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Description
Cytisus Scoparius Luna, commonly known as Scotch broom, is a deciduous shrub that belongs to the Fabaceae family. It is native to Europe but has been introduced to other parts of the world, including North America. The plant grows up to 6 feet tall and 8 feet wide and has a sprawling habit. It produces beautiful bright yellow flowers in late spring to early summer, which are followed by seed pods that remain on the plant throughout the winter.
Taxonomic Information
| Domain | Eukarya |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Fabales |
| Family | Fabaceae |
| Genus | Cytisus |
Appearance
The leaves of the Cytisus Scoparius Luna are small, green, and trifoliate. They grow alternately along the stem and are about 1 inch in length. The flowers are bright yellow and pea-shaped, about 1 inch long, and grow in clusters at the tips of the branches. The plant blooms in late spring to early summer and produces seed pods that remain on the plant throughout the winter. The bark of the plant is brown and smooth when young but becomes rough with age.
Care Guide
Cytisus Scoparius Luna is a low-maintenance plant that requires minimal care. Here are some tips for caring for this plant:
- Water: Water the plant regularly, especially during the first year after planting, to establish a deep root system. Afterward, the plant can tolerate some drought.
- Fertilization: Fertilize the plant once a year in the spring with a balanced fertilizer. Avoid over-fertilizing, as it can lead to weak growth and reduced flowering.
- Soil: Plant the Cytisus Scoparius Luna in well-draining soil that is slightly acidic to neutral. The plant can tolerate poor soil but prefers moist, well-draining soil.
- Sunlight: Plant the Cytisus Scoparius Luna in full sun to partial shade. The plant requires at least 6 hours of direct sunlight per day to flower well.
- Hardiness Zones: The plant is hardy in USDA zones 6 to 8.
Common Pests & Diseases
The Cytisus Scoparius Luna is susceptible to several pests and diseases, including:
- Spider mites: These pests can cause yellowing, stippling, and webbing on the leaves. Use insecticidal soap or neem oil to control them.
- Caterpillars: Caterpillars can eat the leaves and flowers of the plant. Use Bacillus thuringiensis or handpick them to control them.
- Fungal diseases: The plant is susceptible to several fungal diseases, including root rot, powdery mildew, and rust. Avoid overhead watering and improve air circulation to prevent these diseases.
Habitat
The Cytisus Scoparius Luna is native to Europe but has been introduced to other parts of the world, including North America. It is commonly found in open woods, fields, and along roadsides. The plant prefers well-draining soil and full sun to partial shade.
Question and Answer
Q: Is Cytisus Scoparius Luna invasive?
A: Yes, the plant is considered invasive in some areas, including parts of North America. It can outcompete native plants and reduce biodiversity.
Q: Can Cytisus Scoparius Luna grow in containers?
A: Yes, the plant can grow in containers, but it requires regular watering and fertilization.
Q: How often should I prune my Cytisus Scoparius Luna?
A: Prune the plant after flowering to maintain its shape and to remove any dead or diseased wood. Avoid heavy pruning, as it can reduce flowering.
Q: Can Cytisus Scoparius Luna be propagated from cuttings?
A: Yes, the plant can be propagated from softwood or hardwood cuttings taken in the summer or fall.
Related Plants
- Cytisus scoparius
- Cytisus x praecox
- Cytisus battandieri
- Cytisus purpureus
References
- Dirr, M. A. (2011). Dirr’s Encyclopedia of Trees and Shrubs. Timber Press.
- Martin, C. A. (2018). Scotch Broom (Cytisus scoparius). Invasive Species Compendium.
- Missouri Botanical Garden. (n.d.). Cytisus scoparius ‘Luna’.
