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Plant care

Skinner's Cattleya (National Flower of Costa Rica) care

Cattleya skinneri

Also called Skinner's Cattleya, National Flower of Costa Rica, Guaria Morada.

RHS H1bUSDA 10-12Pet-safeIndoor 30–45 cm tall

Watering rhythm

5-7days

Every 5–7 days in growth; reduce to every 10–14 days in winter

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Light

Bright indirect light (just back from a sunny window)

Soil

Medium-grade bark orchid mix

Humidity

50–70%

Temp

12–30°C

Pet safety

Pet-safe

Mature size

30–45 cm tall

Care at a glance

Light

In the wild skinner's cattleya 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. Requires bright indirect light — a south- or west-facing windowsill with some shading of direct summer sun. More tolerant of slightly lower light than many unifoliate cattleyas, but still needs 2,000–3,500 foot-candles for reliable flowering. Yellowing pseudobulbs with red pigment indicate too much direct sun. 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 every 5–7 days in growth; reduce to every 10–14 days in winter for skinner's cattleya, 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. Water thoroughly and allow the medium to dry out significantly between waterings. This species is somewhat more tolerant of brief wet conditions than other cattleyas but still susceptible to root rot if kept wet. Use tepid rainwater or reverse-osmosis water where possible.

Soil and pot

Skinner's Cattleya grows best in medium-grade bark orchid mix. A medium-grade bark mix with added charcoal and perlite suits this bifoliate species. It tolerates slightly more moisture retention than coarser mixes. Clay pots with multiple drainage holes help roots dry between waterings. Repot every 2–3 years in fresh medium. 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

Skinner's Cattleya sits happiest at around 50–70% humidity and 12–30°C (54–86°F). Comfortable with moderate humidity similar to typical indoor environments. Good air movement prevents fungal problems. In dry centrally-heated rooms, a humidity tray or humidifier helps maintain adequate moisture around the foliage and aerial roots. If you keep the room above 12–30°C 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 skinner's cattleya sparingly. Feed every 2 weeks with a balanced orchid fertiliser (20-20-20) at half-strength during active growth. Switch to a high-phosphorus formula (10-30-20) in late summer to promote spring flowering. Reduce feeding to monthly during the cooler winter rest period. 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 skinner's cattleya in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Mealybugs — White cottony clusters in leaf axils, between pseudobulbs, and at the base of the plant signal mealybug infestation. Treat by dabbing individual insects with isopropyl alcohol on a cotton swab and follow up with neem oil spray every 7–10 days for a month.
  • Root die-back from repotting shock — Roots may die back after repotting if the new medium is too wet or the plant is moved to very different light. Keep the plant slightly drier for the first 3–4 weeks after repotting and provide stable conditions to encourage new root growth.
  • Premature flower drop — Flowers open fully then drop within days due to cold draughts, ethylene gas, or very low humidity. Ensure temperatures remain stable (above 12°C) when in flower, avoid placing near ripening fruit, and maintain humidity above 50%.

Propagation

Divide established plants at repotting into clumps of 3–4 pseudobulbs. Sterilise all cutting tools between plants. New plants may also be started from back-bulbs laid on barely moist sphagnum, though this is slow. Division just after flowering is the most reliable method. 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

Skinner's Cattleya is pet-safe. Cattleya orchids are listed by the ASPCA as non-toxic to dogs and cats. Cattleya skinneri has no known toxic principles and is safe in homes with pets. 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.

Skinner's Cattleya care — frequently asked questions

What is the common name for Cattleya skinneri?

Cattleya skinneri is most commonly called Skinner's Cattleya, but it is also known as Skinner's Cattleya, National Flower of Costa Rica, Guaria Morada. The names refer to the same species, so care instructions for Skinner's Cattleya apply identically to anything sold as National Flower of Costa Rica.

How much light does skinner's cattleya need?

Skinner's Cattleya grows best in bright indirect light (just back from a sunny window). Requires bright indirect light — a south- or west-facing windowsill with some shading of direct summer sun. More tolerant of slightly lower light than many unifoliate cattleyas, but still needs 2,000–3,500 foot-candles for reliable flowering. Yellowing pseudobulbs with red pigment indicate too much direct sun.

How often should I water skinner's cattleya?

Water skinner's cattleya every 5–7 days in growth; reduce to every 10–14 days in winter. Water thoroughly and allow the medium to dry out significantly between waterings. This species is somewhat more tolerant of brief wet conditions than other cattleyas but still susceptible to root rot if kept wet. Use tepid rainwater or reverse-osmosis water where possible. 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 skinner's cattleya toxic to cats and dogs?

Skinner's Cattleya is pet-safe. Cattleya orchids are listed by the ASPCA as non-toxic to dogs and cats. Cattleya skinneri has no known toxic principles and is safe in homes with pets.

What USDA hardiness zone does skinner's cattleya grow in?

Skinner's Cattleya is rated for USDA zone 10-12 and RHS hardiness H1b. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Skinner's Cattleya deep-dive guides

Every aspect of skinner's cattleya care, each with its own calibrated guide:

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Skinner's Cattleya 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

Skinner's Cattleya is also known as Skinner's Cattleya, National Flower of Costa Rica, and Guaria Morada.