What Is Gotu Kola?
Gotu Kola (Centella asiatica) is a versatile, low-growing herb valued for its cognitive and healing benefits. Native to Asia, it’s used in salads, teas, cold-press juice and garnishes, adding nutritional and medicinal value to dishes.
Why Grow Gotu Kola in Las Vegas?
This is one of my most thriving pond cover crop. Once established it can endure south side heat. Some consider it a weed. But in Asia its a heat reducing tonic, especially when mixed with sugarcane juice. It is also,
- Heat and drought tolerance in USDA zone 9b desert climates
- Attracts pollinators to enhance garden biodiversity
- Delivers fresh, homegrown herbs for culinary and herbal remedies
- Grows effortlessly as a pond plant
Best Heat-Tolerant Gotu Kola Varieties
From my experience, most pennywort can thrive, but specific heat varieties are:
- ‘Tropical’ Gotu Kola: Thrives in sandy, well-drained soils with full sun exposure.
- ‘Indian Pennywort’: Performs well in part shade and tolerates heat stress with regular moisture.
- ‘Aussie’ Hybrid: A newer cultivar bred for arid zones and extreme summer temperatures.
Planting and Care
Timing
Plant outdoors in early spring or fall when temperatures are between 60°F and 75°F. Start seeds or transplants indoors 4–6 weeks before the last frost.
Soil Preparation
Use moderately acidic to neutral (pH 6.0–7.0) sandy-loam soil amended with compost and perlite for optimal drainage and root development. But it can also thrive in a mix of compost and native soil.
Spacing and Light
It doesn
It doesn’t really need spacings. In the beginning, it does prefer partial shade but tolerate full sun if watered consistently, especially during peak summer heat.
Watering and Fertilizing
- Watering: Deeply water once the top inch of soil dries. Aim for consistent moisture without waterlogging.
- Fertilizing: Apply a balanced, organic slow-release fertilizer every 6 weeks during the growing season.
Harvesting and Pest Management
- Harvest Time: Ready in 60 days—trim outer leaves to encourage continuous growth.
- Pests: Watch for aphids and caterpillars. Use neem oil or insecticidal soap for organic control.
Protecting from Extreme Weather
- Use row covers against frost and high winds.
- Apply mulch to retain soil moisture and buffer against heat spikes.
Companion Planting
Pair Gotu Kola with mint or basil to deter pests naturally and create a mutual microclimate that conserves moisture and supports healthy growth.
Conclusion
Growing Gotu Kola in Las Vegas is achievable with the right varieties and care routine. Enhance your garden’s utility and aesthetics with this resilient, medicinal herb. For more tips, seeds, and tools tailored to Southwest desert gardening, visit vansgarden.com. You can also find me on all the social media @vegasgardener.