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B&Q£9.49Visit shop B&Q - Dwarf Rhododendron Japonica 'williamsianum' Evergreen Garden Shrub (9Cm Pot)
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This guide is for gardeners seeking a compact, attractive evergreen shrub for shaded areas. The Dwarf Rhododendron Japonica 'Williamsianum' offers dense, glossy foliage and a well-suited bushy form for smaller gardens and borders, providing year-round texture and interest. A key consideration is its need for well-drained, acidic soil.
| Model Part Number | Williamsianum |
|---|---|
| Brand | GrowOn Shrubs |
Water regularly, especially during the first year and dry spells. The soil should be kept consistently moist but not waterlogged. Check soil moisture by inserting a finger about an inch deep.
It requires acidic, well-drained soil. Amending heavy clay or sandy soil with organic matter like peat moss or compost is recommended to improve both drainage and acidity.
The ideal planting times are in spring or early fall, allowing the plant to establish its roots before extreme summer heat or winter freezes.
Pruning is minimal. It's best to prune only to remove dead, damaged, or crossing branches. This can be done anytime, but after flowering is a good time to shape if needed.
Yes, its compact size makes it excellent for container gardening. Use a large pot with drainage holes and a quality potting mix formulated for acid-loving plants.
Overwatering can lead to yellowing leaves and root rot, characterized by a perpetually soggy soil and potentially a foul odor from the root ball.
This can indicate alkaline soil or poor drainage. Test soil pH and amend with acidic compost or sulfur if necessary. Ensure adequate drainage.
Often caused by either overwatering (leading to root rot) or underwatering. Check soil moisture and adjust watering accordingly. Ensure good drainage.
Result of too much direct sun or wind exposure. Relocate to a shadier, more protected spot or provide temporary shading during hot periods.
May be due to insufficient nutrients or incorrect soil pH. Fertilize with an acid-loving plant fertilizer in spring and ensure soil is acidic.
Setup: Choose a location with partial to full shade. Ensure the planting site has well-drained soil. Dig a hole twice the width of the root ball and just as deep. Gently remove the plant from its container, loosen any circling roots, and place it in the hole. Backfill with soil, ensuring the top of the root ball is level with the surrounding ground.
Compatibility: This rhododendron variety performs best when planted alongside other acid-loving plants such as azaleas, ferns, and heathers. Avoid planting in areas prone to strong winds or intense afternoon sun, which can scorch the leaves.
Care: Water regularly, especially during establishment and dry periods, but avoid waterlogged conditions. Amend the soil with organic matter to improve drainage and acidity. Apply a layer of mulch around the base to conserve moisture and suppress weeds, keeping it a few inches away from the trunk. Prune only to remove dead, damaged, or crossing branches; this is typically done after flowering.
