Watercress Growing Guide： Best planting time: August to October Germination Temperature： -Optimal germination temperature is 18–25°C (64–77°F). - Seeds usually germinate within 7 to 14 days. - Keep the soil moist and avoid direct strong sunlight to promote even germination. Optimal Growing Temperature： -Optimal growing temperature: 10–25°C (50–77°F). Tips： Watercress is suitable for continuous harvesting: cut the stems and leave about 5 cm above the roots each time to allow for regrowth. Loves water and grows well in moist soil. - Growth may slow down or the leaves may become bitter when temperatures exceed 30°C (86°F).
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