How to grow goji berry
Overview
Goji berry is a deciduous, thorny shrub grown for its small, red berries that are harvested fresh or dried. It is valued for its high antioxidant content and sweet-tart flavour, which is far superior to store-bought dried berries. This plant requires full sun, well-drained soil, and minimal water once established.
Varieties
- Lycium barbarum 'Sweet Lifeberry' — A compact, heavy-fruiting variety with large, sweet berries, ideal for home gardens.
Soil Preparation
Goji berry prefers slightly alkaline soil (pH 6.5–8.0) that is well-drained and moderately fertile. Add lime if soil is acidic, and incorporate compost or aged manure before planting. Avoid heavy clay soils that stay wet.
Growing Guide
Plant goji berry in full sun in well-drained, sandy or loamy soil. Space plants 1–1.5 m apart in rows or as a hedge. Dig a hole twice the width of the root ball, backfill with compost, and water in well. Mulch lightly to retain moisture but avoid wetting the crown. For best results, plant in spring after frost risk passes. Prune annually in winter to remove old wood and encourage new fruiting growth.
Sowing
Sow goji berry seeds 5 mm deep in seed trays in spring, or direct sow after frost. Germination takes 14–21 days at 20–25°C. Transplant seedlings when 10 cm tall, spacing 1 m apart. Seeds are slow to start; cuttings or layering are faster.
Care
Feed goji berry with a balanced organic fertiliser (e.g., 5-5-5) in early spring and again after harvest. Prune out old, unproductive wood in winter to stimulate new fruiting canes. Mulch with straw or wood chips to suppress weeds and retain moisture, but keep mulch away from the crown.
Companion Planting
Plant goji berry near lavender, rosemary, or sage to deter pests with strong scents. Avoid planting near potatoes or tomatoes, as they share soil-borne diseases like verticillium wilt.
Common Pests & Risks
Aphids and spider mites can attack new growth; spray with neem oil or horticultural soap. Birds may strip ripe berries; use netting or reflective tape. In humid areas, powdery mildew may appear; improve air circulation and avoid overhead watering.
Harvesting
Harvest goji berries when they turn bright red and slightly soft, usually from late summer to autumn. Pick by hand or shake branches over a tarp; berries are delicate and bruise easily. Use immediately or dry for storage.
In the Kitchen
Eat goji berries fresh, add to smoothies, or dry for use in teas and baking. They store well dried for months in an airtight container. Avoid overconsumption raw, as they can cause mild digestive upset.
Troubleshooting
Yellow leaves: overwatering or poor drainage; reduce water and improve soil. Brown leaf edges: salt burn from fertiliser; flush soil with water. No fruit: insufficient sun or over-pruning; ensure full sun and leave some old wood. Wilting: root rot in wet soil; replant in raised bed. Powdery mildew: humid air; space plants and prune for airflow.