How to Grow Star of Anise
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Star of Anise
Illicium verum
shrubStar of anise is a small, evergreen shrub native to southwestern China that produces distinctive star-shaped fruits with a licorice flavor. The plant is prized for its aromatic seeds, which are widely used in Asian cuisine and traditional medicine. It typically grows 8-30 feet tall and develops glossy green foliage with small yellowish flowers.
When should you plant Star of Anise in your zone?
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Example Star of Anise timeline · Pittsburgh, PA (Zone 6b)
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Plant Star of Anise
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 Star of Anise
Late summer into fallBefore the first fall frost (≈ Nov 8)
Sample dates for Pittsburgh, PA. Sign up to get exact Star of Anise dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 9b-11; tender in cooler regions and best grown in warm, humid climates or containers in temperate areas
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Get my Star of Anise timeline →Growth Stages
Seedling
2-4 weeksSmall, delicate cotyledons emerge with true leaves following. Growth is slow initially.
Maintain high humidity and consistent moisture. Use bottom heat (70-75°F) for germination. Keep out of direct sun.
Juvenile
12-24 monthsPlant develops its characteristic glossy, simple oval leaves. Stem becomes woody and growth accelerates gradually.
Keep consistently moist, provide partial shade, apply light fertilizer monthly during growing season. Prune to shape if desired.
Vegetative
12-36 monthsEstablished shrub with full canopy of dark green foliage. No flowers yet but plant is vigorously growing.
Water regularly, provide balanced fertilization, maintain humidity above 50% if possible. Prune to maintain desired size and shape.
Flowering
2-3 months (typically spring)Small, pale yellow, fragrant flowers appear in clusters along stems. Flowers are bisexual and relatively inconspicuous.
Maintain warm temperatures (65-80°F) and consistent moisture. Avoid fertilizer high in nitrogen which promotes foliage over flowers.
Fruiting and Harvest
4-6 monthsAfter pollination, distinctive star-shaped fruits develop over several months. Mature fruits are reddish-brown, firm, and contain glossy brown seeds.
Maintain consistent moisture and warmth. Allow fruits to fully mature on plant before harvesting. Fruits take 4-6 months to develop fully after flowering.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Increase humidity, spray with water, use neem oil or insecticidal soap if infestation is severe
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Remove with rubbing alcohol on cotton swab, spray with insecticidal soap, apply horticultural oil
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Prune affected branches, scrape off manually, apply dormant oil spray or horticultural oil
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Ensure excellent drainage, avoid overwatering, use well-draining soil, apply fungicide if necessary
Uses
Spice and Flavoring
CulinaryStar anise seeds are essential in Asian cuisine, particularly Chinese and Vietnamese cooking. Used whole or ground in teas, broths, curries, and desserts for their distinctive licorice flavor. [source]
Traditional Medicine
MedicinalUsed in Ayurvedic and Traditional Chinese Medicine to aid digestion, reduce bloating, and soothe respiratory issues. Prepared as teas or infusions. [source]
Beverage Production
CulinaryStar anise is a key ingredient in anise-flavored spirits like pastis and ouzo, and in traditional chai and mulled wine preparations. [source]
Natural Fragrance
HouseholdDried star fruits serve as natural air fresheners and insect deterrents. Used in potpourri and sachets. [source]
Anti-inflammatory Properties
MedicinalContains compounds with antioxidant and anti-inflammatory properties traditionally used to reduce inflammation and support immune function. [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 fruits when they turn reddish-brown and are fully dry, typically 4-6 months after flowering. Pick individual star fruits or allow them to drop naturally. Dry harvested fruits in a warm, airy place for 1-2 weeks until completely hardened. Extract seeds by breaking open dried stars. Store dried fruits or seeds in airtight containers away from light.
Fun Facts
- 🌱 Star anise is one of the components of Chinese five-spice powder and is the primary flavor in the French drink pastis
- 🌱 The plant takes its name from the distinctive star shape of its fruit, which typically has 6-8 pointed arms arranged in a perfect geometric pattern
- 🌱 Germination of star anise seeds is notoriously difficult and slow, often requiring special treatment; some growers soak seeds in warm water or use scarification to improve germination rates
Gardening Terms
New to gardening? Learn about terms used in this guide:
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