Also known as Kundanyoka Knobwood
Knob Wood (Zanthoxylum chalybeum) is a spiny shrub or small tree native to tropical Africa, known for its distinctive bark.
At-a-glance light, water, soil, and growing conditions from plant data
Full Sun to Partial Shade
75% intensity
Prefers at least 6 hours of direct sunlight daily, but can tolerate some shade.
Moderate
50% intensity
Allow soil to dry slightly between waterings, but do not let it become completely dry.
Well-drained
50% intensity
Adaptable
50% intensity
Prefers average room temperatures between 18-24°C. Tolerates cooler temperatures in winter.
Moderate
50% intensity
Feed during the growing season with a balanced fertilizer; reduce or stop in fall and winter.
Safety information from plant toxicity data
| Attribute | Value |
|---|---|
| Toxic for humans | No 0/5 intensity |
| Toxic for pets | No 0/5 intensity |
None
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Water Knob Wood thoroughly when the top 5-10 cm of soil feels dry. Allow excess water to drain to prevent root rot.
Reduce watering frequency during cooler months or when the plant is dormant, but never let the soil become completely parched. Consistent moisture is key during active growth.
Prune Knob Wood to maintain shape, remove dead or diseased branches, and improve air circulation.
Light pruning can be done anytime, but heavier pruning is best performed in late winter or early spring before new growth begins. Use sharp, clean tools to make precise cuts.
Propagate Knob Wood from seeds sown in spring or from semi-hardwood cuttings taken in summer. Seeds may require stratification. Cuttings should be treated with rooting hormone and planted in a well-draining medium.
Patience is required as propagation can be slow.
Repot Knob Wood every 2-3 years or when it becomes root-bound. Use a well-draining potting mix. Choose a pot that is only slightly larger than the current one.
Repotting is best done in early spring before the onset of active growth to minimize stress.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Knob Wood (Zanthoxylum chalybeum)
Where Knob Wood (Zanthoxylum chalybeum) is found
Density
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Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Magnoliopsida |
| Order | Sapindales |
| Family | Rutaceae |
| Genus | Zanthoxylum |
| Species | Zanthoxylum chalybeum |
Similar in genus Zanthoxylum
Answers based on plant encyclopedia data
