Description
The Cattleya Rth. Nell Hammer is a hybrid orchid from the Rhyncholaeliocattleya (Rth.) group, prized for its vibrant flowers and relatively easy care compared to other orchids. Here are some key care details for this beautiful orchid:
1. Light
- Brightness: Prefers bright, indirect light.
- Ideal Light Levels: 2,000–3,000 foot-candles. A spot with filtered sunlight or an east-facing window works well.
- Signs of Proper Light: Leaves should be a medium green. Dark green leaves indicate insufficient light, while yellowing or red tones suggest too much direct sun.
2. Temperature
- Daytime: 70–85°F (21–29°C).
- Nighttime: 55–65°F (13–18°C).
- Ensure a 10–15°F (5–8°C) drop in temperature between day and night to encourage flowering.
3. Humidity
- Maintain humidity levels between 50–70%.
- Use a humidity tray or mist the plant occasionally, especially in drier climates or during winter.
4. Watering
- Allow the potting medium to dry out slightly between waterings. Do not let it sit in water.
- Typically, water every 5–7 days during active growth (spring and summer) and reduce watering in the winter.
- Use lukewarm, distilled, or rainwater to avoid salt buildup.
5. Potting Medium
- Use a well-draining mix, such as a combination of bark, perlite, and charcoal.
- Repot every 2–3 years or when the potting mix starts breaking down.
6. Fertilizer
- Feed with a balanced orchid fertilizer (e.g., 20-20-20 or 10-10-10) diluted to half strength.
- Fertilize every two weeks during the growing season and once a month in the winter.
7. Airflow
- Good air circulation is essential to prevent fungal and bacterial diseases.
- Place a small fan nearby if growing indoors.
8. Flowering
- Cattleya orchids, including hybrids like Rth. Nell Hammer, typically bloom once or twice a year.
- Provide consistent care and light to encourage blooming.
- After blooming, cut back the spent flower spike and resume normal care.
9. Pests and Diseases
- Common Pests: Watch for mealybugs, aphids, and spider mites. Treat infestations with insecticidal soap or neem oil.
- Diseases: Avoid overwatering to prevent root rot or fungal infections.
10. Rest Period
- After blooming, the orchid may enter a resting phase. During this time, reduce watering and fertilizer, and let the plant recover.
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