Christmas cherry, Winter cherry, Madeira winter cherry, Toy cherry
Solanum pseudocapsicum, commonly known as Jerusalem cherry, is a compact, short-lived evergreen shrub prized for its bright, cherry-like berries that persist through winter. Plants typically reach 30–90 cm tall with narrow, glossy, lanceolate leaves. Small, white, star-shaped flowers appear in summer and are followed by firm green berries that ripen to glossy orange-red in late summer through winter, creating a festive display. Despite their appeal, all parts—especially the fruit—are poisonous and must be kept away from children and pets. Native to Madeira, this species is widely naturalized in mild climates worldwide. It prefers bright light, cool temperatures, and evenly moist, well-drained soil to flower and set fruit well. Indoors it is often grown as a seasonal holiday plant, but it can be kept for multiple years with regular pruning, refreshment of soil, and adequate light. It is susceptible to aphids, whiteflies, and spider mites in warm, dry rooms, so vigilant monitoring and prompt treatment are important.
Keep the medium consistently moist, never waterlogged. Water thoroughly when the top 2–3 cm (about 1 inch) feels dry, allowing excess to drain freely. Drought stress causes flower and berry drop, while saturated soil invites root rot. During winter, when kept cooler, allow the surface to dry slightly more between waterings but do not let the root ball fully dry out. Use a free-draining potting mix and a container with drainage holes, and empty saucers promptly to avoid standing water.
Provide very bright light to full sun. Indoors, place near a south or west window for 4–6 hours of direct sun; supplement with grow lights in winter if needed. Outdoors, full sun to light afternoon shade promotes compact growth and heavy fruiting; in hot climates, protect from intense midsummer sun to prevent leaf scorch. Insufficient light leads to lanky growth and poor berry set. Rotate the plant weekly to ensure even light exposure and balanced form.
Feed lightly but regularly from spring to early autumn. Apply a balanced, soluble fertilizer at 1/4–1/2 strength every 2–3 weeks during active growth, then shift to a higher-potassium formula once buds form to support flowering and fruit set. Avoid excess nitrogen, which pushes leafy growth at the expense of blossoms. In winter, with cool conditions and slower growth, reduce or suspend feeding. Flush the pot monthly with plain water to prevent salt accumulation and maintain root health.
Jerusalem cherry thrives in cool conditions. Aim for 10–18°C (50–64°F); brief dips to 5–7°C (41–45°F) are tolerated, but frost will damage foliage. Warm indoor temperatures above 24–26°C (75–79°F) can trigger bud or fruit drop and favor pests. For best fruiting, provide bright days with nights around 12–16°C (54–61°F). Overwinter in the coolest bright room available, away from heating vents. Outdoors, grow as a tender perennial in frost-free areas or move containers indoors before cold arrives.
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