Nutrient Deficiencies Impacting Flowering
Nutrient deficiencies, particularly in nitrogen, phosphorous, and potassium, can affect the blooming of your Grey-leaved cistus. While these plants are relatively low-maintenance in terms of soil fertility, a lack of key nutrients can prevent the formation of flowers. Consider using a balanced, slow-release fertilizer during the growing season to supply the necessary nutrients. However, be cautious not to over-fertilize, as excessive nitrogen can lead to lush foliage at the expense of blooms.