How to Grow All-Heal

Wikipedia

All-Heal

Prunella vulgaris

herb

All-Heal is a low-growing perennial herb with purple-violet flower spikes and square stems characteristic of the mint family. Traditionally used in herbal medicine for centuries, it thrives in meadows and disturbed areas across temperate regions. The plant is known for its self-healing properties and attracts pollinators while providing culinary and medicinal benefits.

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Example All-Heal timeline · Pittsburgh, PA (Zone 6b)

  1. Plant All-Heal

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest All-Heal

    Around Jun 16

    ≈ 60 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact All-Heal dates for your own zip code.

Growing Conditions

☀️
Sun: Full sun to partial shade, 4-6 hours of sunlight daily minimum
💧
Water: Moderate watering; drought-tolerant once established. Water regularly during growing season, reduce in winter. Prefers evenly moist but not waterlogged soil.
📏
Spacing: 12-18 inches
📅
Days to maturity: 60-90 days from seed to first flowering
🌱
Planting depth: Surface sow or press seeds lightly into soil; requires light for germination

Soil

Type: Well-draining loamy or sandy soil, tolerates poor soil conditions
pH: 6.0-7.5
Amendments:
Compost aged manure perlite for drainage improvement

Growing Zones

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Thrives in zones 3-9, adaptable to most temperate climates

3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b

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Growth Stages

1

Germination & Seedling

2-3 weeks

Tiny seedlings emerge with cotyledons, developing first true leaves within 2-3 weeks

Keep soil consistently moist but not waterlogged. Provide bright indirect light. Thin seedlings to proper spacing.

2

Vegetative Growth

4-6 weeks

Plant develops low rosette of oval, slightly wrinkled leaves and establishes a spreading root system

Water moderately, allow soil to dry slightly between waterings. Mulch to suppress weeds and retain moisture. No fertilizer needed if soil quality is adequate.

3

Flowering

6-10 weeks (June-August in most regions)

Purple-violet flower spikes emerge from leaf axils, densely packed with tubular flowers arranged in whorls

Deadhead spent flowers to encourage continued blooming. Water during dry spells. Attract pollinators by leaving some flowers.

4

Seed Production

4-6 weeks

Flowers fade, leaving dried seedheads containing numerous tiny brown seeds

Allow some flowers to go to seed for self-seeding or seed collection. Cut seedheads when brown and dry.

5

Dormancy/Overwintering

3-4 months (November-March in temperate zones)

Foliage dies back in autumn; plant survives winter as a rootstock, ready to regrow in spring

Do not remove dead foliage in fall—it protects the crown. Provide mulch in colder zones. No watering needed.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Black walnut (juglone sensitivity)

Common Pests

  • Improve air circulation, avoid overhead watering, apply sulfur dust or neem oil if needed

  • Spray with water to dislodge, use insecticidal soap, increase humidity

  • Remove affected leaves, improve air circulation, avoid wetting foliage during watering

Uses

💊

Throat & immune support

Medicinal

All-Heal is traditionally used as a gargle for sore throats and coughs. Modern herbalism values it for supporting immune function and respiratory health due to its antimicrobial compounds. [source]

💊

Wound healing & inflammation

Medicinal

The herb accelerates wound healing and reduces inflammation when applied topically as a poultice or infused oil. Its name reflects its historical reputation for healing cuts and scrapes. [source]

🍳

Herbal tea & infusions

Culinary

Fresh or dried flowering tops make a mild, slightly bitter herbal tea with a pleasant minty-green character. Use 1-2 teaspoons dried herb per cup of hot water. [source]

💊

Digestive support

Medicinal

Used in traditional herbalism as a digestive bitter and stomach tonic. May help improve digestion and reduce bloating when taken as a tea. [source]

🦋

Pollinator attraction

Wildlife

All-Heal's purple flower spikes are highly attractive to bees, butterflies, and hummingbirds, making it valuable in pollinator gardens and wildflower meadows. [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 leaves anytime during growing season for fresh use or drying, pinch tips to encourage bushiness. For medicinal use, harvest flowering tops when in full bloom (peak potency). Dry by hanging in bundles or spreading on screens. Cut back after first bloom to encourage a second flush of flowers. Harvest seeds when seedheads turn brown and dry.

Fun Facts

  • 🌱 All-Heal is called 'Heal-All' or 'Self-Heal' because of its traditional use in folk medicine dating back to medieval times—it was believed to cure nearly any ailment.
  • 🌱 The plant is native to Europe and Asia but has naturalized across North America, Australia, and other temperate regions, often found in meadows, disturbed areas, and along roadsides.
  • 🌱 Prunella vulgaris contains iridoid glycosides and polyphenols that give it antimicrobial and antioxidant properties, making it a subject of modern phytochemical research.

Gardening Terms

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