Growli
Let's go

Plant care

Sleeping Beauty Cymbidium care

Cymbidium 'Sleeping Beauty'

Also called Sleeping Beauty Cymbidium.

RHS H2USDA 9-11Pet-safeIndoor 50–80 cm tall

Watering rhythm

5-7days

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

Jump to schedule→Get smart reminders in the app

Light

Bright indirect light (just back from a sunny window)

Soil

Medium-grade fir bark orchid compost

Humidity

50–70%

Temp

10–24°C; cool nights of 8–12°C in autumn required for spike induction

Pet safety

Pet-safe

Mature size

50–80 cm tall

Care at a glance

Light

Bright but filtered. Sleeping Beauty Cymbidium burns within days in unfiltered south-facing summer sun, and stops growing within months in deep shade. Provide very bright, filtered light — 2,000–3,500 foot-candles is ideal. Outdoors in dappled shade over summer encourages pseudobulb development. Indoors, a bright south or west window with sheer curtain protection prevents leaf scorch while maximising photosynthesis. If you only have a south window, set the plant back 1.5 m or hang a sheer curtain — both knock the intensity down into the right range.

Watering

Watering sleeping beauty cymbidium: every 5–7 days during active growth; reduce to every 10–14 days in autumn–winter. The number that matters isn't the day of the week — it's how dry the top 2-3 cm of the pot feels. A finger in the soil tells you more than a watering app. After every watering, tip the saucer. Water generously throughout spring and summer, allowing the bark surface to partially dry between waterings. Reduce from October through mid-winter to trigger spike initiation. Never allow roots to sit in water. Use rainwater or filtered water to avoid fluoride and chlorine tip burn.

Soil and pot

Sleeping Beauty Cymbidium grows best in medium-grade fir bark orchid compost. Standard commercial Cymbidium compost (fir bark, perlite, grit) is ideal. Ensure the pot has ample drainage holes. Repot every 2 years or when root-bound, in spring after flowering finishes. 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

Sleeping Beauty Cymbidium sits happiest at around 50–70% humidity and 10–24°C; cool nights of 8–12°C in autumn required for spike induction (50–75°F; cool autumn nights of 46–54°F required for spike induction). Moderate to high humidity is beneficial, especially when grown indoors under central heating. Use a pebble tray with water or a room humidifier near the plant. Ensure good airflow to reduce risk of botrytis on the large, showy flowers. If you keep the room above 10–24°C; cool nights of 8–12°C in autumn required for spike induction 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 sleeping beauty cymbidium sparingly. Feed every 2 weeks at quarter strength with a balanced orchid fertiliser (e.g., 20-20-20) from spring through late summer. Switch to a high-potassium feed (e.g., Tomorite or orchid bloom booster) from August to October to ripen pseudobulbs. Stop feeding during winter. 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 sleeping beauty cymbidium in the Growli community. Each is annotated with the most common cause so you know where to start.

  • No flower spikes produced — The most common issue with hybrid Cymbidiums indoors. Plants must experience a significant cool period — nights consistently below 12°C (54°F) for 6–8 weeks from September. In warm climates, placing plants in an unheated garage or porch at night during autumn is the most reliable solution.
  • Botrytis (grey mould) on flowers — Soft, water-soaked brown spots on blooms indicate Botrytis cinerea, promoted by high humidity combined with still air. Improve ventilation around flowers, avoid wetting blooms when watering, and remove affected flowers promptly. Apply a copper-based fungicide to the plant (not open flowers) if infection is persistent.
  • Yellowing lower leaves — The loss of the oldest 1–2 leaves each year is normal. However, widespread yellowing suggests overwatering, root rot, or severely low light. Check roots, reduce watering frequency, and move to a brighter position.

Propagation

Divide large clumps when repotting after flowering, ensuring each division has at least 3–4 healthy pseudobulbs. Backbulbs removed during division can be potted in moist moss to generate new growth, though this is slow with hybrids. 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

Sleeping Beauty Cymbidium is pet-safe. Cymbidium orchids, including hybrid cultivars, are listed by the ASPCA as non-toxic to dogs and cats. 'Sleeping Beauty' is a Cymbidium hybrid and carries no documented toxic compounds. 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.

Sleeping Beauty Cymbidium care — frequently asked questions

What is Sleeping Beauty Cymbidium?

Sleeping Beauty Cymbidium (Cymbidium 'Sleeping Beauty') is a flowering plant with a sympodial epiphytic hybrid forming clustered, egg-shaped pseudobulbs with 5–7 strap-like, arching leaves. flower spikes are upright to arching, bearing 8–15 large, well-spaced blooms per spike. growth habit, reaching 50–80 cm tall; flower spikes 60–100 cm at maturity. Cymbidium 'Sleeping Beauty' is a florist-grade cool-growing hybrid orchid producing elegant spikes of large, blush-pink to soft rose flowers with a delicately marked lip, typically blooming in late winter to early spring. Like all cool-intermediate Cymbidium hybrids, it requires bright light, careful seasonal temperature management, and a cool autumn rest to produce its showstopping floral display.

How much light does sleeping beauty cymbidium need?

Sleeping Beauty Cymbidium grows best in bright indirect light (just back from a sunny window). Provide very bright, filtered light — 2,000–3,500 foot-candles is ideal. Outdoors in dappled shade over summer encourages pseudobulb development. Indoors, a bright south or west window with sheer curtain protection prevents leaf scorch while maximising photosynthesis.

How often should I water sleeping beauty cymbidium?

Water sleeping beauty cymbidium every 5–7 days during active growth; reduce to every 10–14 days in autumn–winter. Water generously throughout spring and summer, allowing the bark surface to partially dry between waterings. Reduce from October through mid-winter to trigger spike initiation. Never allow roots to sit in water. Use rainwater or filtered water to avoid fluoride and chlorine tip burn. 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 sleeping beauty cymbidium toxic to cats and dogs?

Sleeping Beauty Cymbidium is pet-safe. Cymbidium orchids, including hybrid cultivars, are listed by the ASPCA as non-toxic to dogs and cats. 'Sleeping Beauty' is a Cymbidium hybrid and carries no documented toxic compounds.

What USDA hardiness zone does sleeping beauty cymbidium grow in?

Sleeping Beauty Cymbidium is rated for USDA zone 9-11 and RHS hardiness H2. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Sleeping Beauty Cymbidium deep-dive guides

Every aspect of sleeping beauty cymbidium care, each with its own calibrated guide:

Featured in these plant shortlists

Sleeping Beauty Cymbidium qualifies for 11 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

Related guides

Sleeping Beauty Cymbidium is also commonly called Sleeping Beauty Cymbidium.