What is the best fertilizer for rosemary?

Rosemary fertilization time

Rosemary can be fertilized according to the season and growth conditions. Spring and summer are its growing and flowering seasons, so the frequency of fertilization needs to be increased. When the weather gets colder in autumn, fertilization needs to be reduced. In winter, it enters a dormant period, so fertilization can be temporarily stopped. It only needs to be applied once before winter.

Nitrogen and phosphorus can be applied once after each rosemary harvest, mainly because it works quickly and can promote secondary growth.

What fertilizer to use for rosemary

When planting or repotting rosemary, you can apply decomposed base fertilizer to meet the nutrient needs during the growth period. Afterwards, you can apply fertilizers rich in phosphorus and potassium, which can mainly promote the differentiation of flower buds and make flowering more vigorous.

Rosemary fertilization method

Rosemary does not require much fertilizer, so you can apply thin fertilizer. And you cannot leave immediately after fertilizing, you have to cover it with soil. After harvesting, you need to apply nitrogen and phosphorus fertilizers to promote a second harvest.

Rosemary fertilization precautions

Rosemary needs reasonable fertilization. Excessive or large amounts of fertilization can easily cause problems. The base fertilizer must be fully decomposed before application to avoid burning the roots. You can water it once after fertilizing. Fertilizer should not be applied to the same place every year to avoid affecting the growth of the root system.