Phalaenopsis gigantea

Also known as: The Gigantic Phalaenopsis or Phalaenopsis gigantea var. decolorata Phalaenopsis gigantea var. aurea Phalaenopsis gigantea f. decolorata Phalaenopsis gigantea h.f. flava Phalaenopsis gigantea h.f. alba in the subfamily: Epidendroideae

General Information

The Gigantic Phalaenopsis is a large monopodial warm to hot growing epiphytic orchid belonging to the sub family Epidendroideae. The name refers to the large leaves.

Plant Description

Monopodial. Each new growth has numerous leathery elliptic leaves that grow to 25-91cm long

Flowers

Numerous fragrant blossoms appear

Fragrance

The orchid is fragrant.

Substrate(s)

• Coarse
• Bark
• Spaghnum Moss

Care Notes

These orchids like to be watered regulary, especially during warm weather, and prefer a well draining mix or also do well mounted, provided they can be watered daily or even many times a day.

These are quite a forgiving orchid, there are no special requirements to get this orchid to flower, just good care and consistent conditions. Larger plants may be more fussy and can react poorly to change; a poorly timed repotting, a pest infection or an unusually hot day can set them back for a couple of years. However, even plants that have been treated poorly can thrive, and if they are set back they often recover much stronger then they would otherwise be.

Fragrant:

• IsFragrant

Climate

Grows at low to high elevations. Rainfall ranges from 165mm to 389mm per day, heaviest in November and lightest in July. Humidity ranges from 79% to 87%, highest in October and lowest in July. Temperature ranges from 22C to 31C, highest in May (23C to 31C) and lowest in January (22C to 29C).

Watering

These orchids prefer a wet-dry cycle between waterings, they should be watered frequently but only when the moisture is approaching dryness, where the pot feels light and/or the media looks dry. Keep an eye on mounted orchids in warm weather as they may dehydrate quickly.

Fertiliser

These orchids do not need to be regularly fertilised and roots may be sensitive to salt build-up, dying back and therefore impairing the plants growth or even killing it.

If fertilising, use half to quarter of the recommended amount of fertiliser. If they receive fertiliser as part of a collection, be sure to flush out the pots regularly with fresh water and monitor the roots by checking how much resistance is given by the plant when nudged in its pot or mount. If the plant becomes wobbly or loose, repot in fresh mix or rinse the media/mount thoroughly and do not fertilise for at least 3 months.

Apply fertiliser regularly at half strength during Summer.

Potting

These plants are quite forgiving and will do well repotted ever 2-3 years. The mix should be coarse, well draining, and allow space for air to move and for roots to grow. 

Alternatively, these plants will also do well mounted to tree fern or cork slabs, or mounted to trees.

Best time for repotting or mounting the orchids is the end of winter when new growths start to appear. Avoid repotting during hot weather,

Repotting is best done annually.