Orchid blooms typically last between 6 to 12 weeks (about 1.5 to 3 months), depending on the species and care conditions. For example, Phalaenopsis orchids, one of the most common types, usually have blooms that last around 2 to 3 months

. Some orchids can even keep their blooms for longer periods, with reports of blooms lasting up to 6 months or more under optimal care

. The longevity of orchid blooms depends heavily on factors such as light, humidity, watering, and overall plant health. Proper care can extend the bloom duration and encourage the plant to rebloom multiple times a year, sometimes twice or more annually, for many years

. In summary:

• Average bloom duration: 6 to 12 weeks (1.5 to 3 months)
• Some orchids (especially well-cared-for Phalaenopsis) can bloom for 6 months or longer
• Bloom longevity depends on species, environment, and care quality
• Orchids can rebloom every 8 to 12 months, sometimes sooner with good care

This makes orchids prized for their long-lasting and often repeat blooming flowers indoors.