Warminster broom
Cytisus praecox · Fabaceae
⚠️ Cytise : graines, fleurs et feuilles contiennent cytisine (alcaloïde). Ingestion cause vomissements, diarrhée, tremblements chez chats, chiens, enfants.
The gardener's calendar
In autumn, ease off feeding and take the chance to clean up around warminster broom and prepare for winter.
ID card
- Foliage
- Deciduous
- Blooming
- March to May, golden yellow flowers
- Adult height
- 1.5 to 2 m
- Adult width
- 1.5 to 2 m
- Growth
- Fast
- Hardiness
- Down to approximately -15 °C
- Soil type
- Well-drained, poor to moderate
- Origin
- Mediterranean, southwestern Europe
✓ Taxonomy verifiedSource: AI estimate · hardiness: reliability medium.
Expert tips
The key tip
Cytisus praecox branches naturally but tolerates hard pruning poorly (sap bleeding). Prune only if branches are diseased or crossing, just after flowering.
The common mistake
Hard pruning in February often weakens the plant, which empties out in spring.
The pro's trick
Plant with young healthy rootstock: long-term container-grown specimens are less reliable.
Care
Exposure
Golden cytisus demands a position in full sun to bloom generously. Install it in a location receiving 6 to 8 hours of direct sunlight daily. Partial exposure reduces flowering and weakens the plant.
Watering
Moderate watering: this Mediterranean plant tolerates drought well once established. Water regularly the first year after planting, then gradually reduce applications. In dry climates or in pots, monitor soil moisture without allowing water to stagnate.
Soil
Cytisus prefers well-drained soil, even poor and chalky. Absolutely avoid heavy, clayey or constantly moist soils, which cause root rot. Adding sand or gravel at planting time improves drainage.
Pruning and training
Prune lightly after flowering (May-June) to maintain a beautiful compact shape and stimulate branching. Remove dead or poorly placed branches. Avoid severe pruning: this plant heals poorly on old wood.
Fertilizer
Cytisus is not demanding in nutrients. A balanced fertilizer application in spring is sufficient. As a member of the Fabaceae family, it partially fixes atmospheric nitrogen, requiring no excessive applications.
Diseases and pests
Generally robust, cytisus may suffer from powdery mildew in overly humid or shaded conditions. Promote air circulation and avoid foliage moisture. Watch for aphids in spring, treatable with soapy water misting if necessary.
Did you know?
Golden cytisus was long used in the Mediterranean for its dyeing properties: its flowers gave a brilliant yellow tint to fabrics. A symbol of spring in ancient Greece, it is also called "broom" in reference to its historical use in making brooms, although Cytisus praecox is less dense than its cousins exploited for this purpose.
Where to buy it
Best planted in autumn so the roots settle in before summer, or in early spring once the frost has passed. Pick a plant with healthy foliage and roots that are not exposed. Best time: March, October, November.
Add this plant to my garden →Plants from the same family
- Chinese wisteriaWisteria sinensis
- Common broomCytisus scoparius
- Black locustRobinia pseudoacacia
- Common PeaLathyrus oleraceus
- Honey locustGleditsia triacanthos
- Hairy greenweedGenista pilosa
Tips generated and checked by Viridia — adapt them to your local climate.