Types of orchids — 12 popular varieties for indoor growers

Types of orchids — 12 popular varieties for indoor growers

Orchids are the second-largest plant family on Earth — roughly 28,000 accepted species split across around 760 genera — but only a tight handful ever shows up in US garden centers, supermarkets, and big-box retailers. This guide covers the 12 types of orchids you will actually meet, with the ID cues that separate them, the care signal each one wants, and the price range you should expect to pay. We grouped the list using the same categories the American Orchid Society uses on its culture sheets, so the names line up with the labels you see on plant tags.

Match an orchid to your window: Photograph your spot in Growli and we measure the light level — then rank the orchid types most likely to rebloom for that exposure.

How we group the 12 types

Orchids split into two big growth habits that drive nearly every care decision.

1. Monopodial orchids grow from a single upward stem and produce new leaves at the top — Phalaenopsis, Vanda. No pseudobulbs, so they rely on their leaves and roots for water storage and dry out faster.
2. Sympodial orchids grow horizontally along a rhizome and produce pseudobulbs (swollen storage stems) — Cattleya, Dendrobium, Oncidium, Cymbidium, Paphiopedilum, Brassia, Miltoniopsis, Zygopetalum. The pseudobulbs buffer dry spells.

Light tolerance maps roughly onto leaf shape. Strap-leaved orchids in the Phalaenopsis and Paphiopedilum camp tolerate lower indoor light. Pencil-leaved Vanda and Brassia want serious brightness. Pseudobulb species sit in the middle. Once you know the habit and the leaf, you have already narrowed care to two or three rules.

The 12 types of orchids you will meet in retail

1. Moth orchid — Phalaenopsis spp.

The orchid you find at every supermarket, Costco, Trader Joe's, and Home Depot in the US. Long-lasting white, pink, purple, yellow, or spotted blooms on tall arching spikes. Strap-shaped fleshy leaves with no pseudobulbs. The American Orchid Society notes Phalaenopsis are the easiest orchids to grow under home conditions and rank among the longest-lasting flowers in floriculture — single blooms commonly hold three months or more.

Care signal: Bright indirect light (east window ideal), water weekly when potting bark feels dry.

Price (US, 2026): Trader Joe's runs around $12.99 for a single-spike Phalaenopsis. Costco typically lists multi-spike specimens between $17.99 and $24.99. Specialty growers ask $40+ for novelty hybrids and multifloral peloric forms.

Pet safety: ASPCA lists Phalaenopsis orchid as Non-Toxic to Dogs, Non-Toxic to Cats, Non-Toxic to Horses.

Cross-link: see our dedicated orchid care guide and /plant-care/orchid.

2. Dendrobium — Dendrobium spp.

A huge genus with roughly 1,800 species. The Dendrobium types you actually see in US retail are mostly two groups — Phalaenopsis-type Dendrobiums (den-phals, with upright sprays of round flowers that look like a Phalaenopsis bloom on a cane) and the nobile Dendrobiums (drooping clusters along the cane). The American Orchid Society calls den-phals "among the easiest of orchids to grow under most conditions" — they reward beginners with vivid long-lasting sprays.

Care signal: Bright indirect to filtered direct light, water when the cane base feels dry; nobile types need a cool dry winter rest to bloom.

Pet safety: ASPCA does not separately list Dendrobium, but the closely related Phalaenopsis is confirmed non-toxic and Dendrobium is generally considered safe by ASPCA-derived pet-safe lists. Confirm with your vet if your pet chews plants.

Cross-link: /plant-care/orchid-dendrobium.

3. Cattleya — Cattleya spp.

The corsage orchid. Large, ruffled, fragrant blooms in lavender, white, yellow, and bicolor — the orchid grandparents wore. Sympodial with plump round pseudobulbs and one or two thick leaves per bulb. Wants more light than Phalaenopsis: a south or west window will keep it happy. Mature Cattleyas typically flower once or twice a year for two to four weeks per bloom.

