Botanical profile

Acer palmatum Twombly's Red Sentinel

Latin name
Acer palmatum 'Twombly’s Red Sentinel'
Common name
Japanese maple 'Twombly’s Red Sentinel'
Type
TREE
Family
Sapindaceae

Acer palmatum ‘Twombly’s Red Sentinel’, also known as 'Twombly’s Red Sentinel' Japanese maple, is a unique variety due to its naturally columnar habit, which is rare among Japanese maples. It develops deep purple, glossy foliage in spring, which remains stable in summer before blazing bright red in autumn. Its upright and narrow form makes it perfect for restricted spaces, informal hedges, or structured compositions in formal gardens. It adds verticality, color, and elegance to the landscape, while maintaining moderate and well-balanced growth. It thrives in fresh, well-drained soil, with gentle and bright exposure, sheltered from scorching winds. 'Twombly’s Red Sentinel' is an architectural maple with a strong character, while being easy to grow in Quebec conditions.

Care guide

Growing conditions

Light, soil, water and hardiness

Hardiness zone
Zone 5
Exposure
Sun to partial shade
Watering
Regular watering
Fertilization
Slow-release fertilizer 14-7-14 or 4-2-8. Fertilize monthly or as directed on the bag. Not recommended - use Bionik rooter or bone meal.
Soil type
Slightly acidic, rich and well-drained
Minimum temperature
'-28°C
Plant appearance

Blooming, foliage and shape

Blooming period
Spring
Flower color
Red
Fruiting
Red samaras, barely visible
Foliage color
Red
Foliage type
Obsolete
Shape
Columnar
Garden structure

Size and growth

Height
3 to 4 m (10 to 13 feet)
Width
2.5 m (8 feet)
Growth rate
average
Pet friendly
Safe for pets

Pets

Pollinators
Attracts or supports pollinating insects

Pollinators

The availability of our plants varies depending on arrivals, seasons, nursery production and supplier availability. Some varieties may be offered for a limited time only, depending on their natural cycle or current stock. These plant profiles are designed to guide and inspire you when choosing plants for the garden, landscaping projects, containers or long-lasting outdoor arrangements.