Attractive Flowers
Produces showy white to pinkish-white flowers with prominent purple-tinted stamens that create an attractive ornamental display.
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Capparis spinosa, commonly known as Caper Bush or Common Caper, is a perennial, spreading shrub admired for its attractive white to pinkish-white flowers and rounded green foliage. Native to Mediterranean and surrounding regions, this plant grows well in sunny locations with dry, rocky, or sandy soil. Its unopened flower buds are traditionally harvested as capers, while its mature fruits are known as caper berries. It can add ornamental interest to rock gardens, dry landscapes, and suitable container plantings.
Produces showy white to pinkish-white flowers with prominent purple-tinted stamens that create an attractive ornamental display.
Unopened flower buds are traditionally harvested and preserved as capers for culinary use.
Develops well in sunny locations with dry, rocky, sandy, and well-drained soil conditions.
Features trailing and spreading branches with rounded, fleshy green leaves, making it suitable for selected rock gardens and dry landscapes.
| Scientific Name | Capparis spinosa |
| Common Name | Caper Bush; Common Caper; Flinders Rose |
| Plant Family | Capparaceae |
| Seed Type | Flowering Shrub Seeds |
| Plant Type | Perennial Shrub |
| Growth Habit | Spreading, Trailing, and Shrubby |
| Flower Color | White to Pinkish-White with Purple Stamens |
| Flower Shape | Four-Petaled Flowers |
| Flowering Season | Late Spring through Early Autumn, depending on climate |
| USDA Hardiness Zones | Generally Zones 8–10; varies by plant population and local conditions |
| Planting Season | Spring or Early Summer |
| Sowing Season | Spring; indoor starting can be adjusted to local conditions |
| Sowing Months | February–April indoors, depending on climate |
| Seed Preparation | Soak in warm water for approximately 24–72 hours; dried seeds may require scarification or cold stratification |
| Sowing Depth | Approximately 0.5–1 cm, depending on seed size and supplier instructions |
| Germination Time | Approximately 25–90 days or longer; germination can be irregular |
| Germination Temperature | Approximately 18–24°C (64–75°F) |
| Sunlight Requirements | Full Sun |
| Soil Requirements | Well-drained, sandy, rocky, or calcareous soil |
| Soil pH | Approximately 6.5–8.0; adaptable to suitable soil conditions |
| Watering | Regular moisture during establishment; limited watering after establishment |
| Mature Plant Height | Approximately 0.5–1 metre, depending on growing conditions |
| Mature Plant Spread | Approximately 0.5–1 metre or more, depending on growing conditions |
| Plant Spacing | Approximately 90–120 cm for spreading plants |
| Garden Uses | Rock Gardens, Dry Landscapes, Containers, and Mediterranean Gardens |
Capparis spinosa brings Mediterranean character to sunny gardens with its attractive flowers, rounded foliage, and spreading growth habit. Its ability to grow in dry, well-drained soil makes it suitable for rock gardens, containers, and warm landscape settings. With proper seed preparation and growing conditions, you can establish this distinctive perennial shrub in your garden.
Find helpful answers about Caper Bush seed germination, flowering, and growing requirements.
Soak Capparis spinosa seeds in warm water for approximately 24–72 hours before sowing. Dried seeds may need scarification or cold stratification because of their hard seed coats. Sow them in a well-drained growing medium and maintain suitable warmth and moisture. Germination can be slow and irregular, sometimes taking several weeks or longer.
Yes. Capparis spinosa can be grown in a container with drainage holes and a loose, gritty, well-drained growing medium. Choose a sunny location and use a sufficiently deep pot to accommodate its developing root system. Water during establishment and avoid keeping the soil continuously wet.
Capers are the unopened flower buds of Capparis spinosa. Harvest the buds while they are still closed, before the flowers open. They are commonly preserved in salt or pickling brine for culinary use. The plant also produces elongated fruits known as caper berries, which can be harvested separately when mature.