Alcantarea imperialis Rubra is a large bromeliad and is best suited to tropical or subtropical climatesIn cooler climates it is best grown in containers and protected over winter months.  

This is a stunning bromeliad species native to Brazil, where it is found in the Atlantic Forest biome. It  grows as an epiphyte, attaching itself to trees but also other surfaces.

Alcantarea imperialis Rubra Growing Notes and Care

• Climate and Temperature:
  Best grown in warm temperatures between 65°F to 80°F (18°C to 27°C). It is not frost-tolerant and needs to be moved indoors if temperatures below 50°F (10°C).
  
• Soil and potting mix
  As this is naturally as an epiphytic plant, in cultivation it can be grown as a mounted specimen, however more often grown in a free-draining mix, such as a blend of orchid bark, perlite, and sphagnum moss.
  
• Sunlight:
  Alcantarea imperialis is a forest dweller, it prefers bright but indirect light. It can tolerate some direct sunlight, or be grown in dappled shade, or perhaps under shade cloth.If exposed to direct sun the leaves will scorch.
  
• Watering:
  Keep the central cup or tank of the plant filled with water, flushing it out with clean water every few weeks.. Water the growing medium when it becomes dry to the touch, but never overwater, as this can lead to root rot. 
  
  Rainwater or distilled water is best, as this helps prevent a build up of salts and chemicals that can be found in tap water
  
• Fertilizer
  Fertilize the plant every 2-3 months during the growing season with a diluted, balanced liquid fertilizer.
  
• Size:
  This bromeliad is known for its impressive size. Mature specimens can grow to be quite large, with leaves spanning several feet in length.

Maintenance and Ongoing Care Tips

• Prune away dead or damaged leaves at the base using sterile tools.
• Provide good air circulation to prevent fungal issues.
• Watch out for any indication of scale or aphids, and treat them accordingly.