Chalice Vine (Cup of Gold) care

Light

Chalice Vine needs sun on the leaves, not just bright ambient room light. Needs full sun for at least 6 hours daily to flower reliably. In lower light it produces lush foliage but few or no blooms. Outdoor placement on a south- or west-facing wall is ideal. A south or west-facing windowsill in the northern hemisphere is the default; anywhere else, expect the plant to stretch and pale out within a season.

Watering

Water chalice vine weekly during active growth; reduce in winter. 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. Water deeply when the top 2–3 cm of soil dries out. Established vines tolerate brief dry spells but perform best with consistent moisture. Reduce watering significantly in winter to prevent root rot.

Soil and pot

Chalice Vine grows best in rich, well-draining loam or sandy loam. A fertile, moisture-retentive but free-draining mix is ideal. Amend heavy clay with grit or perlite. Container plants benefit from a quality potting compost blended with 20–30% coarse perlite. 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

Chalice Vine sits happiest at around 50–80% humidity and 15–32°C (59–90°F). Prefers humid tropical conditions. In dry climates or heated interiors, mist the foliage regularly or place near a humidifier. Low humidity can cause leaf-tip browning. If you keep the room above 15–32°C 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 chalice vine sparingly. Feed with a balanced slow-release fertiliser (10-10-10) in spring, then switch to a low-nitrogen, high-potassium formula (e.g., 5-10-15) monthly through summer to promote flowering. 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 chalice vine in the Growli community. Each is annotated with the most common cause so you know where to start.

• Failure to bloom — Most often caused by insufficient direct sun, excess nitrogen, or overly warm nights. Ensure at least 6 hours of full sun and apply a potassium-rich fertiliser in late spring. A brief cool period (down to 15°C) in winter can trigger flowering.
• Scale insects — Soft or armoured scale can colonise stems and leaf undersides, causing yellowing and sticky honeydew. Treat with horticultural oil spray or systemic insecticide; repeat every 10–14 days until clear.
• Root rot — Caused by waterlogged soil, especially in winter. Ensure pots have drainage holes, use a free-draining mix, and reduce irrigation during cooler months. Affected plants show wilting and brown roots.

Propagation

Take semi-hardwood stem cuttings 10–15 cm long in summer, dip in rooting hormone, and root in a warm propagator at 24–27°C with bottom heat. Air layering is also reliable on mature stems. Seed is rarely used in cultivation. 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

Chalice Vine is toxic to pets. Solandra belongs to the Solanaceae family, which contains toxic alkaloids (including solanine-related compounds and tropane alkaloids). All parts are considered toxic if ingested by pets or humans. Keep away from cats, dogs, and children. ASPCA does not individually list Solandra, but the family's toxicity is well documented. 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.

Chalice Vine deep-dive guides

Every aspect of chalice vine care, each with its own calibrated guide:

• Common chalice vine problems & fixes
• Chalice Vine watering schedule
• Chalice Vine light requirements
• Best soil mix for chalice vine
• Chalice Vine fertilizing guide
• When to repot chalice vine
• How to propagate chalice vine
• How to prune chalice vine
• What's eating my chalice vine?
• Chalice Vine growth rate & size
• Chalice Vine cold hardiness
• Chalice Vine temperature & humidity
• Is chalice vine toxic to cats & dogs?
• Is chalice vine toxic to cats?
• Is chalice vine toxic to dogs?

Featured in these plant shortlists

Chalice Vine qualifies for 6 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

• Best trailing & climbing houseplants — Vining and trailing houseplants for shelves, hanging pots, and moss poles — selected by growth habit.
• 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.
• Best houseplants for full sun — Houseplants that want direct sun — the species for a hot south or west-facing windowsill where shade-lovers scorch.
• Best fast-growing houseplants — Houseplants documented as fast or vigorous growers — quick to fill a pot, cover a pole or trail down a shelf.
• Best fragrant houseplants — Indoor plants with scented flowers or aromatic foliage — greenery you can smell, selected from our care library.
• Browse all 29 plant shortlists — pet-safe, low-light, drought-tolerant and more

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Chalice Vine is also known as Chalice Vine, Cup of Gold, and Trumpet Plant.

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