Crackopen
Casearia sylvestris · Salicaceae
The gardener's calendar
In autumn, ease off feeding and take the chance to clean up around crackopen and prepare for winter.
ID card
- Foliage
- Evergreen
- Flowering
- Spring to summer (small inconspicuous flowers)
- Adult size
- 2 to 4 m in height
- Growth
- Fast to moderate
- Hardiness
- Sensitive to cold (tropical to subtropical climate)
- Origin
- Central and South America
- Soil type
- Well-drained, fertile
- Exposure
- Sun to partial shade
Care
Regular watering
Keep the soil moist but not waterlogged, especially during active growth and warm periods. Reduce watering in winter or during cool conditions. Allow the soil surface to dry slightly between waterings to prevent root rot.
Light exposure
Place Casearia sylvestris in sun or partial shade depending on your climate: in warm regions, partial shade protects from intense sun; in temperate climates, favor direct sunlight to promote growth. Avoid dense shade which slows vigor.
Soil preparation and quality
Use a substrate rich in organic matter and well-drained. Enrich the soil at planting with compost or peat. A slightly acidic to neutral pH is ideal for good nutrient assimilation.
Balanced fertilization
Apply a balanced fertilizer in spring and summer, every 2 to 3 months, to support growth. Reduce or stop fertilizing in fall-winter. A slow-release fertilizer minimizes the risk of nutrient overload.
Pruning and trimming
Practice light pruning after flowering to maintain a compact shape and improve canopy air circulation. Remove diseased or weak branches to promote overall vigor. Heavy pruning can weaken the plant.
Health monitoring
Regularly inspect foliage and stems for scale insects or spider mites, particularly indoors. Improve air circulation and moderate humidity to prevent fungal issues. Remove damaged leaves promptly.
Did you know?
Casearia sylvestris, called 'espinheira-santa' in Brazil, has been traditionally used in herbal medicine for centuries by local populations for its supposed beneficial properties. Its name 'sylvestris' (of the forests) reflects its natural habitat in the understory of tropical America, where it grows as a resilient small shrub and a useful plant in the local ecosystem.
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.
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Tips generated and checked by Viridia — adapt them to your local climate.