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Stromanthe Triostar

SCIENTIFIC NAME: Stromanthe sanguinea 'Triostar'

KNOWN AS: Triostar, Calathea Triostar

CLIMATE (LOCATION): Central & South America | Tropical & Subtropical

DESCRIPTION: This plant has a cheerful pink and green color. The leaves are different colors on each one. People sometimes mistake this plant for the Calathea, but they are related. This plant can move its leaves up and down depending on the time of day.

hard difficulty & pet safe

Stromanthe Triostar Plant Care


Light Requirement: Medium Light (Medium Indirect Light) to High Light (Bright Indirect Light)

Stromanthe Triostar plants require bright, indirect light to thrive. They prefer a location with filtered sunlight, as direct sunlight can scorch their leaves. An ideal location for these plants is near an east-facing window, as it provides bright morning light without the intense afternoon sun. If your home doesn't have an east-facing window, you can use artificial lighting to supplement the light. LED grow lights are an excellent option, providing full-spectrum light that mimics natural sunlight.

Lighting Recommendations

Aspect™ LED Growlight
$168.00 CAD - $224.00 CAD $280.00 CAD Sale
Vita™ Grow Light
$101.00 CAD $119.00 CAD Sale
Highland™ LED Track Light System
$322.00 CAD - $1,034.00 CAD


Quick Tip: Water until water comes out of drainage holes. Allow top 2 inches of soil to completely dry between waterings.

Stromanthe Triostar plants prefer constantly moist soil that's not soggy. It is better to water with room-temperature water and fully soak the soil until water drains out of the drainage holes. Before watering again, let the top inch or so of soil dry off. Avoid allowing the soil to entirely dry out or letting it stay in water that is still since this might cause root rot. Moreover, spraying the foliage with water will assist maintain healthy-looking foliage and raise humidity levels.


Preferred Temperature: 65º - 75º

Because Stromanthe Triostar plants do well in warm, humid climates, indoor culture is a good fit for them. For Stromanthe Triostar plants, the ideal temperature ranges from 18 to 24 degrees Celsius, or 65 to 75 degrees Fahrenheit. They prefer to be kept in a warm, stable temperature range, free from extremes or abrupt changes. It's critical to give them a temperature that closely resembles that of their natural tropical habitat. They can suffer leaf loss and slowed growth since they are susceptible to cold winds and temperatures below 60 degrees Fahrenheit (15 degrees Celsius). The Stromanthe Triostar plant can grow and show off its colorful and variegated foliage if the temperature is kept warm and steady within the advised range.


Preferred Humidity: 60 - 70%; High Humidity

Stromanthe Triostar does best in places with high humidity, ideally between 60 and 70%. You can do this by using a humidifier, setting the plant near a tray of water, or putting it with other plants. Even though the plant needs bright, indirect light, it must be kept out of direct sunlight, which can dry out the leaves and hurt the plant. Keep the soil damp, but don't let it get too wet. Regularly water your Stromanthe Triostar, but make sure it has enough drainage to keep root rot from happening. Misting is a great way to make the air around your plant more humid. Use a fine mist spray, especially in the morning or evening, to water the leaves gently. Stromanthe Triostar can feel changes in temperature. Keep it away from air conditioning vents and drafts.

Additional Plant Care

Stromanthe Triostar can be grown from stem cuttings or by dividing the plant. To spread by division, carefully take the plant out of its pot and gently pull apart the rhizomes, making sure that each piece has healthy roots and leaves. Put each piece of the plant into a new pot with potting soil that drains well and keeps the soil moist while the new plant grows roots. To grow new plants from stem cuttings, cut off the tip of a healthy stem and pull off the lower leaves. Plant the cut end in a pot of moist potting mix after dipping it in a rooting hormone. Keep the soil damp and give the cutting bright, indirect light until it grows roots and new leaves.
Stromanthe Triostar is considered non-toxic to humans, cats, and dogs. This plant is generally safe to have in households, and accidental ingestion or contact with the Stromanthe Triostar plant is unlikely to cause significant harm. However, it's important to note that while the plant itself is non-toxic, individual sensitivities or allergies may vary. Some individuals may have allergic reactions or experience mild gastrointestinal discomfort if they come into contact with or ingest the plant.
Stromanthe Triostar plants like to have a little bit of space between their roots, so they don't need to be repotted very often. When it's time to repot, choose a pot that is only one size bigger than the old one. A pot that is too big can hold too much water and cause root rot. Fill the new pot with soil that drains well, and carefully take the plant out of its old pot, making sure to untangle any roots that are wrapped around the root ball. Put the plant in the new pot and fill in the sides with more soil, making sure not to cover the plant's crown. Water it well and put it where it will get bright, but not direct, light.
Use a clean, sharp pair of pruning shears or scissors to cut back any straggly or unruly stems just above a leaf node. This is the best way to prune Stromanthe Triostar plants. This will help the plant grow new leaves and keep its shape and size. Stromanthe Triostar plants will also do better if you take off any leaves or stems that are yellow or broken. It's important to make clean cuts using clean shears and not tear or hurt the tissue around them. You should prune the plant when it's growing, which is usually from spring to early fall. Don't prune it in the winter, when it's not growing. Also, Stromanthe Triostar plants can get too heavy at the top, so it's important to cut off any stems or leaves that are too tall to make the plant look balanced. Regular pruning can help Stromanthe Triostar plants grow well and keep them looking lush and full.
Choose a balanced, water-soluble fertilizer with equal amounts of nitrogen, phosphorus, and potassium to feed a Stromanthe Triostar plant. Before you put the fertilizer on the plant, you should water it well and dilute the fertilizer to half the recommended strength. Apply the fertilizer to the soil around the plant's base with a watering can or spray bottle. Be careful not to get any on the leaves or stems, as it can burn them. During the growing season, which usually lasts from spring to early fall, do this every four to six weeks. Don't give the plant fertilizer when it's sleeping in the winter. Too much fertilizer can hurt the plant, so it's important to follow the directions on the package and not use too much. If the leaves start to turn brown or black, cut back on how often you fertilize or make the solution less strong. You can also follow the instructions on the package and use a slow-release fertilizer once every three to four months. Stromanthe Triostar plants can grow well and have bright leaves if they are fertilized regularly. Also, Stromanthe plants like slightly acidic soil, so when you fertilize them, you can add a few drops of vinegar to the water to keep the pH level where it should be.
Stromanthe Triostar plants do best in slightly acidic to neutral, nutrient-rich soil that drains well. Peat moss, perlite, and pine bark or coconut coir should be in a good potting mix for Stromanthe Triostar to make sure it drains well and gets enough air. Organic matter, like compost or well-aged manure, should be added to the soil to give the plant the nutrients it needs. It is best to stay away from heavy soils that hold too much water and can lead to root rot. By adding sand or coarse sand, the soil can drain better, which is good for Stromanthe Triostar plants.

Hanging Heights

Stromanthe Triostar Lighting Requirements: Medium Light (Medium Indirect Light) to High Light (Bright Indirect Light)

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