Plant care
Long-stalked Spiderwort (Wild Crocus) care
Tradescantia longipes
Also called Long-stalked Spiderwort, Wild Crocus.
Watering rhythm
Medium indirect light (a couple of metres from a window)
Weekly during active growth; reduce after summer die-back
Light
Medium indirect light (a couple of metres from a window)
Soil
Moist, humus-rich, well-drained loam; slightly acidic preferred
Humidity
Moderate to high
Temp
-25°C to 32°C
Pet safety
Mildly toxic to pets
Mature size
15–23 cm (6–9 in) tall in bloom and 15–23 cm (6–9 in) wide at maturity.
Care at a glance
Light
Picture the indirect light an east-facing window gives mid-morning — that's the brightness long-stalked spiderwort grows fastest in. Prefers part shade to dappled shade beneath deciduous trees, mirroring its natural habitat on shaded Ozark slopes; will tolerate morning sun but struggles in hot afternoon exposure. You'll know it's right when new leaves come out the same size and colour as the established ones. Smaller, paler new leaves = move closer to the window.
Watering
Aim for weekly during active growth; reduce after summer die-back for long-stalked spiderwort, 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. Requires consistently moist, well-drained soil during spring growth; allow soil to dry slightly between waterings after the foliage dies back in summer but do not let the roots completely desiccate.
Soil and pot
Long-stalked Spiderwort grows best in moist, humus-rich, well-drained loam; slightly acidic preferred. Prefers moist, acidic woodland soil rich in organic matter; tolerates rocky or poor soil but benefits from a leaf-mould mulch to retain moisture and replicate its natural woodland floor conditions. 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
Long-stalked Spiderwort sits happiest at around Moderate to high humidity and -25°C to 32°C (-13°F to 90°F). Naturally found in humid Ozark woodland ravines; appreciates consistent ambient humidity. Mulching around the root zone helps maintain soil moisture and microclimate humidity. If you keep the room above 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 long-stalked spiderwort sparingly. A light application of balanced slow-release fertiliser or well-rotted leaf mould in early spring supports flowering without promoting excessive leafy growth. 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 long-stalked spiderwort in the Growli community. Each is annotated with the most common cause so you know where to start.
- Summer dieback and disappearance — Foliage dies back significantly or completely after the spring bloom period; this is natural summer dormancy, not a disease. Mark plant positions to avoid accidentally digging up dormant clumps.
- Slug damage to spring shoots — Emerging spring growth in shaded moist conditions is highly attractive to slugs; apply iron phosphate bait around clumps as soon as growth appears in early spring.
Propagation
Division of clumps in early spring before flowering; seed sown fresh in autumn requires natural cold stratification of 60–90 days to germinate the following spring. 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
Long-stalked Spiderwort is mildly toxic to pets. Tradescantia longipes is not individually listed on the ASPCA database, but the genus includes T. fluminensis which ASPCA classifies as toxic to cats, dogs, and horses (clinical sign: dermatitis). As a precaution, treat this species as mildly toxic; sap may cause skin irritation and mild gastrointestinal upset if ingested. 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.
Long-stalked Spiderwort care — frequently asked questions
What is the common name for Tradescantia longipes?
Tradescantia longipes is most commonly called Long-stalked Spiderwort, but it is also known as Long-stalked Spiderwort, Wild Crocus. The names refer to the same species, so care instructions for Long-stalked Spiderwort apply identically to anything sold as Wild Crocus.
How much light does long-stalked spiderwort need?
Long-stalked Spiderwort grows best in medium indirect light (a couple of metres from a window). Prefers part shade to dappled shade beneath deciduous trees, mirroring its natural habitat on shaded Ozark slopes; will tolerate morning sun but struggles in hot afternoon exposure.
How often should I water long-stalked spiderwort?
Water long-stalked spiderwort weekly during active growth; reduce after summer die-back. Requires consistently moist, well-drained soil during spring growth; allow soil to dry slightly between waterings after the foliage dies back in summer but do not let the roots completely desiccate. 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 long-stalked spiderwort toxic to cats and dogs?
Long-stalked Spiderwort is mildly toxic to pets. Tradescantia longipes is not individually listed on the ASPCA database, but the genus includes T. fluminensis which ASPCA classifies as toxic to cats, dogs, and horses (clinical sign: dermatitis). As a precaution, treat this species as mildly toxic; sap may cause skin irritation and mild gastrointestinal upset if ingested.
What USDA hardiness zone does long-stalked spiderwort grow in?
Long-stalked Spiderwort is rated for USDA zone 4-9 and RHS hardiness H6. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.
Long-stalked Spiderwort deep-dive guides
Every aspect of long-stalked spiderwort care, each with its own calibrated guide:
- Common long-stalked spiderwort problems & fixes
- Long-stalked Spiderwort watering schedule
- Long-stalked Spiderwort light requirements
- Best soil mix for long-stalked spiderwort
- Long-stalked Spiderwort fertilizing guide
- When to repot long-stalked spiderwort
- How to propagate long-stalked spiderwort
- How to prune long-stalked spiderwort
- What's eating my long-stalked spiderwort?
- Long-stalked Spiderwort growth rate & size
- Long-stalked Spiderwort cold hardiness
- Long-stalked Spiderwort temperature & humidity
- Is long-stalked spiderwort toxic to cats & dogs?
- Is long-stalked spiderwort toxic to cats?
- Is long-stalked spiderwort toxic to dogs?
- All 22 Tradescantia varieties
- Getting long-stalked spiderwort to bloom
Featured in these plant shortlists
Long-stalked Spiderwort qualifies for 4 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:
- 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 flowering houseplants — Indoor plants grown for their blooms — selected from the flowering species in Growli’s plant-care library.
- Best small & tabletop houseplants — Compact houseplants that stay under about 40 cm — desk, shelf and windowsill plants that never outgrow a small space.
- Browse all 29 plant shortlists — pet-safe, low-light, drought-tolerant and more
Related guides
Long-stalked Spiderwort is also commonly called Long-stalked Spiderwort or Wild Crocus.