How to grow bower spinach
Overview
Bower spinach (Tetragonia implexicoma) is a scrambling coastal vine from the Aizoaceae family, grown for its edible young leaves and red berries. It thrives in part-shade with steady moisture and needs a trellis or fence to climb.
Soil Preparation
Prefers slightly acidic to neutral pH (6.0-7.0) in sandy loam. Add well-rotted manure or compost before planting; ensure good drainage to prevent root rot.
Growing Guide
Plant in well-drained soil enriched with compost, spacing 50 cm apart at the base of a trellis. Water deeply twice weekly during dry spells, and mulch to keep roots cool. Avoid heavy afternoon sun in hot zones; dappled light is ideal.
Sowing
Sow seeds 5 mm deep in seed trays, keeping moist at 20-25°C; germination takes 14-21 days. Transplant when 10 cm tall. Direct sowing is possible in warm soil.
Care
Feed with a balanced liquid fertiliser every 4-6 weeks during active growth. Prune back leggy stems in early spring to encourage bushiness. Train onto a trellis or arch as it climbs.
Companion Planting
Grow with coastal rosemary, pigface, and saltbush for a native edible garden. Avoid heavy feeders like corn or tomatoes nearby, as they compete for moisture.
Common Pests & Risks
Slugs and snails damage new growth; use iron-based bait or crushed eggshells around the base. Caterpillars (e.g., cabbage white) may appear; hand-pick or apply Bacillus thuringiensis.
Harvesting
Harvest young leaves from 10 cm tips every 2-3 weeks once the vine reaches 1 m. Pick sparingly to maintain growth; berries are ready when deep red and soft.
In the Kitchen
Use young leaves raw in salads or cooked like spinach; they have a mild, slightly salty flavour. Berries can be eaten fresh but are seedy; store in fridge for 3 days.
Troubleshooting
Yellow leaves: overwatering or poor drainage; reduce water and improve soil. Brown leaf edges: too much direct sun; move to part-shade. Stunted growth: lack of support; add trellis. White spots on leaves: fungal issue; improve air circulation.