Coriander

• Coriander originated in the Mediterranean and Middle Eastern regions, where it has been cultivated for thousands of years. Both leaves and seeds are used in cuisines worldwide.
• The entire plant is edible, from roots to leaves to seeds, each offering distinct flavours. Fresh leaves are called coriander or cilantro, while dried seeds are a popular spice.
• This fast-growing annual typically completes its lifecycle in 8-12 weeks from seed to flowering. Cool-season growing makes it perfect for Australian autumn through spring gardens.
• Gardeners love coriander for its quick germination and rapid growth, providing fresh herbs within weeks. The delicate white flowers also attract beneficial insects to the garden.

• Water consistently to maintain evenly moist soil, especially in pots where coriander dries out quickly. Check daily during hot weather and reduce watering in cooler months.
• Position in full sun during autumn, winter and spring, or provide afternoon shade in warmer regions. At least 4-6 hours of direct sunlight produces the best leaf growth.
• Use free-draining potting mix or add compost to garden beds before planting. Good drainage is essential as coriander won't tolerate soggy soil or poor aeration.
• Apply liquid fertiliser every 2 weeks at half strength to encourage continuous leaf production. Avoid over-feeding which can reduce the plant's aromatic qualities.
• Pinch off flower buds as they appear to延長 the leafy harvest period. Once flowering begins, leaf production declines and flavour becomes bitter.
• Sow fresh seeds every month during the cooler season for successive crops. In hot climates, grow coriander through winter when temperatures are more suitable.
• Harvest by cutting outer leaves first, leaving the centre growing point intact. Regular picking encourages bushy growth and prevents the plant from bolting too quickly.

• Plant in full sun during cooler months or part shade in warmer regions to prevent premature bolting. Morning sun with afternoon protection works best in summer.
• Water regularly to keep soil consistently moist but not waterlogged, especially during dry spells. Coriander has shallow roots and dries out quickly in pots.
• Sow seeds directly where they'll grow every 3-4 weeks for continuous harvests throughout the season. Coriander dislikes transplanting due to its taproot.
• Harvest outer leaves regularly once plants reach 10-15cm tall to encourage bushier growth. Frequent picking delays flowering and extends the productive period.
• Feed with a balanced liquid fertiliser every 2-3 weeks to support lush leaf growth. Avoid high nitrogen which can affect flavour intensity.

• Aphids can cluster on new growth, causing distorted leaves. Spray with diluted soapy water or use beneficial insects like ladybirds to control infestations.
• Bolting to seed occurs quickly in hot weather, ending leaf production. Plant in cooler months and provide afternoon shade in warm climates to延長 harvest.
• Powdery mildew appears as white patches on leaves in humid conditions. Improve air circulation and avoid overhead watering to prevent fungal issues.
• Root rot develops in waterlogged soil, causing yellowing and wilting. Ensure excellent drainage and allow soil to dry slightly between waterings.