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Vietnamese Coriander

Persicaria odorata

herb

verifiedReviewed by the GreenScout Team

A tender, leafy herb with narrow, lance-shaped leaves and a distinctive peppery-cilantro flavor, reaching 12–18 inches tall. Commonly used in Vietnamese, Thai, and Southeast Asian cuisine in fresh salads, soups, and as a garnish, Vietnamese coriander is best grown as a warm-season annual or indoor potted plant. It requires warm temperatures and consistent moisture to thrive.

Common Problems

Select the problem your Vietnamese Coriander is experiencing to get a treatment guide.

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Wiltingchevron_right

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Brown Tipschevron_right

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Yellow Leaveschevron_right

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Underwateringchevron_right

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Dropping Leaveschevron_right

Care Guide

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Light

Bright, indirect light or partial sun; prefers 4–6 hours of sunlight; can tolerate some afternoon shade in hot climates.

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Water

Keep soil consistently moist (not waterlogged); this herb prefers humid, boggy conditions and wilts quickly in dry soil.

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Soil

Rich, well-draining soil with high organic matter; prefers slightly acidic pH (6.0–6.8).

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Fertiliser

Feed every 2–3 weeks during growing season with balanced fertilizer (10-10-10) to support lush foliage.

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Temperature

Tender tropical herb; thrives at 70–80°F; decline and die back below 50°F.

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Humidity

High humidity essential; mist regularly or grow in humid conditions; low humidity causes wilting and leaf drop.

Toxicity

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Non-toxic; all foliage is edible and safe for consumption.

Common Diseases

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Common Pests

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Seasonal Care

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Resume regular watering and feeding as growth picks up.

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Peak growing season. Water and feed regularly.

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Reduce watering as growth slows. Stop heavy feeding.

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Minimal watering and feeding. Protect from frost if needed.

Frequently Asked Questions

Is Vietnamese Coriander related to regular coriander?

Not botanically — despite the shared name and peppery-cilantro flavor, it's a different plant entirely, best grown as a warm-season annual or indoor potted plant rather than the cool-season Coriandrum sativum.