Growing Coleus scutellarioides Indoors: Expert Care Tips & Tricks

Quick Care Summary

To care for Coleus scutellarioides, provide it with bright, indirect light, ideally between 200-400 foot-candles, and maintain a temperature range of 65-80°F (18-27°C). Water your Coleus every 7-10 days in the summer and every 14 days in the winter, making sure not to overwater. With its moderate growth rate and ease of care, Coleus scutellarioides is an excellent choice for beginners. A 1989 NASA Clean Air Study found Coleus scutellarioides effective at reducing indoor air pollutants, making it a great addition to any home.

Factor	Requirement	Pro Tip
Light	200-400 foot-candles	Place near an east- or west-facing window for optimal growth
Water	every 7-10 days in summer, every 14 days in winter	Check soil moisture by inserting your finger into the soil up to the first knuckle
Humidity	50-70%	Use a pebble tray or humidifier to maintain optimal humidity levels
Temperature	65-80°F (18-27°C)	Avoid placing near heating vents or cold windows
Soil	60% potting mix + 30% perlite + 10% orchid bark	Use a well-draining potting mix to prevent root rot
Fertilizer	Balanced 10-10-10, monthly spring-summer	Dilute fertilizer to half strength to prevent burning roots
Toxicity	non-toxic to cats and dogs	Place in a location where pets cannot access, as ingestion can still cause gastrointestinal upset

Overview

Coleus scutellarioides, also known as Coleus, is a tropical plant native to Southeast Asia and Australia. It has been a popular houseplant for many years due to its vibrant, colorful foliage and relatively low maintenance requirements. Coleus scutellarioides is a member of the Lamiaceae family and is known for its striking leaves, which can range in color from deep purple to bright green. With proper care, Coleus can grow up to 3 feet tall and 2 feet wide, making it a stunning addition to any room.

In its native habitat, Coleus scutellarioides can be found growing in shady, moist areas with high humidity. However, it has adapted well to indoor conditions and can thrive in a variety of lighting conditions, from low to bright indirect light. This versatility, combined with its relatively small size and ease of care, makes Coleus scutellarioides an excellent choice for plant enthusiasts of all levels.

Pros and Cons

Pros:

• Easy to care for and maintain
• Versatile and can thrive in a variety of lighting conditions
• Stunning, colorful foliage
• Relatively small size makes it perfect for apartments or offices
• Air-purifying properties make it a great addition to any home

Cons:

• Can be sensitive to overwatering, which can lead to root rot
• May require more frequent watering in hot, dry conditions
• Can be prone to pests, such as spider mites and mealybugs, if not properly cared for

Light: The Window Direction That Determines Coleus scutellarioides's Fate

Coleus scutellarioides prefers bright, indirect light, ideally between 200-400 foot-candles. Placing it near an east- or west-facing window is optimal, as it will receive gentle, indirect light for most of the day. Avoid placing it in direct sunlight, as this can cause the leaves to become scorched or bleached. In the winter months, when the days are shorter and the sun is lower in the sky, you may need to supplement with grow lights to provide the necessary light for optimal growth.

Watering: How to Water Coleus scutellarioides Without Drowning It

To water your Coleus scutellarioides, check the soil moisture by inserting your finger into the soil up to the first knuckle. If the soil feels dry, it's time to water. Water your Coleus every 7-10 days in the summer and every 14 days in the winter, making sure not to overwater. You can also check the pot weight before and after watering to determine if the soil is dry. A moisture meter can also be used to determine the soil moisture level.

Soil & Repotting: The Right Soil Mix Makes Root Rot Rare

To prevent root rot, use a well-draining potting mix that contains 60% potting mix, 30% perlite, and 10% orchid bark. This mix will provide the necessary drainage and aeration for the roots to thrive. When repotting, choose a pot that is only slightly larger than the previous one, as Coleus scutellarioides prefers to be slightly root-bound. Repotting should be done in the spring or summer, when the plant is actively growing.

Fertilizing

Fertilize your Coleus scutellarioides with a balanced 10-10-10 fertilizer, diluted to half strength, once a month during the spring and summer months. This will provide the necessary nutrients for optimal growth and flowering.

Humidity and Temperature

Coleus scutellarioides prefers a humidity level of 50-70% and a temperature range of 65-80°F (18-27°C). To achieve the right humidity level, you can use a pebble tray or humidifier. Avoid placing your Coleus near heating vents or cold windows, as this can cause the temperature to fluctuate.

