Plant care
Anthurium microspadix (small-spadix anthurium) care
Anthurium microspadix
Also called small-spadix anthurium.
Watering rhythm
6-8days
When the top 2-3 cm of mix is dry, about every 6-8 days
Light
Bright indirect light (just back from a sunny window)
Soil
Airy, well-draining aroid mix
Humidity
55-75%
Temp
15-27°C
Pet safety
Toxic to pets
Mature size
45-75 cm tall and wide indoors
Care at a glance
Light
In the wild anthurium microspadix 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. Bright, filtered light suits this understory plant. It tolerates medium light better than many anthuriums but flowers and fruits more freely in bright indirect conditions; avoid harsh 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 when the top 2-3 cm of mix is dry, about every 6-8 days for anthurium microspadix, 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 evenly moist in growth and slightly drier when cool. Water thoroughly and let excess drain; the roots tolerate brief dryness but rot if left waterlogged.
Soil and pot
Anthurium microspadix grows best in airy, well-draining aroid mix. Combine orchid bark, perlite, coco coir, and a little compost. The mix should hold some moisture yet drain freely; dense compost alone stays too wet for the roots. 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
Anthurium microspadix sits happiest at around 55-75% humidity and 15-27°C (59-80°F). Prefers high humidity but is more forgiving of average room conditions than tender anthuriums. Below 45% leaf edges may brown; a pebble tray or humidifier keeps it looking best. If you keep the room above 15 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 anthurium microspadix sparingly. Feed every 4-6 weeks in spring and summer with a balanced, dilute liquid fertiliser at half strength. Ease off in winter. Flush the pot occasionally to prevent salt buildup around the roots. 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 anthurium microspadix in the Growli community. Each is annotated with the most common cause so you know where to start.
- Browning leaf margins — Low humidity or salt buildup; raise humidity, water with rain or filtered water, and flush the pot to remove accumulated minerals.
- Sparse berry set — Needs maturity, good light, and humidity; indoor plants often need hand pollination of the spadix to produce the showy orange berries.
- Yellowing leaves — Usually overwatering or poor drainage. Let the surface dry slightly between waterings and use a chunkier, faster-draining mix.
- Cold damage — Though more cold-tolerant than its relatives, prolonged exposure below about 10°C causes blackened, mushy patches; keep it above that threshold.
Propagation
Divide established clumps at repotting, keeping roots on each section. Stem cuttings with a node also root readily in an airy mix. Seed from ripe berries germinates but is slower than division. 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
Anthurium microspadix is toxic to pets. Toxic to cats and dogs. The genus Anthurium is ASPCA-listed as toxic due to insoluble calcium oxalate crystals, which cause oral pain, drooling, swelling, and difficulty swallowing if chewed. The attractive berries are also unsafe to ingest. 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.
Anthurium microspadix care — frequently asked questions
What is the common name for Anthurium microspadix?
Anthurium microspadix is most commonly called Anthurium microspadix, but it is also known as small-spadix anthurium. The names refer to the same species, so care instructions for Anthurium microspadix apply identically to anything sold as small-spadix anthurium.
How much light does anthurium microspadix need?
Anthurium microspadix grows best in bright indirect light (just back from a sunny window). Bright, filtered light suits this understory plant. It tolerates medium light better than many anthuriums but flowers and fruits more freely in bright indirect conditions; avoid harsh direct sun.
How often should I water anthurium microspadix?
Water anthurium microspadix when the top 2-3 cm of mix is dry, about every 6-8 days. Keep evenly moist in growth and slightly drier when cool. Water thoroughly and let excess drain; the roots tolerate brief dryness but rot if left waterlogged. 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 anthurium microspadix toxic to cats and dogs?
Anthurium microspadix is toxic to pets. Toxic to cats and dogs. The genus Anthurium is ASPCA-listed as toxic due to insoluble calcium oxalate crystals, which cause oral pain, drooling, swelling, and difficulty swallowing if chewed. The attractive berries are also unsafe to ingest.
What USDA hardiness zone does anthurium microspadix grow in?
Anthurium microspadix is rated for USDA zone 10-12 (indoor in most US homes) and RHS hardiness H1c. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.
Anthurium microspadix deep-dive guides
Every aspect of anthurium microspadix care, each with its own calibrated guide:
- Anthurium microspadix watering schedule
- Anthurium microspadix light requirements
- Best soil mix for anthurium microspadix
- Anthurium microspadix fertilizing guide
- When to repot anthurium microspadix
- How to propagate anthurium microspadix
- Anthurium microspadix growth rate & size
- Anthurium microspadix cold hardiness
- Anthurium microspadix temperature & humidity
- Is anthurium microspadix toxic to cats & dogs?
- Is anthurium microspadix toxic to cats?
- Is anthurium microspadix toxic to dogs?
Featured in these plant shortlists
Anthurium microspadix qualifies for 3 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:
- Best plants for a north-facing window — Houseplants for a north-facing window: bright, even, indirect light and no scorching direct sun. Each pick verified against its documented light needs.
- Best humidity-loving houseplants — Houseplants that thrive in a bathroom, kitchen, or by a humidifier — selected by documented humidity preference.
- Houseplants toxic to cats & dogs — The common houseplants the ASPCA lists as toxic to cats and dogs — the ones to keep out of reach, each with its symptoms and a safe alternative.
- Browse all 29 plant shortlists — pet-safe, low-light, drought-tolerant and more
Related guides
Anthurium microspadix is also commonly called small-spadix anthurium.