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Nematanthus 'Goldfish'

Nematanthus 'Goldfish'

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Nematanthus, commonly know as Goldfish Plant, is a genus of flowering plants of the family Gesneriaceae. All of its species are endemic to Brazil. The plant is generally an epiphyte in nature and a hanging-basket plant in cultivation.

Botanical Name Nematanthus gregarious
Common Name Goldfish plant
Plant Type Perennial 
Mature Size Stems 2 to 3 in. long, branches up to 3 ft. long
Sun Exposure Bright light but not direct light
Soil Type Well-drained
Soil pH Acidic
Bloom Time Spring, summer, fall, winter 
Flower Color

Red, orange, yellow

Goldfish plants prefer bright light, but they don't like direct light. An eastern facing window is perfect. They can also successfully be grown under lights indoors, especially during the winter.

A light, fast-draining potting soil is perfect. You can use fortified soils. In the wild, goldfish plants are epiphytes, a type of plant that grows upon other plants. It will usually grow on a tree.

During the summer, water generously and keep the soil continuously moist. In the winter, cut back on the water and allow the soil to become slightly drier. This seems to encourage better blooming. Be aware that the soil should never dry completely out.

Temperature and Humidity

Many people assume that tropical plants need high heat and high humidity to thrive. In nature, most of the tropical plants grow under a lush, green canopy of other plants, so the temperature is actually cooler. Goldfish houseplants are best in room temperatures of 65 to 75 degrees Fahrenheit. They need mild to moderate humidity and can be misted daily with room temperature water. Cold water will damage the foliage. In particularly dry environments, a humidifier near the plant is helpful.

Feed weekly during the growing season with a weak liquid fertilizer that includes micronutrients and encourages blooming. Controlled release fertilizer pellets are also excellent.