Nicotiana knightiana
Care, watering, light and tips for Nicotiana knightiana on Floravia.
Quick facts
- Family: Solanaceae
- Difficulty: Moderate care
- Watering: every 7 days
- Light: Full sun
- Temperature: 10–35 °C
- Toxicity: Toxic to pets
About Nicotiana knightiana
Nicotiana knightiana, commonly known as trumpettobak, is an annual or biennial plant from the Solanaceae family, native to South America. It is characterized by its large, velvety leaves and spectacular tubular, cream to greenish-yellow flowers that open at dusk, releasing a sweet fragrance. It is ideal for flower beds, borders, or as a focal point in naturalistic or night gardens.
Native range
Andes of Peru and Bolivia
Care tips
It prefers full sun to light partial shade and well-drained soil rich in organic matter. Watering should be regular, keeping the substrate moist but not waterlogged, especially during flowering. Avoid excessive nitrogen fertilization, which can promote foliage at the expense of flowers. A common mistake is not providing enough space, as it can grow quite large.
How to save a dying Nicotiana knightiana
- Warning signs
- Yellow or wilting leaves, soft stems, stunted growth.
- First aid
- Check drainage and substrate aeration. Ensure full sun and moderate watering.
- What kills it
- Overwatering and shade, leading to root rot and mold.
- Can it be saved?
- Yes, if you act quickly to correct watering and sun exposure.