Home / All Other Plants over $5 / Biophytum sp. "rob's violet barn" [non-exact]
Biophytum sp. "rob's violet barn" [non-exact]
GenusBiophytumPlant GroupOtherGrowth HabitRosetteSetupTerrariumDifficultyIntermediate
$34.00
1
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Care information

These plants close/fold up at night! They'll arrive to you closed, and once acclimated will open up again. Do not be alarmed.

This species gets large! Not exceptionally tall, but they will hit 8-12 inches in diameter from leaf tip to leaf tip.

This plant requires high humidity, and is suited for growth in terrariums. Can handle stagnant air/higher moisture conditions inside terrariums, and is fairly easy to grow. I've grown these inside unvented, sealed gallon jars just fine, although they grow the fastest inside larger terrariums with better airflow. Should not be kept at <60%RH conditions except through very careful acclimation. ✅ Ships semi-bare root. Good airflow helpful but not necessary High humidity Keep roots wetted at all times 70°F to 90°F is the likely sweet spot for good growth Medium/low light Well drained potting media Clay/organic/mixed substrates. Promix HP is my media of choice for this plant currently.

Plant Details
Airflow
Low — Specifically suited for sealed, stagnant environments. These plants do not require active ventilation or fans to prevent bacterial or fungal "melt."
Family
Oxalidaceae
Growth strategy
Terrestrial
Humidity
80–100% — The "Sweet Spot" for most rare tropicals and shinglers. This high-saturation environment is essential for aerial root attachment to hardscape and ensures that delicate foliage maintains its turgidity and sheen.
Lighting
Moderate — Prefers bright, filtered, or indirect light. This is the "sweet spot" for most terrarium species; however, direct sun or high-intensity LEDs will scorch delicate juvenile leaves.
PH
5.5–6.5 — Acidic (Optimal): The “Goldilocks” zone for most tropical terrarium plants, including Marcgravia. This range ensures maximum nutrient availability and mimics the natural decomposition of leaf litter on the rainforest floor.
Sales form
Rooted
Size
Small
Temperature
70–85°F — Standard Tropical Range. This mirrors the natural understory of the rainforest, providing enough warmth for vigorous growth while remaining safe from the extreme heat that can bake a closed glass enclosure.
Watering substrate
Damp — These plants love high moisture levels; the substrate should stay wet to the touch at all times but should not be sitting in a stagnant, waterlogged state.