advancedrareVanda
Merrill's Vanda
Vanda merrillii
Glossy waxy flowers in deep red over yellow, endemic to the Philippines.
Bloomsredyellow
Sign in to addWaterhigh
Daily water and misting
Lighthigh
Very bright light, near full sun
Foodmedium
Weekly weak fertilizer
Temp
70-95°F
Humidity
60-80%
Origin
Philippines
Special care:Hot grower, needs strong air movement
About Merrill's Vanda
Researching Merrill's Vanda…
Care guide
Potting medium
Best grown bare-root in open wooden baskets — no medium.
Repotting
Rarely; only the basket when it rots.
Bloom season
Multiple times per year in warm conditions.
Bloom longevity
3–6 weeks per spike.
Growth habit
Monopodial with thick aerial roots that photosynthesize.
Propagation
Top cuttings with aerial roots; allow to callus before remounting.
Pests & prevention
Thrips on flowers, spider mites in low humidity.
Signs of trouble
- ●Silver-grey roots not turning green when watered → underwatered
- ●Yellow leaf tips → fertilizer salt buildup; flush monthly
Grower's tips
- ★Soak the entire root mass for 15 minutes every morning in summer.
- ★Vandas crave the brightest indoor light you can give them, just shy of leaf burn.
