🌸 Sarcochilus Kulnurra Vibrance Care Sheet (Closed Terrarium Setup)
A compact and colourful hybrid ideal for terrarium orchid lovers.
🔍 Quick Info
Type: Epiphytic orchid (Sarcochilus hybrid)
Mature Size: 10–15 cm tall
Bloom: Clusters of bright reddish-pink to magenta flowers with yellow/white highlights; blooms in spring–early summer
Growth Habit: Compact monopodial
🌡️ Temperature & Humidity
Ideal Day Temp: 22–28°C
Ideal Night Temp: 16–20°C
Humidity: 70–90%
✅ A closed terrarium naturally maintains high humidity
💨 Ensure gentle airflow (small vent or USB fan) to prevent fungal problems
💡 Light
Type: Bright, indirect light
Terrarium Placement: Near an east- or north-facing window
Artificial Light: LED grow light 10–12 hours/day if natural light is weak
⚠️ Avoid harsh midday sun—leaves scorch easily
💧 Watering
Frequency: 1–2× weekly (depending on airflow and temp)
Method: Use RO/distilled water to avoid salt buildup. Water around roots, not directly on crown
✅ Allow media to just dry at the top between waterings
❌ Do not let water pool in leaf axils
🌱 Potting & Mounting
Media: Fine bark + sphagnum moss mix OR mounted on cork with moss backing
Container: Net pot, orchid bark basket, or mounted with roots exposed inside the terrarium
🪴 Avoid deep pots – prefer shallow, airy setups
🌬️ Air Circulation
Essential, even in a closed terrarium
Add a small USB fan or occasionally open the lid
Helps prevent fungal issues and promotes gas exchange
🌸 Feeding
Type: Orchid-safe liquid fertilizer (1/4 strength)
Schedule: Every 2–3 weeks during active growth (spring/summer), less in winter
Application: Foliar feed or root drench, then flush with clean water monthly
⚠️ Terrarium Tips
Avoid soggy moss—mild moisture is enough
Trim old blooms and yellowing leaves to prevent rot
Watch for pests like fungus gnats or mealybugs
Check crown regularly – Sarcochilus can suffer crown rot in overly damp or stagnant setups
✅ Ideal For
Intermediate growers with some orchid experience
Miniature terrariums with good humidity control
Orchid collectors wanting colour and compact size