Water
Water consistently to maintain moist soil, particularly during the growing season and when flowering. Avoid waterlogged conditions.
Rhamphospermum nigrum, commonly known as Black Mustard, is an annual herb grown for its edible seeds and oil. It features lobed leaves, yellow flowers, and upright growth.
At-a-glance light, water, soil, and growing conditions from plant data
Full sun.
100% intensity
Requires at least 6-8 hours of direct sunlight daily.
Keep soil consistently moist.
70% intensity
Water regularly, especially during dry spells.
Prefers well-drained, fertile soil. Tolerates a range of soil types.
50% intensity
Warm conditions.
70% intensity
Ideal growing range is 15-25°C.
Outdoor
50% intensity
Moderate feeding.
60% intensity
Apply balanced fertilizer during growing season.
Safety information from plant toxicity data
| Attribute | Value |
|---|---|
| Toxic for humans | No 0/5 intensity |
| Toxic for pets | No 0/5 intensity |
| Edible | Yes |
Seeds and oil are edible. Other parts are not typically consumed.
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Water consistently to maintain moist soil, particularly during the growing season and when flowering. Avoid waterlogged conditions.
Pruning is generally not required for this annual herb. Remove any dead or damaged foliage if necessary to maintain plant health.
Propagated by seeds sown directly into the garden in spring after the last frost. Seeds germinate quickly in warm soil.
Not applicable as this is an annual plant grown directly in the ground or in large containers.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Where Black Mustard (Rhamphospermum nigrum) is found
Density
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Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Magnoliopsida |
| Order | Brassicales |
| Family | Brassicaceae |
| Genus | Rhamphospermum |
| Species | Rhamphospermum nigrum |
Answers based on plant encyclopedia data