, standing in 2–3 inches of water at all times, under bright light in a grow tent.
Light: Bright — strong artificial light or very bright shade to some direct sun. Good light keeps growth compact and brings out the red nectar spoons.
Water: Constantly wet. We keep ours standing in 2–3 inches of water because Fluval Stratum wicks it up through the pot without going sour — far lower maintenance than top-watering. Most growers pot Heliamphora in sphagnum, which holds much more moisture; in sphagnum, standing water leads to rot, so top-water and let it drain instead. Pure water only — we use RO (distilled or rain also work).
Temperature: Keep them under 80°F — sustained heat is the main killer. Days in the 70s°F are ideal. We don't force a nightly temperature drop; nights cool off naturally in winter, and the plants are fine with that.
Humidity: Less than you'd think. We don't run ours humid — they sit at ambient humidity (around 50%) and stay happy as long as they're standing in water.
Feeding: A few small insects, or a very dilute foliar orchid fertilizer misted into the pitchers monthly during active growth.
Divisions: We occasionally have divisions available — local Georgia growers, get in touch and we'll keep you posted as they establish.