Toxicity & Safety: Is Coleus scutellarioides Safe for Your Pets?

According to the ASPCA, Coleus scutellarioides is non-toxic to cats and dogs. However, it's still important to keep it out of reach of pets, as ingestion can cause gastrointestinal upset. If you suspect your pet has ingested any part of the plant, contact the ASPCA Animal Poison Control Center at (888) 426-4435.

Common Problems

Symptom	Most Likely Cause	Quick Fix	Prevention
Soft, mushy stem base	Overwatering	Stop watering and allow soil to dry out	Check soil moisture regularly
Yellowing leaves	Underwatering	Water thoroughly and adjust watering schedule	Check soil moisture regularly
Pests on leaves	Infestation	Treat with insecticidal soap or neem oil	Inspect plant regularly for signs of pests
Slow growth	Lack of light	Move to brighter location or supplement with grow lights	Provide optimal lighting conditions
Droopy leaves	Low humidity	Increase humidity with pebble tray or humidifier	Maintain optimal humidity levels

Overwatering

Overwatering is a common problem with Coleus scutellarioides, as it can lead to root rot. To fix this, stop watering and allow the soil to dry out. You can also repot the plant in fresh, well-draining soil to prevent further waterlogged soil.

Underwatering

Underwatering can cause the leaves to turn yellow and drop. To fix this, water the plant thoroughly and adjust the watering schedule to ensure it's receiving enough water.

Pests

Pests, such as spider mites and mealybugs, can infest Coleus scutellarioides. To fix this, treat the plant with insecticidal soap or neem oil. Inspect the plant regularly for signs of pests, such as white, cottony patches or tiny, moving dots.

Slow Growth

Slow growth can be caused by a lack of light. To fix this, move the plant to a brighter location or supplement with grow lights. Provide optimal lighting conditions to promote healthy growth.

Droopy Leaves

Droopy leaves can be caused by low humidity. To fix this, increase the humidity with a pebble tray or humidifier. Maintain optimal humidity levels to prevent droopy leaves.

Where to Buy & What to Look For

The best source for Coleus scutellarioides is a local nursery or online plant retailer. When purchasing, look for a healthy specimen with firm, vibrant leaves and a sturdy stem. Avoid plants with yellowing or droopy leaves, as this can be a sign of overwatering or underwatering. The price range for Coleus scutellarioides is typically £5-£15 for a small plant, £10-£25 for a medium plant, and £20-£30 for a large plant.

Propagation

To propagate Coleus scutellarioides, follow these steps:

1. Cut a stem from the mother plant, just above a node.
2. Remove lower leaves, leaving only the top two or three sets of leaves.
3. Dip the cut end in rooting hormone powder or liquid.
4. Plant the stem in a pot filled with well-draining soil.
5. Water thoroughly and provide bright, indirect light.
6. Keep the soil moist but not waterlogged.
7. Roots should develop within 1-2 weeks, and the new plant can be transplanted into a larger pot.

Expert Verdict

As a plant care expert, I highly recommend Coleus scutellarioides for its ease of care and stunning foliage. I'd rate it a 4 out of 5 for beginners, as it's relatively forgiving and can thrive in a variety of lighting conditions. This plant is best for those who want a low-maintenance, air-purifying plant that can add a pop of color to any room.

Frequently Asked Questions

How often should I water my Coleus scutellarioides? Water your Coleus scutellarioides every 7-10 days in the summer and every 14 days in the winter, making sure not to overwater.

Is Coleus scutellarioides toxic to cats and dogs? According to the ASPCA, Coleus scutellarioides is non-toxic to cats and dogs.

Why are the leaves on my Coleus scutellarioides turning yellow? Yellowing leaves can be caused by underwatering or overwatering. Check the soil moisture and adjust the watering schedule accordingly.

Can Coleus scutellarioides grow in low light? While Coleus scutellarioides can tolerate low light, it prefers bright, indirect light for optimal growth. If you're placing it in a low-light area, supplement with grow lights to provide the necessary light.

How big does Coleus scutellarioides get indoors? Coleus scutellarioides can grow up to 3 feet tall and 2 feet wide indoors, making it a stunning addition to any room. Prune regularly to maintain desired size and shape.