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Acer ‘Red Sentinel’ – deciduous ornamental tree or large shrub with deep red-purple leaves on a narrow, upright maple. Grows to about 2m x 1m, ideal for patio pots and Japanese-style and woodland gardens. UK nursery-grown at St Annes, supplied in a 3L pot.
| Pot Size (L) | 3L |
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Buy Acer ‘Red Sentinel’ online from our UK nursery. Red Sentinel is an upright, narrow Japanese maple with deep red-purple palmate leaves. Its compact, columnar shape makes it ideal where space is limited, such as a narrow border or a patio container, and it turns bright red in autumn.
Japanese maples are prized for their elegant shape and their foliage, which changes through the year from fresh spring shades to vivid autumn colour. Most stay compact and grow slowly, making them some of the best small trees for patios, courtyards and smaller gardens.
Acer ‘Red Sentinel’ grows best in dappled shade or morning sun, sheltered from cold drying winds, in moist but free-draining, slightly acidic to neutral soil. Pick a spot sheltered from strong, cold or drying winds and the hottest afternoon sun, which can scorch the delicate leaves. Add plenty of organic matter and avoid heavy, waterlogged clay. It is a good choice for patio pots, and also works well for Japanese-style and woodland gardens, specimen planting and Japanese-style gardens. Underplant with ferns, hostas, Japanese forest grass and spring bulbs, or set it among dwarf conifers and azaleas for an oriental look.
Before planting, soak the root ball in a bucket of water. Prepare a hole about twice the width of the pot, fork over the bottom and add organic matter. Plant at the original soil level, firm the soil around the roots and give it a generous drink.
Keep the roots evenly moist, especially in the first two summers and for plants in pots. Mulch each spring with leafmould or bark. Feed sparingly with a slow-release fertiliser; overfeeding produces soft, weak growth. Water well in dry spells, mulch each spring and prune only lightly in winter. Container growing suits it well. Japanese maples need very little pruning. If shaping is needed, do it in late autumn or winter when the tree is dormant, removing only dead, crossing or badly placed branches. Leaf scorch from wind, sun or dry roots is the most common issue; aphids can occasionally affect young shoots.
Ideal for containers: use a loam-based compost with added grit, raise the pot on feet for drainage, and water with rainwater where possible.
Our plants are nursery-grown at St Annes in North West England, raised outdoors and in tunnels in real UK weather rather than a hothouse, so they arrive healthy, acclimatised and well rooted. This Acer ‘Red Sentinel’ is supplied in a 3L pot. Container-grown plants can be planted almost all year round, as long as the ground is not frozen or waterlogged; autumn and spring are ideal.
How big does Acer ‘Red Sentinel’ grow?
Acer ‘Red Sentinel’ typically reaches 2m x 1m (slow-growing), depending on position, soil and pruning.
When does Acer ‘Red Sentinel’ look its best?
Its main season of interest is spring foliage and autumn colour, when it shows deep red-purple leaves on a narrow, upright maple.
Is Acer ‘Red Sentinel’ hardy?
Fully hardy, though the new spring growth can be damaged by late frosts and cold winds.
How do I prune Acer ‘Red Sentinel’?
Japanese maples need very little pruning. If shaping is needed, do it in late autumn or winter when the tree is dormant, removing only dead, crossing or badly placed branches.
Can Acer ‘Red Sentinel’ grow in a pot?
Yes. Japanese maples are among the best small trees for containers. Use a loam-based compost, water regularly and repot every few years.
Add Acer ‘Red Sentinel’ to your basket today and enjoy spring foliage and autumn colour interest in your garden.
| Pot Size (L) | 3L |
|---|
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