Bottlebrush Red Cluster

Bottlebrush 'Red Cluster' (Callistemon citrinus 'Red Cluster')

Common Names: 'Red Cluster' Bottlebrush, Crimson Bottlebrush.

Best Growing Environment: Bottlebrush 'Red Cluster' flourishes in well-draining soil. It has a preference for sandy or loamy soils but can adapt to other types as long as drainage is good. This plant can also tolerate saline conditions, making it suitable for coastal gardens.

Average Height: The 'Red Cluster' Bottlebrush generally grows to a height of 6 to 10 feet, with a similar spread. Some cultivars might be smaller, depending on their specific variety.

Growth Rate: This Bottlebrush variety exhibits a moderate to fast growth rate, depending on the environmental conditions.

Sun Requirements: Full sunlight is ideal for the 'Red Cluster' Bottlebrush. A minimum of six hours of direct sunlight each day will ensure its vibrant red blooms are profuse and lively. However, it can also tolerate partial shade.

Cold Hardiness: The 'Red Cluster' Bottlebrush is fairly hardy, suitable for USDA zones 8-11. In the cooler parts of its range, it's beneficial to protect it from frost, especially when the plant is young.

Water Requirements: Once established, the 'Red Cluster' Bottlebrush is quite drought-tolerant. However, during its initial growth stages or in extended dry periods, regular watering is advisable. As with many plants, it's crucial not to let the roots sit in waterlogged conditions.

Fertilizing Guide: In spring, an all-purpose slow-release fertilizer can benefit the 'Red Cluster' Bottlebrush. For plants in poor soils, a more regular feeding schedule, perhaps every two months during the growing season, might be necessary. Compost or organic mulch can also be added around the base to enrich the soil and retain moisture.

Planting Guide: When planting, dig a hole twice the width of the plant's root ball and just as deep. Ensure the plant is positioned at the same depth as it was in its pot. Fill the hole, firm down the soil, and water thoroughly. If planting multiple shrubs, maintain a spacing of about 5-8 feet to accommodate mature growth.

USDA Zone: The 'Red Cluster' Bottlebrush is best grown in USDA zones 8-11.

Characterized by its vibrant red, brush-like flowers that look like traditional bottle brushes, the 'Red Cluster' Bottlebrush is a favorite among gardeners for its year-round visual interest. Not only does this plant brighten up the garden with its spectacular blooms, but it also attracts a plethora of wildlife, from bees and butterflies to hummingbirds. For optimal growth, it's essential to prune older branches in the spring, which encourages fresh growth and better flowering in the subsequent season.