Description
Acer palmatum 'Stella Rossa' | Japanese maple
Japanese maple Acer palmatum 'Stella Rossa' is a compact cultivar of Acer palmatum with a naturally upright and bushy habit. This deciduous Japanese maple reaches an eventual height of approximately 150 cm. Its main attraction is the prominent red to dark red foliage, which gives the plant a strong presence from spring through the growing season. In autumn, the foliage can develop attractive orange tones, adding a further seasonal change. The compact form makes this Japanese red maple suitable for containers, patios, borders and specimen planting. It can bring colour and structure to a smaller garden without introducing a separate trained tree form. The plant is best placed in a sheltered position, as it needs protection from harsh wind and drying out. This is especially useful to consider in exposed UK gardens and on open patios. Its ornamental value comes mainly from the foliage and the clear, upright silhouette rather than from flowering. Small flowers may appear, but they are not the central feature. As a shrub from the acer genus, 'Stella Rossa' offers a compact way to add red foliage to a container display, a border or a Japanese-style garden.
Key features of Japanese maple (Acer palmatum 'Stella Rossa')
- Red foliage and autumn colour: The deciduous foliage is red to dark red and forms the main ornamental feature. In autumn, the colour can develop orange tones, giving the shrub an attractive seasonal change. Its upright, compact and bushy growth reaches approximately 150 cm.
- Flowering: Flowering is not the main reason to grow this Japanese maple. Small red to purplish-red flowers can appear in May, but the foliage remains the primary attraction and gives the plant its strongest visual effect.
- Aspect and shelter: Choose partial shade or sun, with a sheltered position preferred. The plant is sensitive to harsh wind and should be protected from exposed sites. It also benefits from protection against drying out, which is important on open patios and in other exposed UK garden locations.
- Soil requirements: The preferred soil is humus-rich, well drained and slightly moist. Slightly acidic to neutral soil is suitable. Keep the soil consistently lightly moist, while avoiding waterlogging and stagnant moisture. An open, well-drained soil supports better growing conditions.
- Containers and garden settings: The compact habit makes this plant suitable for container plants, patios and terraces, as well as borders and specimen planting. A container can also help place the shrub in a sheltered position where its red foliage can be viewed clearly.
Uses of Japanese maple Acer palmatum 'Stella Rossa' in the garden
- Specimen planting: The compact, upright and bushy silhouette gives this Japanese maple a clear presence when planted as a specimen. Its red foliage creates a strong accent without needing a formal trained shape. This makes it suitable for smaller gardens and carefully planned planting areas.
- Containers and patios: Acer palmatum 'Stella Rossa' works well as a Japanese maple for pots or as a feature on a patio. The compact height of approximately 150 cm allows the foliage colour to remain visible at close range. Place the container in a sheltered position and avoid conditions where the plant can dry out.
- Borders and Japanese-style gardens: In a border, the shrub adds colour and structure among plants that suit a sheltered, humus-rich and well-drained position. It also fits naturally into Japanese-style planting, where its compact form and red foliage can provide a focused visual accent.
- Plant combinations: Combine it with broad groups of shade-tolerant or Japanese-style planting companions, ornamental grasses or low border plants. Choose plants that appreciate similar sheltered conditions and soil that remains lightly moist without becoming waterlogged. No specific companion plant is required for its ornamental effect.
- Hardiness: The plant is hardy to approximately -28.9°C to -23.3°C, equivalent to USDA zone 5. This figure is informative rather than a guarantee for every UK microclimate. A sheltered position remains important, especially where harsh wind or drying conditions occur.
The striking red to dark red foliage, possible orange autumn colour and compact upright bushy habit make this Japanese maple a colourful specimen for a container, patio, border or Japanese-style garden.