How often should house plants be fertilized?

Fertilizing house plants once a month is generally recommended as it provides a balanced approach to supplying essential nutrients without the risk of over-fertilization. This monthly schedule aligns with the growth cycles of most house plants, which typically experience periods of active growth during the spring and summer months. During these times, plants benefit from regular feeding to promote healthy foliage and blooming.

Over-fertilizing, which could occur with weekly or bi-weekly applications, can lead to nutrient burn and may damage the plant. Additionally, some plants might not need fertilization during fall and winter when their growth slows down. Thus, a monthly schedule allows for adequate nutrient replenishment while reducing the chance of causing stress or damage to the plant. Fertilizing once a year is insufficient for providing the ongoing support that house plants need for optimal growth.