San Francisco Orchid Society
Orchid Doctor
Ask the Orchid Doctor
Is your orchid ailing? Not blooming? Showing mysterious spots or wilting leaves? The SFOS Orchid Doctor is here to help. Our experienced members can diagnose common orchid problems and guide you toward a solution — whether you're a first-time grower or a seasoned collector.
You can also bring your plants to our monthly meetings for in-person advice from our knowledgeable members and guest speakers.
Send Your Question
Email a photo and description of your orchid's symptoms to our Orchid Doctor. Include the genus/species if known, your growing conditions, and how long the problem has been present.
[email protected]Topics We Can Help With
Watering & Humidity
How often to water, signs of over- and under-watering, humidity requirements for different genera.
Light & Temperature
Understanding light requirements, seasonal adjustments, and temperature ranges for healthy growth.
Potting & Media
When and how to repot, choosing the right potting mix, bark vs. moss vs. mounted culture.
Fertilizing
Fertilizer schedules, NPK ratios, flushing salts, and organic vs. synthetic options.
Pests & Diseases
Identifying and treating spider mites, scale, mealybugs, fungal infections, and bacterial rot.
Blooming & Reblooming
Triggering spikes, seasonal cues, and why your orchid isn't blooming.
Additional Resources
- AOS Culture Sheets— genus-specific care guides
- Sue Bottom's Orchid Culture Guides— pests, diseases & more
- SFOS Orchid Resources Page— curated links for growers
Come to a Meeting
Get in-person advice from experienced growers at our monthly meetings every first Tuesday.
View Meeting Schedule