Watering
Water them sufficiently especially in summer. Their origin is Japan, Korea or China, where it is humid in summer. If you grow them in the place, where it is dry in summer, such as California, maybe you should water them everyday. It is recommended to give water to the leaves also to control mites.
Even though they like water, do not leave water in the saucer and keep them from excessive humidity.
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Growth Period
To make them have more flowers, pick the top to encourage them to have branches when they are around 8 inches.
In summer, when they have the first flower, if you dare to cut them to 4 inches from the soil surface, you can enjoy the flowers for long time until autumn. It requires lots of energy to generate seeds. If you wish to have flowers continuously, pick the fading flowers before seed generation, and let them save energy.
You may not be able to expect flowers on the first year after seeging, but don't be disappointed. They must have flowers on the second year.
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Medical Effect
Caution: It is not recommended to make medicines because it is risky to intake plants without professional knowledge.
See the details at Risk of the Plants and Aromatic Effect.
Medical Parts: Root
Indication: Whooping cough, sore throat.
The root of balloon flowers has been used as medication for sore throat or coughing in Japan. Here is how to make the throat drug .
1. Dig out the root of balloon flower, and dry it under the sun.
2. Take 5g of the dried root, and boil in 300ml of water, until the amount of water is half.
That's it. If you have a sore throat because of flu or persistent cough, gargling with this solution frequently may relieve your symptoms.
Actually, people used to drink this with deviding in 3 portions in one day, however it is not recommended. It is better to make balloon flower tea from "platicodi radix", sold in Chinese drug store.
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