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Spathoglottis plicata (Philippine Ground Orchid) care

Spathoglottis plicata

Also called Philippine Ground Orchid, Pleated Spathoglottis, Large Purple Orchid.

RHS H1bUSDA 10-12Pet-safeIndoor Foliage clumps 60-90 cm tall

Watering rhythm

3-5days

When the top 2-3 cm of mix begins to dry, roughly every 3-5 days in warmth

Light

Bright indirect light (just back from a sunny window)

Soil

Rich, well-drained terrestrial orchid mix

Humidity

60-70%

Temp

18-32°C

Pet safety

Pet-safe

Mature size

Foliage clumps 60-90 cm tall

Care at a glance

Light

In the wild spathoglottis plicata grows on the bright edge of a forest canopy, not in the canopy and not in the open. Indoors, that translates to within a metre of an unobstructed window, sheer curtain optional. Partial shade to bright filtered light is ideal; it tolerates some gentle direct sun but harsh midday sun bleaches and burns the soft leaves. Dappled light, as under high tree cover, gives the best flowering. The fastest test: a hand held at the leaf casts a soft-edged shadow at noon — sharp shadow means too much sun, no shadow means too little light.

Watering

Aim for when the top 2-3 cm of mix begins to dry, roughly every 3-5 days in warmth for spathoglottis plicata, but treat that as a starting point rather than a rule. A south-facing summer windowsill will dry the pot twice as fast as a north-facing winter room. Lift the pot; if it feels noticeably lighter than it did wet, water it. Keep the medium lightly and evenly moist during active growth; it is not drought-tolerant. Reduce slightly in cooler weather, and always avoid waterlogging, which rots the pseudobulbs.

Soil and pot

Spathoglottis plicata grows best in rich, well-drained terrestrial orchid mix. Use a free-draining blend of fine bark, perlite, coarse sand and some compost or coir. Set the plant with the top of the pseudobulb above soil level. Good drainage with steady moisture is the goal. A pot with a working drainage hole is non-negotiable for this species — even free-draining mix will turn soggy in a closed planter. If you love the look of a decorative pot without a hole, use it as a cachepot around an inner nursery pot you can lift out to water.

Humidity and temperature

Spathoglottis plicata sits happiest at around 60-70% humidity and 18-32°C (65-90°F). High humidity around 60-70% promotes lush growth and continuous flowering, though it adapts to average garden humidity in warm climates. Pair with airflow to avoid fungal leaf spots. If you keep the room above 18 year-round and avoid placing the plant near a cold draught, a hot radiator, or an air-conditioning vent, you have already handled the two biggest indoor stressors.

Fertilising

Feed spathoglottis plicata sparingly. A vigorous feeder. Apply a balanced liquid orchid or general fertiliser at half strength every 1-2 weeks in active growth, or use a slow-release granular feed. Higher nitrogen supports leafy growth; ease off feeding in cooler months. Skip fertiliser entirely on a stressed, recently-repotted, or actively wilting plant — fertiliser salts make damage worse, not better. Wait for a round of healthy new growth before resuming a feeding rhythm.

Common problems

Below are the issues we see most often on spathoglottis plicata in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Pseudobulb rotBurying the bulbs or waterlogged mix causes rot. Plant with the bulb top exposed and use a free-draining medium.
  • Leaf-spotting fungusWarm, wet, stagnant air brings black or brown leaf spots. Improve airflow, avoid wetting foliage late in the day and remove affected leaves.
  • Sun scorchDirect midday sun bleaches and burns the soft pleated leaves. Move to partial shade or filtered light.
  • Snails and caterpillarsAs a ground orchid it is grazed by snails, slugs and caterpillars that chew leaves and spikes. Inspect at night and use barriers or appropriate controls.

Propagation

Easily propagated by division of the clump, separating sections each with several pseudobulbs and roots, ideally as new growth starts. It also self-sows readily from dust-like seed in warm humid conditions and can be raised from flask. Propagation is the cheapest, most satisfying way to expand a collection — and it doubles as insurance against losing a mature plant to an accident. Take a backup cutting once the parent is established and healthy.

Toxicity to pets

Spathoglottis plicata is pet-safe. Spathoglottis is not individually listed by the ASPCA, but the orchid family is broadly regarded as non-toxic and the ASPCA lists representative orchids (Phalaenopsis, Oncidium, Cattleya) as non-toxic to cats and dogs. No toxic principle is known. Ingestion may at most cause mild stomach upset; verify with a vet if your pet has a sensitive history. If you keep cats, dogs, or curious children in the house, weigh placement carefully — a high shelf or a hanging planter is enough for casual safety. For severe ingestion incidents, call your local vet and the ASPCA Animal Poison Control Center (in the US, 888-426-4435).

Pet-safety status is sourced from the ASPCA Toxic and Non-Toxic Plant List, which catalogues the most-asked-about plants for cats, dogs, and horses.

Spathoglottis plicata care — frequently asked questions

What is the common name for Spathoglottis plicata?

Spathoglottis plicata is most commonly called Spathoglottis plicata, but it is also known as Philippine Ground Orchid, Pleated Spathoglottis, Large Purple Orchid. The names refer to the same species, so care instructions for Spathoglottis plicata apply identically to anything sold as Philippine Ground Orchid.

How much light does spathoglottis plicata need?

Spathoglottis plicata grows best in bright indirect light (just back from a sunny window). Partial shade to bright filtered light is ideal; it tolerates some gentle direct sun but harsh midday sun bleaches and burns the soft leaves. Dappled light, as under high tree cover, gives the best flowering.

How often should I water spathoglottis plicata?

Water spathoglottis plicata when the top 2-3 cm of mix begins to dry, roughly every 3-5 days in warmth. Keep the medium lightly and evenly moist during active growth; it is not drought-tolerant. Reduce slightly in cooler weather, and always avoid waterlogging, which rots the pseudobulbs. The finger-test (or lifting the pot to feel its weight) beats a fixed weekly calendar because pot size, light, and season all change how fast the soil dries.

Is spathoglottis plicata toxic to cats and dogs?

Spathoglottis plicata is pet-safe. Spathoglottis is not individually listed by the ASPCA, but the orchid family is broadly regarded as non-toxic and the ASPCA lists representative orchids (Phalaenopsis, Oncidium, Cattleya) as non-toxic to cats and dogs. No toxic principle is known. Ingestion may at most cause mild stomach upset; verify with a vet if your pet has a sensitive history.

What USDA hardiness zone does spathoglottis plicata grow in?

Spathoglottis plicata is rated for USDA zone 10-12 (outdoors in frost-free regions; indoor/greenhouse elsewhere) and RHS hardiness H1b. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Spathoglottis plicata deep-dive guides

Every aspect of spathoglottis plicata care, each with its own calibrated guide:

Featured in these plant shortlists

Spathoglottis plicata qualifies for 8 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

Related guides

Spathoglottis plicata is also known as Philippine Ground Orchid, Pleated Spathoglottis, and Large Purple Orchid.