Can gardenias be watered with vinegar? There are rules for watering flowers with vinegar

Flowers & Gardening Jan 1, 1970 0 views

Gardenias can certainly be watered with vinegar, because vinegar can make the potting soil weakly acidic, which is more suitable for their growth, and it can also supplement some elements such as Fe and Ca. However, before using it, we must make sure that the vinegar we use contains no salt, and it must be diluted before use. As for frequency, generally once a week is enough.

1. Reasons

① Acidity

When it comes to why this plant can be watered with vinegar, the most fundamental reason is actually that it is inherently suited to growing in weakly acidic potting soil. Vinegar contains acetic acid, and using it for watering can keep the soil pH between 4.0 and 6.5, which this flower likes best. This not only allows it to grow relatively quickly, but also allows it to grow relatively healthily.

② Nutrients

In addition to acidifying the potting soil, the fact that it contains many nutrients is also a very important reason. Specifically, vinegar contains small amounts of elements such as Fe and Ca. These elements can help the formation of chlorophyll, increase the efficiency of photosynthesis, and raise the plant's efficiency in accumulating nutrients, so watering it with vinegar can make it grow better.

2. Precautions

① Dilution

This is a very important point, please do not ignore it. When watering it with vinegar, be sure to dilute it beforehand, otherwise vinegar at high concentration is very likely to damage its roots. We generally need to dilute the vinegar to more than 100 times, and it is better to make it too dilute than too concentrated.

② Frequency

When watering it with vinegar, pay attention to the frequency. Never water it every day. Generally, watering once every seven days is enough. If the plant shows undesirable signs such as yellowing leaves or wilting leaves, the watering frequency can be increased slightly as appropriate, but it must not exceed once every three days.

③ Salt-free

Nowadays, many manufacturers add some NaCl, that is, what we call table salt, to vinegar to make its taste more suited to everyone's palate. This may be no problem for us, but it is not good for plants. Once this kind of vinegar containing NaCl is used to water flowers, these sodium ions will dissolve in the water in the potting soil and change the osmotic pressure. This flower relies on osmotic pressure to take up water and some nutrients. Once the osmotic pressure changes, they cannot normally take up these substances, thereby affecting the plant's development.