Should I feed plants differently in summer and winter?

Yes. Plant growth varies in line with seasonal changes. Summer represents a period of active growth for the overwhelming majority of plants due to the warmer weather and as a result extra feeding is required. Winter represents a period of dormancy and very little or no feeding is required.

The amount of transpiration (evaporation through plant leaves) that occurs will also affect how much nutrients to add to the plants in different seasons. For example, during Summer it is hotter, which means plants will transpire more. As the amount of water in the solution decreases faster than nutrients are consumed, the concentration of the nutrients will increase. To account for this you will have to add in more water than nutrients in your next re-fill. Conversely, in winter it is likely that more nutrients will be consumed compared to water - resulting in a diluted nutrient solution.

The easiest way to make sure you're giving your plants the right amount of nutrients is to measure the nutrient concentration with an EC meter, and then target the required concentration that your plant needs.

Jul 4, 2022

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