Cape Gooseberry

Cape gooseberry (Physalis peruviana) is a South American fruiting plant in the nightshade family, producing small, golden-orange berries enclosed in a papery, lantern-like husk. The sweet-tart fruit has a complex tropical flavour reminiscent of pineapple and vanilla. It is a warm-season crop that demands a long growing season and is best started indoors well before outdoor temperatures stabilise. It performs well in sheltered, sunny positions and benefits from staking as plants become large and sprawling.

Growing

Start seeds indoors 10 weeks before outdoor night temperatures reliably exceed 10 °C. Sow seeds on the surface or at no more than 3 mm depth into fine, moist seed compost kept at 20–25 °C; germination takes 10–21 days. Pot seedlings on progressively into 9 cm then 13 cm containers as roots fill each pot. Harden off plants gradually once outdoor nights stay consistently above 10 °C before transplanting to their final position at 60 cm spacing.

Care

Water deeply but allow the top few centimetres of soil to dry between waterings; overwatering causes root rot. Feed with a balanced liquid fertiliser every two weeks once fruiting begins, switching to a lower-nitrogen, higher-potassium feed as fruit sets. Stake or cage plants early — stems become brittle as they grow tall. Pinch out the growing tip once the plant reaches 60–80 cm to encourage branching and higher fruit yields. Remove yellowing lower leaves to improve airflow.

Harvest

Harvest berries once the papery husk has turned from green to a dry, tan-brown colour and the berry inside is a deep golden-orange. Ripe berries drop naturally to the ground — check beneath plants regularly. The husk protects the fruit and should be left on until just before eating. Continue harvesting as long as the plant produces, typically for 60 days or more once fruiting begins.

In the kitchen

Eat cape gooseberries fresh out of hand, or halve and add to fruit salads, salsas, and chutneys. They work beautifully in tarts and pavlovas, paired with cream or soft cheese. Fold into jam or compote, or dip whole in chocolate as a confection. Their acidity balances well with fatty or sweet dishes. Dried berries (sold as 'inca berries') are used like raisins in baking and trail mixes.

Storing

Store unwashed berries in their husks at room temperature for up to 2 weeks, or refrigerate in the husk for up to 3 months. Once husked, refrigerate and use within a week. For longer keeping, freeze whole husked berries on a tray then transfer to bags — they keep for up to 12 months. Dried berries store in an airtight container at room temperature for several months.