Twombly’s Red Sentinel Maple (Acer palmatum 'Twombly’s Red Sentinel') is a compact ornamental tree known for its striking deep red foliage. This cultivar typically reaches a mature height of 10 to 15 feet, making it suitable for smaller landscapes and urban settings. The leaves emerge with vibrant red coloration in the spring, maintaining their rich hue throughout the growing season before transitioning to subtle tones in the fall. Twombly’s Red Sentinel features a graceful, upright growth habit with finely dissected leaves that add texture and interest to garden designs. It thrives in partial shade to full sun and prefers well-drained, acidic soil conditions. This maple is valued for its consistent color and manageable size, making it a reliable choice for nurseries and landscapers seeking a visually appealing and low-maintenance tree option.