1、 How

1. Suitable light: Although Houttuynia cordata has strong negative tolerance, it cannot lack sunlight in growth and maintenance. It can accumulate nutrients and promote growth only by seeing light properly during the growth period and promoting photosynthesis. The sunshine in summer is too strong, which needs attention. The strong light should be blocked

2. Maintain temperature: temperature is also an important factor for maintenance. It should be maintained at about 15-20 ℃ in the early stage of growth. Frostbite should be prevented in winter

3. Reasonable watering: Houttuynia cordata likes a humid growth environment and does not like drought, so watering must be timely and regularly according to the growth at ordinary times. Although it likes to be wet, it doesn't like ponding and can't water too much

4. Regular fertilization: sufficient base fertilizer shall be applied before cultivation, and then regular fertilization shall be applied to ensure nutrient demand. Nitrogen fertilizer can be applied in the early stage of growth to promote germination and growth, and phosphorus and potassium fertilizer shall be mainly applied after harvest in autumn

5. Maintain humidity: it is best to keep the air humidity at about 50% - 80%. The climate is dry in summer. It is necessary to spray water frequently to maintain humidity in order to maintain normal growth

2、 Is it poisonous

Houttuynia cordata has no poison and will not affect the human body. It can be eaten at ordinary times and has effect. It is good for people's body, but you can't eat more. Eating more is bad for your body