Growli
Let's go

Plant care

Dwarf Rose-Stripe Star (Rose-Stripe Earth Star) care

Cryptanthus bivittatus

Also called Rose-Stripe Earth Star, Two-Banded Earth Star, Starfish Plant.

RHS H1aUSDA 11-12Pet-safeIndoor 10-20 cm wide

Watering rhythm

5-7days

Water when the top 1-2 cm of soil is dry, roughly every 5-7 days

Jump to schedule→Get smart reminders in the app

Light

Medium indirect light (a couple of metres from a window)

Soil

Moisture-retentive but well-draining peat-free potting mix

Humidity

60-80%

Temp

18-27°C

Pet safety

Pet-safe

Mature size

10-20 cm wide

Care at a glance

Light

Dwarf Rose-Stripe Star wants the spot a few feet back from a sunny window — bright enough to read a paperback at noon, but the sun never falls directly on the leaves. Best in bright to medium indirect light. More light intensifies the pink and red leaf colouration. Tolerates lower light but the striping becomes less vivid. Avoid harsh direct sun, which scorches the narrow leaves. A faint hand shadow at midday is the right amount; a sharp dark shadow means it's getting direct sun and probably too much.

Watering

Water dwarf rose-stripe star water when the top 1-2 cm of soil is dry, roughly every 5-7 days. The actual day count varies with pot size, light, and season — the finger test (or lifting the pot to feel its weight) is more reliable than a fixed calendar. Empty any drainage saucer afterwards so the pot isn't sitting in water. Unlike cup-forming bromeliads, Cryptanthus should be watered through its potting mix. Keep the soil evenly moist but never waterlogged. These plants benefit from misting several times per week, particularly in dry conditions.

Soil and pot

Dwarf Rose-Stripe Star grows best in moisture-retentive but well-draining peat-free potting mix. A bromeliad mix or a blend of coir, perlite, and fine bark works well. Cryptanthus is terrestrial and benefits from slightly more organic matter than epiphytic bromeliads, though good drainage remains essential. 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

Dwarf Rose-Stripe Star sits happiest at around 60-80% humidity and 18-27°C (64-80°F). Requires higher humidity than many houseplants; thrives in terrariums and humid bathrooms. In average home conditions, regular misting and grouping with other plants helps maintain the necessary moisture in the air. 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 dwarf rose-stripe star sparingly. Feed monthly during spring and summer with a quarter-strength balanced liquid fertiliser applied as a foliar spray or added to the water. Avoid excess nitrogen, which can dilute the leaf patterning. 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 dwarf rose-stripe star in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Faded leaf colour — Occurs in insufficient light. Move to a brighter position (still avoiding direct sun) to restore the rose-pink striping.
  • Root rot — Caused by consistently waterlogged compost. Ensure the pot has drainage holes and allow the surface to dry slightly between waterings.
  • Brown leaf tips — Low humidity or fluoride in tap water. Switch to rainwater or filtered water and mist more frequently.
  • Mealybugs — Waxy white clusters in the tight leaf axils. Remove carefully with a cotton bud dipped in dilute alcohol and treat with insecticidal soap.
  • Leaf spotting — May result from cold water hitting leaves or fungal infection in stagnant humid conditions. Improve air circulation and use room-temperature water.

Companion plants

Dwarf Rose-Stripe Star pairs well with Cryptanthus lacerdae, Fittonia albivenis, Sinningia pusilla, and Pilea cadierei. These are species with similar light and water needs, so you can group them in the same room or on the same shelf and water as a batch.

Propagation

Propagated via offsets (pups) that emerge from the base of mature rosettes. Carefully detach pups once they are around 5-8 cm wide and pot in a small container of bromeliad mix. Keep warm and humid until established. 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

Dwarf Rose-Stripe Star is pet-safe. Cryptanthus bivittatus is listed as non-toxic to dogs and cats by the ASPCA. It is a safe choice for households 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.

Dwarf Rose-Stripe Star care — frequently asked questions

What is the common name for Cryptanthus bivittatus?

Cryptanthus bivittatus is most commonly called Dwarf Rose-Stripe Star, but it is also known as Rose-Stripe Earth Star, Two-Banded Earth Star, Starfish Plant. The names refer to the same species, so care instructions for Dwarf Rose-Stripe Star apply identically to anything sold as Rose-Stripe Earth Star.

How much light does dwarf rose-stripe star need?

Dwarf Rose-Stripe Star grows best in medium indirect light (a couple of metres from a window). Best in bright to medium indirect light. More light intensifies the pink and red leaf colouration. Tolerates lower light but the striping becomes less vivid. Avoid harsh direct sun, which scorches the narrow leaves.

How often should I water dwarf rose-stripe star?

Water dwarf rose-stripe star water when the top 1-2 cm of soil is dry, roughly every 5-7 days. Unlike cup-forming bromeliads, Cryptanthus should be watered through its potting mix. Keep the soil evenly moist but never waterlogged. These plants benefit from misting several times per week, particularly in dry conditions. 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 dwarf rose-stripe star toxic to cats and dogs?

Dwarf Rose-Stripe Star is pet-safe. Cryptanthus bivittatus is listed as non-toxic to dogs and cats by the ASPCA. It is a safe choice for households with pets.

What USDA hardiness zone does dwarf rose-stripe star grow in?

Dwarf Rose-Stripe Star is rated for USDA zone 11-12 (indoor-only in most climates) and RHS hardiness H1a. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Dwarf Rose-Stripe Star deep-dive guides

Every aspect of dwarf rose-stripe star care, each with its own calibrated guide:

Featured in these plant shortlists

Dwarf Rose-Stripe Star qualifies for 12 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

  • Best pet-safe houseplants — Houseplants the ASPCA lists as non-toxic to cats and dogs — every one verified against the ASPCA toxic and non-toxic plant list.
  • Best low-light houseplants — Houseplants that need no direct sun and cope with a north-facing room or a spot well back from a window.
  • 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 pet-safe low-light plants — Non-toxic to cats and dogs AND happy with no direct sun — the two hardest constraints to satisfy at once.
  • Best humidity-loving houseplants — Houseplants that thrive in a bathroom, kitchen, or by a humidifier — selected by documented humidity preference.
  • Best bathroom plants — Humidity-loving houseplants that also cope with lower light — suited to the steamy, often-dim conditions of a typical bathroom.
  • Best pet-safe bathroom plants — Non-toxic to cats and dogs and happy in the humid, lower-light conditions of a bathroom — safe greenery for the smallest room.
  • Best small & tabletop houseplants — Compact houseplants that stay under about 40 cm — desk, shelf and windowsill plants that never outgrow a small space.
  • Best pet-safe bedroom plants — Non-toxic to cats and dogs and happy in lower light — calming greenery for a bedroom where a pet often sleeps too.
  • Best cat-safe plants — Houseplants the ASPCA lists as non-toxic to cats (and dogs) — safe greenery for a home with a curious cat.
  • Best dog-safe plants — Houseplants the ASPCA lists as non-toxic to dogs (and cats) — safe greenery for a home with a curious dog.
  • Best small pet-safe plants — Compact, tabletop houseplants that are also ASPCA non-toxic to cats and dogs — safe greenery for a desk or shelf.
  • Browse all 30 plant shortlists — pet-safe, low-light, drought-tolerant and more

Related guides

Dwarf Rose-Stripe Star is also known as Rose-Stripe Earth Star, Two-Banded Earth Star, and Starfish Plant.