Phalaenopsis stuartiana

Taxonomy

Phalaenopsis stuartiana is a medium-sized, evergreen, epiphytic orchid endemic to the island of Mindanao in the Philippines. Its semi-pendant, broadly-oval, mid-green fleshy leaves are mottled grey-green above and purple underneath, measuring up to 35cm long and 5-9cm wide. During winter and spring, this orchid produces branching racemes up to 1m long, adorned with numerous white flowers that are 8cm in size. These flowers feature yellow marks and brown-red spots on the lower sepals and lip. In optimal conditions, Phalaenopsis stuartiana can produce up to a hundred long-lasting flowers. If mounted, the plant will develop a more pendulous habit. The name Phalaenopsis is derived from the Greek word 'phalaina', meaning moth, reflecting the resemblance of its flowers to moth or butterfly wings. Once the flowers have bloomed and eventually died, the plant will continue to produce new flower spikes throughout its life. Orchid flowers have evolved to attract pollinators, and their unique shape provides a safe haven for insects while facilitating pollen collection and dispersal.

How to care for Phalaenopsis stuartiana

Water

Phalaenopsis stuartiana should be watered regularly, allowing the soil to dry out between waterings.

Soil

Phalaenopsis stuartiana loves a well-draining soil. Perlite and vermiculite help with drainage, while coco coir adds organic matter, so a good potting soil mix will have all three. You can improve store-bought soil by adding some perlite to it.

Lighting

To ensure optimal growth, the Phalaenopsis stuartiana prefers bright indirect light for 6-8 hours each day. Insufficient light can result in slow growth and leaf drop, so it's important to find a well-lit location for this plant. Place it near a window, within a distance of 1 meter (3 feet), to enhance its potential for thriving.

Toxicity

No verified data on the toxicity of this plant exists within Ploi's records. Should you, someone in your family, or your pet ingest plant material with an unknown toxicity level, it is recommended to seek medical advice.

Humidity

The Phalaenopsis stuartiana does not demand additional humidity levels. Water is mostly absorbed by the roots of plants, rather than their leaves, and the best way to provide humidity to your plants is through watering the soil.

Fertilizer

Once the Phalaenopsis stuartiana has doubled in size or after a year has passed, it should be moved to a new pot. By replacing the soil with fresh potting soil containing all the vital nutrients, your plant will receive all the sustenance it needs, negating the requirement for fertilizer. It's important to remember that plants get their energy from the sun, not fertilizer.

Region of origin

Phalaenopsis stuartiana’s native range is Southeast Asia and Australia.


More info:
Wikipedia