Cytisus 'Ruby' is a cultivar of the Cytisus genus, commonly known as broom. It is a deciduous shrub that is prized for its striking, bright red-pink flowers and attractive, finely textured green foliage. Here are some key characteristics of the Cytisus'Ruby'plant:

1. Growth Habit: Cytisus'Ruby'typically grows as a compact, mounding shrub that can reach a height of 3 to 5 feet (0.9 to 1.5 meters) and has a similar spread. It has an upright and bushy growth habit.
2. Foliage: The plant features small, needle-like, green leaves. The leaves are typically trifoliate, meaning they are arranged in clusters of three leaflets along the stems.
3. Flowers: The most notable feature of Cytisus'Ruby'is its vibrant red-pink, pea-like flowers. These flowers are typically produced in dense clusters along the branches and create a stunning display during the spring and early summer. The bloom period is relatively short but very eye-catching.
4. Sunlight Requirements: Cytisus'Ruby'thrives in full sun to light shade. It prefers well-drained soil and is relatively drought-tolerant once established.
5. Maintenance: This plant is relatively low-maintenance and does not require heavy pruning. However, you can trim it back after flowering to shape and control its size. Pruning can also help to encourage more compact growth and a fuller appearance.
6. Hardiness: Cytisus'Ruby'is typically frost hardy in New Zealand winters.
7. Landscape Use: This shrub can be used in a variety of landscaping applications. It works well as a focal point in a garden bed, in mixed borders, or even in a rock garden. Its vibrant flowers add color and visual interest to the landscape.
8. Soil: It prefers well-draining soil and can tolerate a range of soil types but does best in slightly acidic to neutral soil.
9. Pest and Disease Resistance: Cytisus'Ruby'is generally not highly susceptible to pests or diseases. However, like many plants, it may be vulnerable to issues like aphids or scale insects, which can be managed through proper care and pest control measures.