Nicotiana

Nicotiana alata

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verifiedReviewed by the GreenScout Team

Nicotiana is a tender annual flowering plant prized for its fragrant tubular flowers that open in the evening and release sweet perfume. The plants grow 1–4 feet tall depending on variety, with soft green foliage and blooms in white, pink, red, or purple. They are excellent for cottage gardens, borders, and cut-flower arrangements.

Common Problems

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

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Yellow Leaveschevron_right

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Wiltingchevron_right

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Leggy Growthchevron_right

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Overwateringchevron_right

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Slow Growthchevron_right

Care Guide

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Light

Full sun to part shade; prefers 6+ hours of direct sunlight daily for best flowering

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Water

Keep soil consistently moist but not waterlogged; water at the base to avoid wetting foliage

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Soil

Well-draining, fertile soil rich in organic matter; pH 6.0–7.0

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Fertiliser

Apply balanced fertilizer (10-10-10) every 3–4 weeks or use slow-release granules at planting

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Temperature

Prefers warm conditions; optimal range 65–80°F; frost-sensitive

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Humidity

Average humidity; good air circulation reduces fungal issues

Toxicity

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All parts contain alkaloids and are toxic if ingested; can cause gastrointestinal upset and neurological effects

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

Why does my Nicotiana smell strongest at night?

Its tubular flowers open in the evening and release sweet perfume specifically to attract night-flying pollinators like moths — the fragrance is much fainter during the day.

Is Nicotiana safe to have around pets?

No — all parts contain alkaloids and are toxic if ingested, potentially causing gastrointestinal upset and neurological effects, so keep it away from pets and children.