Ashwagandha (Withania somnifera)

Ashwagandha

Withania somnifera

Its silvery leaves hold ancient medicinal wisdom, a hardy desert herb. Perennial subshrub; common names: Indian ginseng, winter cherry.

Full sun
1–2/week
Moderate
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Plant Needs

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Sunlight Prefers full sun for optimal growth; tolerates partial shade in extreme summer heat to prevent leaf scorch
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Watering Allow soil to dry completely between waterings; highly drought-tolerant, avoid overwatering to prevent root rot
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Temperature Tolerates mild frost (down to 10°C) and extreme summer heat; thrives in warm, arid conditions
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Characteristics

  • Leaf: Oval, silvery-green, fuzzy leaves with smooth, entire margins
  • Flower: Small, greenish-white, star-shaped blooms in axillary clusters
  • Fruit: Orange-red berry enclosed in a papery, inflated calyx
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Care Guide

Watering

Water when top 5 cm of soil is fully dry; reduce during heavy rainfall

Fertilization

Diluted organic feed once monthly. Use low-nitrogen, phosphorus-rich diluted feed to support flowering and fruiting

Composted coffee grounds tea:Use fully composted grounds diluted 1:20 with water to avoid root burn; apply as a root drench to avoid foliar contact
Pruning
  • Pinch back young stem tips to encourage bushy, compact growth
  • Remove dead, yellowing leaves and spent flower clusters to maintain plant health
  • Cut back leggy stems by one-third in early spring to refresh growth
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA unlisted, but veterinary sources note ingestion may cause vomiting, diarrhea, and lethargy

Humans: Large doses may cause drowsiness, gastrointestinal upset, and headache; safe in regulated medicinal use

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Garden Uses & Culture

Culture: Central to Ayurvedic medicine for over 3,000 years; symbolizes resilience and vitality

Usage: Medicinal herb for stress relief and immune support; ornamental subshrub for arid rock gardens