Successful cultivation of Maxillaria grandiflora. Here are some important cultural tips to ensure its thriving growth:

• Light: prefers bright, indirect light. Avoid direct sunlight, which can scorch the leaves.
• Temperature: This orchid enjoys intermediate to cool temperatures. Daytime temperatures should be between 18-24°C (65-75°F), and nighttime between 10-16°C (50-60°F).
• Humidity: thrives in high humidity, around 60-80%. You can achieve this by using humidifiers, misting frequently, or growing it in a humid environment.
• Watering: Water regularly, allowing the potting mix to dry slightly between waterings. Ensure proper drainage.

Additional Notes:

• It is an epiphytic or rupicolous orchid, meaning it naturally grows on trees or rocks.
  
• This orchid blooms in the late spring and early summer.
• This species has fragrant flowers.