Gotu Kola
Centella Asiatica
Centella Asiatica, commonly known as Gotu Kola, is a versatile herb renowned for its medicinal properties and culinary uses. Native to Asia, this easy-to-grow plant thrives in moist, well-drained soil and is cherished for its lush green leaves.
Everything it needs
9 essentials at a glance
Watering
Centella Asiatica prefers consistently moist soil, so water it thoroughly when the top inch of soil feels dry.
In warmer months, this may mean watering every 2-3 days, while in cooler months, once a week may suffice. Signs of over-watering include yellowing leaves and root rot, while under-watering will cause wilting and browning leaf edges.
Light
Gotu Kola thrives in partial shade to full sun, ideally receiving 4-6 hours of light daily.
While it can tolerate full sun, too much direct sunlight can scorch the leaves. A location with morning sun and afternoon shade is ideal for optimal growth.
Soil
This plant prefers well-draining, loamy soil with a pH range of 6.0 to 7.0.
A potting mix that includes peat moss, perlite, and compost is recommended to ensure good drainage and nutrient availability.
Humidity
Centella Asiatica enjoys high humidity levels, ideally around 60-70%.
To increase humidity, consider misting the leaves regularly or placing a humidifier nearby. Signs of low humidity stress include browning leaf tips and leaf drop.
Temperature
The ideal temperature range for Gotu Kola is between 65-80°F (18-27°C).
It is hardy in USDA zones 8-11 and can tolerate brief periods of cooler temperatures, but prolonged exposure to temperatures below 50°F (10°C) can damage the plant.
Fertilizing
Use a balanced liquid fertilizer with an NPK ratio of 10-10-10, applying every 4-6 weeks during the growing season (spring and summer).
Signs of nutrient deficiency may include stunted growth and yellowing leaves.
Pruning
Prune Gotu Kola in early spring to promote bushier growth and remove any dead or yellowing leaves.
Use clean, sharp scissors or pruning shears. Deadheading is not necessary, but removing spent flowers can help maintain plant health.
Repotting
Repot Gotu Kola every 1-2 years or when it becomes root-bound, indicated by roots growing out of the drainage holes.
Choose a pot that is 1-2 inches larger in diameter. Gently remove the plant from its pot, loosen the roots, and place it in fresh potting mix.
Propagation
Gotu Kola can be propagated through stem cuttings or seeds.
For stem cuttings, take a healthy 4-6 inch cutting, remove the lower leaves, and place it in water or moist soil. Roots should develop within a few weeks. If using seeds, sow them in spring, covering lightly with soil and keeping moist until germination.
When it's unhappy
Yellow leaves
Why it happens
This can be caused by over-watering or nutrient deficiency.
How to fix it
Adjust watering frequency and check for proper drainage. Consider fertilizing if nutrient deficiency is suspected.
Wilting leaves
Why it happens
Under-watering or high temperatures can lead to wilting.
How to fix it
Increase watering frequency and ensure the plant is not exposed to extreme heat.
Browning leaf edges
Why it happens
This may indicate low humidity or inconsistent watering.
How to fix it
Increase humidity around the plant and ensure consistent moisture in the soil.
Root rot
Why it happens
Over-watering and poor drainage can lead to root rot.
How to fix it
Allow the soil to dry out between waterings and ensure the pot has adequate drainage holes.
Pest infestations (e.g., aphids, spider mites)
Why it happens
Pests can be attracted to stressed plants or those in poor health.
How to fix it
Inspect the plant regularly, and treat infestations with insecticidal soap or neem oil.
Care through the year
Spring
In spring, repot if necessary and begin regular fertilization every 4-6 weeks to promote growth. Ensure consistent watering as temperatures rise.
Summer
During summer, monitor for pests and maintain soil moisture. Consider providing afternoon shade if temperatures exceed 85°F (29°C).
Fall
In fall, reduce watering slightly as growth slows down. Continue to monitor humidity levels and prepare for cooler temperatures.
Winter
In winter, keep the plant in a warmer location and reduce watering frequency. Avoid letting the soil dry out completely, but do not over-water.
Toxicity & Safety
Centella Asiatica is generally considered non-toxic to pets and children. However, ingestion in large quantities may cause mild gastrointestinal upset. Always consult a medical professional if ingestion occurs.
Good to know
How often should I water my Centella Asiatica?
Water Gotu Kola when the top inch of soil feels dry, typically every 2-3 days in warmer months and weekly in cooler months.
What light conditions are best for Gotu Kola?
Gotu Kola thrives in partial shade to full sun, ideally receiving 4-6 hours of light daily, with morning sun and afternoon shade being optimal.
Can I grow Centella Asiatica indoors?
Yes, Gotu Kola can be grown indoors as long as it receives adequate light, ideally from a south-facing window or under grow lights.
What is the ideal temperature for Gotu Kola?
The ideal temperature range for Centella Asiatica is between 65-80°F (18-27°C), and it can tolerate brief periods of cooler temperatures.
How do I propagate Gotu Kola?
You can propagate Gotu Kola through stem cuttings or seeds. For cuttings, place a healthy stem in water or moist soil until roots develop.
What type of soil does Centella Asiatica prefer?
Gotu Kola prefers well-draining, loamy soil with a pH range of 6.0 to 7.0, making a potting mix with peat moss and perlite ideal.
Is Gotu Kola safe for pets?
Centella Asiatica is generally non-toxic to pets and children, but ingestion in large quantities may cause mild gastrointestinal upset.
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