Planting Zucchini

Plant 2-3 seeds in each hole, 2cm (1") deep with at least 60cm (24") between plants and the same distance between rows. Zucchini prefers well-draining moist soil rich in organic matter, and thrives in full sun. Mix manure and/or compost into your soil 2-3 weeks before planting if soil quality is poor.

Growing Zucchini

Once the zucchini plants have grown a set of true leaves, thin each spot so only the strongest plant remains. Zucchini thrives in moist (but not wet) soil, and will greatly benefit from mulch to discourage evaporation. When watering, avoid getting the leaves wet, as this can encourage diseases which would damage the plant. Inconsistent watering can affect the shape and flavour of your zucchini, so keep track of your watering schedule. Once flowers appear, treat with a balanced fertiliser to encourage growth.

If your zucchini plants aren't producing fruit, you may need to assist with pollination. Most varieties should produce both flowers; the male flowers grow on thin stalks, and the female flowers grow on the ends of small, immature fruits. Using a cotton swab, gentle collect pollen from inside a male flower and transfer it to a female flower.

Keep checking for blossom end rot, which looks like a dark bruise on the bottom of affected fruits. Blossom end rot signals that the fruit isn't receiving enough calcium, and is usually caused by inconsistent watering. Remove and destroy damaged fruit, and evaluate your watering schedule.

Harvesting Zucchini

Harvest zucchinis as soon as they reach their expected size, usually 15-20cm (6-8"). Cut the zucchini at the stem, avoiding any pulling which may damage the vine. Refrigerate in an open bag and use within 7-10 days for optimal flavour.