Goldfish Plant (Nematanthus gregarius)

(c) Reinaldo de Oliveira Elias, some rights reserved (CC BY)

iNaturalist

Goldfish Plant Plant Care

Nematanthus gregarius D.L.Denham

With its vibrant orange trumpet-shaped flowers and dark green leaves, this plant hails from Brazil. Plant collectors are drawn to Nematanthus gregarius for its unique and eye-catching blooms that can brighten up any indoor space.

ðŸŠīHouseplants
Water

Every 7–10 days

Light

Bright indirect light

Temp

65–80°F

Humidity

50–70%

What Is the Goldfish Plant?

Goldfish Plant (Nematanthus gregarius) belongs to the Gesneriaceae family within the Nematanthus genus. Goldfish Plant is native to Brazil. Goldfish Plant is also known as Trailing Nematanthus.

Goldfish Plant displays a trailing, spreading vine growth habit, reaching up to 1 inches tall with a spread of approximately 2 inches. Goldfish Plant produces tubular, orange flowers with unique shape.

Leaf size: approximately 3 inches.

How Often Should You Water a Goldfish Plant?

Nematanthus gregarius requires watering every 7–10 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.

Watering Frequency

Every 7–10 days

Let soil partially dry between waterings

What Light Does the Goldfish Plant Need?

Goldfish Plant thrives in bright indirect light light conditions. The optimal light range is 0–0 lux. Avoid placing Goldfish Plant in direct, harsh sunlight for extended periods, as this can scorch the foliage.

Light Requirement

Bright indirect light

0–0 lux

What Temperature and Humidity Does the Goldfish Plant Prefer?

Nematanthus gregarius grows best at temperatures between 65°F and 80°F. Goldfish Plant prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.

Temperature

65–80°F

Humidity

50–70%

What Soil Mix Works Best for a Goldfish Plant?

Well-draining, peat-based potting mix with added perlite for aeration. Good drainage is essential for Goldfish Plant to prevent waterlogging, which leads to root rot and fungal issues.

How Do You Repot a Goldfish Plant?

Repot annually in spring. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.

How Do You Propagate a Goldfish Plant?

Goldfish Plant can be propagated through stem cuttings, division.

Fertilizing

Every 2 months

During the growing season

Is the Goldfish Plant Toxic to Pets and Children?

Non-Toxic

Non-toxic to humans and pets

What Pests and Diseases Affect the Goldfish Plant?

Goldfish Plant is susceptible to aphids, spider mites. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.

What USDA Hardiness Zone Does the Goldfish Plant Need?

Goldfish Plant grows outdoors in USDA Zone 10b – 12b. Native to Brazil, Goldfish Plant is adapted to warm climates. In cooler regions, grow Goldfish Plant as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 10b – 12b

Keep exploring plants

Goldfish Plant is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.

It belongs to the Nematanthus genus — compare its care with other Nematanthus species on PlantoScan.

Goldfish Plant thrives in bright light and direct sun — see other bright-light plants.

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