Care signal: Bright indirect to filtered direct light, water when pseudobulbs and bark are dry.

Cross-link: /plant-care/orchid-cattleya.

4. Dancing lady orchid — Oncidium spp.

Cascading sprays of small yellow-and-brown flowers that look like little dancers in skirts. Pseudobulbs are tall and narrow; foliage is grassy. Often sold as the "Sharry Baby" hybrid that smells distinctly of chocolate. Reliable rebloomer once you find the right light corner.

Care signal: Bright indirect, water 1–2 times per week when potting media starts to dry.

5. Cymbidium — Cymbidium spp.

The boat orchid. Tall arching spikes with up to 30 waxy flowers per stem, lasting six to eight weeks. Grassy strap leaves rise 2 to 3 feet from a clump of large pseudobulbs. Needs cool nights (around 50–55°F) in fall to set blooms, which is why Cymbidiums struggle in centrally heated apartments and shine on patios in coastal California or the mid-Atlantic.

Care signal: Bright indirect to filtered direct, keep evenly moist in summer, cool nights in fall.

6. Vanda — Vanda spp.

The most light-hungry orchid in retail. Long strap leaves alternating up a single monopodial stem, with bare aerial roots dangling below in characteristic open-basket cultivation. Spectacular blue, purple, pink, and red flowers — the only orchid genus with true-blue species in the family. Wants more light than any other common houseplant orchid.

Care signal: Bright filtered direct light, soak roots daily in summer (no potting media needed).

7. Slipper orchid — Paphiopedilum spp.

The slipper. One pouch-shaped lower petal that gives the genus its common name. Mottled or solid-green strap leaves with no pseudobulbs (the genus uses leaves and roots for water storage like Phalaenopsis). The most low-light-tolerant orchid type — a Paphiopedilum will rebloom in a north window where most orchids etiolate.

Care signal: Medium indirect light, keep evenly moist with filtered water.

8. Pansy orchid — Miltoniopsis spp.

Large flat round flowers patterned exactly like garden pansies — purple, white, pink, and yellow with bold face markings. Cool-growing — Miltoniopsis prefers daytime highs around 70°F and night dips to 55–60°F. Notoriously fussy in dry homes; sulks at humidity below 50 percent.

Care signal: Medium indirect light, keep evenly moist, high humidity, cool nights.

9. Zygopetalum — Zygopetalum spp.

Glossy green-and-purple flowers with a distinctive fragrance often compared to hyacinth. Tall sprays from a compact clump of pseudobulbs. Tolerant of typical home conditions if you can provide bright indirect light.

Care signal: Bright indirect light, water when bark is nearly dry.

10. Spider orchid — Brassia spp.

Spider-shaped blooms with long thin tepals — the flowers look like green-and-brown spiders with up to a foot-long span. Adapted to attract spider-hunting wasps as pollinators in the wild. Wants bright light and warmth.

Care signal: Bright indirect to filtered direct, water weekly when bark starts to dry.

11. Reed-stem orchid — Epidendrum spp.

Tall reed-like canes topped with clusters of small flat flowers in red, orange, pink, yellow, or lavender. Long-blooming — single flower clusters routinely hold for two to three months. The easiest sympodial orchid for full-sun patios in zones 9–11.

Care signal: Bright direct light, water when soil dries.

12. South American slipper — Phragmipedium spp.

The other slipper genus. Larger, more ribbon-like petals than Paphiopedilum and a strict preference for wetter conditions — Phragmipediums grow with their roots near streams in the wild and sulk in any drying-out cycle. Best paired with a humidity tray and consistent watering.

Care signal: Medium indirect light, keep constantly moist, high humidity.

