Also known as Yaku Rhododendron · Yakushima Rhododendron
Safety note: This plant may be toxic to humans and pets. See toxicity details.
Yakushima Rhododendron (Rhododendron yakushimanum) offers compact growth, masses of exquisite pink to white flowers in spring, and attractive foliage. A superb specimen f
At-a-glance light, water, soil, and growing conditions from plant data
Partial Shade Preferred
75% intensity
Prefers dappled shade or morning sun with protection from harsh afternoon sun.
Consistent Moisture Required
75% intensity
Maintain evenly moist soil, avoiding extremes of dryness or sogginess.
Acidic, well-drained, humus-rich
50% intensity
Hardy
50% intensity
Tolerates a range of temperatures but prefers cooler climates and protection from extreme heat.
Acid-Loving
50% intensity
Use fertilizers formulated for acid-loving plants, applied in spring.
Safety information from plant toxicity data
| Attribute | Value |
|---|---|
| Toxic for humans | Yes 3/5 intensity |
| Toxic for pets | Yes 3/5 intensity |
| Edible | No |
Toxic if ingested
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Keep Rhododendron yakushimanum consistently moist, but not waterlogged. Water deeply when the top 2-3 cm of soil feels dry.
Avoid letting the roots dry out completely, especially during hot or dry periods, and ensure good drainage to prevent root rot.
Prune Rhododendron yakushimanum immediately after flowering to shape the plant and remove any dead, damaged, or crossing branches. Avoid heavy pruning, as it can reduce flower production for the following year.
Pinching off spent blooms also encourages better flowering.
Propagate Rhododendron yakushimanum from semi-hardwood cuttings taken in mid-summer. Select healthy shoots, take cuttings of about 10-15 cm, and dip the base in rooting hormone.
Plant in a well-draining, moist medium in a propagator or covered pot with bottom heat.
Repot Rhododendron yakushimanum every 2-3 years, or when it becomes root-bound. Use a well-draining, acidic potting mix. Ensure the new pot is only slightly larger than the current one.
Water thoroughly after repotting and place in a shaded location for a few weeks.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Rhododendron Degronianum (Rhododendron yakushimanum)
Where Rhododendron Degronianum (Rhododendron yakushimanum) is found
Density
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Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Magnoliopsida |
| Order | Ericales |
| Family | Ericaceae |
| Genus | Rhododendron |
| Species | Rhododendron yakushimanum |
Similar in genus Rhododendron
Answers based on plant encyclopedia data
