How does pH affect hemp growth?
The cultivation of cannabis and the quality of the final product are influenced by various factors, such as air, water, sunlight, and soil quality. Although it may seem complex at first, understanding pH value is absolutely crucial for growing healthy cannabis plants. In this article, you will learn everything you need to know about the importance of pH in cannabis cultivation, and how you can change the pH value.
What does pH value represent?
pH value is used to measure the acidity and alkalinity of liquids or dissolved solids. The pH scale ranges from 0 to 14, with pH 7 being neutral. If the pH is lower than 7, the substance is considered acidic (vinegar or lemon juice). If the pH is higher than 7, the substance is considered alkaline (soap or bleach).
Cannabis plants thrive best in slightly acidic soil with a pH between 6 and 7. In hydroponic cannabis cultivation, the ideal pH ranges between 5.5 and 6.5.
Why is pH so important in cannabis cultivation?
Soil pH is important for proper plant nutrition because it directly affects nutrient supply to plants. Every cannabis grower knows that cannabis growth depends on nutrients and minerals. The soil needs sufficient main macronutrients such as nitrogen, phosphorus, and potassium. If the pH is lower or higher, plants will not be able to absorb certain types of nutrients and may eventually show signs of nutrient deficiency or excess, as some minerals accumulate in the growing medium, creating a toxic environment for plant roots and preventing the absorption of other nutrients.
What is the ideal pH for cannabis plants?
Every grower must create the ideal pH for their plants because individual plants differ in genetics and growing environment.
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