How to Grow Cat's Claw
Cat's Claw
Uncaria tomentosa
vineCat's claw is a woody vine native to the Amazon rainforest, named for its distinctive curved thorns that resemble cat claws. It can grow 60-100+ feet in length and produces small greenish-white flowers followed by winged seed pods. The plant has been used traditionally in South American herbal medicine for centuries.
When should you plant Cat's Claw in your zone?
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Example Cat's Claw timeline · Pittsburgh, PA (Zone 6b)
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Plant Cat's Claw
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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Harvest Cat's Claw
Late summer into fallBefore the first fall frost (≈ Nov 8)
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Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in tropical and subtropical zones 10b-11; requires warm, humid conditions year-round
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Get my Cat's Claw timeline →Growth Stages
Seedling
8-12 weeksTiny delicate stems with first true leaves emerging; very fragile and slow-growing
Keep soil consistently moist; maintain high humidity with misting or humidity dome; provide bright indirect light; keep in warm conditions (70-80°F); protect from drafts
Juvenile Growth
6-12 monthsDevelopment of multiple stems and compound leaves; vine begins to vine structure; slow but steady growth
Gradually increase light exposure; provide sturdy support structure or trellis; maintain consistent warmth and humidity; fertilize monthly with balanced fertilizer; thin competing growth
Establishment
1-3 yearsVine develops woody stems and longer vines; characteristic hooked thorns become more prominent
Ensure strong support structure as plant becomes heavier; train vines onto supports; maintain consistent moisture and humidity; apply thick mulch; prune to shape and encourage branching
Flowering & Fruiting
Blooms appear intermittently; flowering season varies by locationSmall greenish-white clustered flowers appear; flowers develop into flat, winged seed pods with distinctive spiral wings
Maintain optimal growing conditions to encourage blooms; ensure adequate nutrients; provide consistent water during flowering; allow flowers to fully develop into seed pods
Harvesting & Maintenance
Ongoing after year 3-5Mature vine with established bark suitable for harvest; continued vegetative growth and reproduction
Harvest bark sustainably from mature vines; practice coppicing to encourage regeneration; maintain structural pruning; continue regular watering and fertilizing
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Increase humidity with regular misting; spray with neem oil; wash leaves with water; ensure good air circulation
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Remove with cotton swab dipped in rubbing alcohol; spray with insecticidal soap; treat with neem oil every 7-10 days
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Remove manually with soft brush; spray with horticultural oil; apply neem oil; maintain plant vigor
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Improve air circulation; reduce leaf wetness by watering at soil level; remove affected leaves; apply fungicide if severe
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Ensure excellent drainage; avoid overwatering; use well-draining soil mix; improve air circulation; sterilize tools; repot if necessary
Uses
Traditional immune support
MedicinalCat's claw has been used in traditional Peruvian and Amazonian medicine for centuries to support immune function and general wellness. Modern research suggests the plant's alkaloids and polyphenols may contribute to these traditional applications. [source]
Joint and inflammatory support
MedicinalIndigenous peoples have traditionally used cat's claw bark decoctions for joint health and inflammatory concerns. Several compounds in the plant are being studied for their potential anti-inflammatory properties. [source]
Herbal tea and decoctions
CulinaryDried cat's claw bark is brewed as a traditional tea or decoction in Amazonian regions. The preparation is consumed as a wellness tonic in traditional South American herbalism. [source]
Herbal supplement formulations
MedicinalCat's claw bark extract is widely available in commercial herbal supplement products globally. The powdered bark and standardized extracts are used in capsules, tablets, and tinctures. [source]
Traditional dye
HouseholdIn its native regions, cat's claw bark has been used to create natural dyes for textiles. The inner bark produces various warm earth-tone colors. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Harvest inner bark from mature vines (typically 3-5+ years old); sustainable harvesting involves stripping bark from branches rather than girdling the entire trunk; harvest during wet season when bark strips easily; dry bark thoroughly before use or processing; bark can be harvested year-round in tropical regions but growth is slowest in cooler months
Fun Facts
- 🌱 The curved thorns that give cat's claw its name serve as grappling hooks, allowing the vine to cling to and climb rainforest canopy trees; they are modified stipules rather than true thorns
- 🌱 Cat's claw has been used in traditional Peruvian medicine for over 2,000 years and is one of the most commercially harvested medicinal plants from the Amazon
- 🌱 The plant can live for centuries in its native habitat and some wild specimens may be several hundred years old; it's an extremely slow-growing vine that rewards patience
Gardening Terms
New to gardening? Learn about terms used in this guide:
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