Orchid pet safety — what ASPCA actually says

The ASPCA database explicitly lists Phalaenopsis orchid as non-toxic to cats, dogs, and horses. Other common orchid genera (Dendrobium, Cattleya, Cymbidium, Oncidium, Vanda, Paphiopedilum) are not individually listed but are widely treated as non-toxic by vets and ASPCA-derived pet-safe lists, in part because no orchid genus has been associated with reports of poisoning. For any orchid not explicitly on the ASPCA Phalaenopsis page, assume "likely safe but verify with your vet" rather than confirmed non-toxic. If your dog or cat chews leaves and shows any unusual symptoms, call the ASPCA Animal Poison Control Center at (888) 426-4435.

How to choose the right type of orchid for your home

The single best filter is the light your room actually gets. Walk in at 2 pm on a sunny day. Can you cast a sharp shadow with your hand on the windowsill? That's bright direct or filtered direct light — Vanda, Cattleya, Brassia, Epidendrum, Dendrobium will all bloom there. Is the shadow soft but clear? Bright indirect — Phalaenopsis, Oncidium, Zygopetalum, Miltoniopsis. No real shadow at all, six feet from any window? That's medium-to-low indirect, and only the Paphiopedilum slipper will reliably rebloom for you.

The second filter is temperature. Cymbidium and Miltoniopsis want cool nights in fall to set spikes — if your apartment never drops below 65°F, those two will struggle. Conversely, Vanda and Phalaenopsis want consistent warmth above 65°F year-round and resent cold drafts under 55°F. A drafty bay window in a New England winter will kill a Vanda faster than overwatering.

The third filter is your watering rhythm. Monopodial Phalaenopsis and Vanda dry out fast — they want weekly attention in summer and may sulk if you travel for two weeks without a sitter. Sympodial Cattleya, Dendrobium, and Oncidium tolerate longer dry spells thanks to their pseudobulbs. Phragmipedium is the opposite extreme — it wants constant moisture and will brown the leaf tips if it dries out even once between waterings.

For a first orchid in a typical US apartment, choose a Phalaenopsis in a clear plastic nursery pot. It costs $13–25 at Trader Joe's, Costco, or any supermarket, blooms for three months out of the box, and forgives the watering mistakes every new orchid grower makes. Once you have reliable reblooms (year two for most homes), branch out to Oncidium or Dendrobium for variety.

Common care across the category

Four rules cover 90 percent of orchid care across every genus on the list.

First, light first, always. Most orchids fail not because the owner waters wrong but because the window does not deliver enough hours of bright light. Orchids in low light grow leaves but never set buds. Move the plant closer to the window before adjusting watering.

Second, water rhythm beats water volume. Orchids hate stale wet potting media. Soak the bark thoroughly, let water drain completely, and wait until the top of the media is dry to the touch before watering again. The "ice cube method" works for Phalaenopsis in retail packaging but is not magic — three ice cubes equal roughly a quarter cup of water, which is the right weekly dose for a 4-inch nursery pot.

Third, air movement at the roots. Orchid potting bark is open and chunky for a reason — orchid roots photosynthesize and breathe. Standard houseplant soil suffocates them. Repot every two years using fresh medium-grade fir bark or a commercial orchid mix.

Fourth, feed weakly, weekly. Use a balanced orchid fertilizer (20-20-20) at quarter strength in every other watering during active growth, then flush with plain water once a month to clear fertilizer salts.

Try Growli: Snap a photo with Growli — get instant ID and a care plan in 60 seconds.

Related articles

• Orchid care — light, water, reblooming — the full Phalaenopsis care deep dive
• Types of houseplants — 30+ varieties — the broader category
• Pet-safe houseplants — 20 non-toxic plants — the ASPCA-cleared list
• How to identify a houseplant — 4 methods — once you have a plant in front of you
• Common houseplant diseases — when something goes wrong
• Types of ferns — 15 varieties — the other shade-loving collector category

Reviewed and updated by the Growli editorial team. For questions about anything here, open Growli and ask — or email hello@getgrowli.app.