Clethra alnifolia

continental : Watering will be regular by using 1,5 litres of water, but not often, only when the climate is arid or the ground dries out very much. Average watering occurs every 2-3 weeks.

alpine : The ground should be wet every 3-4 weeks, only when it is clearly dry; if the climate is very harsh it is best to water it. The recommended doses are 0,5 litres of water.

mediterranean : Every 1-2 weeks water the plant, waiting for the soil to dry completely between one watering and the other, generally using about 2,5 litres of water.

continental : Grow the the Clethra alnifolia in a place where it is protected by direct solar rays for good part of the day.
The Clethra alnifolia can stand temperatures a few degrees below zero; during the coldest periods of the year it is moved to the cold greenhouse, or it is protected by a non-woven fabric.

alpine : Locate this plant in a partially shaded place, where it can receive a few hours of direct sunlight.
During the cold months it’s best to shelter these plants from the most intense freezing; let’s move them to a cold greenhouse, or let’s cover them with some a non-woven fabric.

mediterranean : It is advisable to grow these plants in a bright place, which is exposed to direct solar rays only during the coolest hours of the day.
These plants are grown in full ground all year round; they can stand the cold.

Feed Clethra alnifolia : Let’s avoid fertilizing shrubs during the winter months.