Acer palmatum ‘Aoyagi gawa’ – A small upright cultivar somewhat similar to ‘Koto no Ito’ with thin-lobed green leaves. The variety name translates as ‘coral green river’, a reference to the gold to coral-orange autumn colours. ‘Aoyagi gawa’ is a good choice for smaller urban gardens or for use in containers. Grows 6′ high by 3-4′ wide in 10 years. Hardy to zone 5.
Acer palmatum ‘Beni komachi’ – With a name that translates as ‘beautiful red-haired little girl’, this semi-dwarf cultivar lives up to its reputation with new growth that is a bright crimson. The foliage shifts to green with red edges in summer and reverts to scarlet in the fall. It is best situated with afternoon sun and requires well drained soil. Grows 10′ high by 6-7′ wide. Hardy to zone 5.
Acer palmatum ‘Skeeter’s Broom’ – This witches broom (a sport of ‘Bloodgood’) was discovered by Ed Skeeter of Pennsylvania and features an upright growth habit with dense branching. The new growth is bright red, deepening to a greenish-burgundy by summer and reverting to red in the fall. A good choice for containers. Grows 6-8′ high by 3-4′ wide in 10 years. Zone 5.
Acer palmatum ‘Tama hime’ – A dwarf cultivar with an upright vase-shaped growth habit. The leaves emerge a bright green (often with orange edges or tips) and get more glossy with age – shifting to yellow and orange in autumn. The name translates as ‘small globe’ and its dense growth habit makes it a good bonsai specimen. Grows 2′ high by 4′ wide in 10 years. Zone 5.
Acer palmatum var dissectum ‘Otto’s Dissectum’ – A constantly changing weeping Japanese maple with leaves that emerge a greenish-orange with red highlights, fading to a beautiful bronze (shown here) and maturing to green by summer. These shift to bright orange and red in the fall. Best grown with some afternoon sun. Grows 4′ high by 5′ wide in 10 years. Hardy to zone 5.