Clethra alnifolia

Feed Clethra alnifolia : As autumn arrives, and the temperatures become lower, let’s remember to plant a good quantity of organic fertilizer at the base of our shrubs.

continental : We suggest to position the the Clethra alnifolia in a partially shaded place, which is exposed to direct solar rays only a few hours a day.
During the autumnal months the the Clethra alnifolia can’t stand the cold; it can tolerate temperatures a few degrees below zero without any problems.

alpine : For a balanced development it is best to locate teh the Clethra alnifolia in a place where it can enjoy some hours of direct solar light, but protected from the sun for most of the day.
These plants can bear short freezing without problems; when the minimum temperatures are below -5°C, we suggest covering the the Clethra alnifolia with a non-woven fabric.

mediterranean : Locate this plant in a partially shady place, directly lit by sunrays for a few hours a day.
These plants can stand without problems harsh climates, with minimum temperatures a few degrees below zero, therefore they can be grown in the garden.

continental : Water regularly, every 2-3 weeks with 1-2 buckets of water, wetting the ground deeply, but waiting for the substratum to dry completely between an irrigation and another one; avoid stagnant water.

alpine : When the ground is thoroughly dry, we should water regularly but without exceeding, usually using 0-1 buckets of water. Keeping the dampness of the ground under control let’s water every 3-4 weeks.

mediterranean : The Clethra alnifolia doesn’t request too much watering; we should act with 2-3 buckets of water only when the soil is very dry, every 1-2 weeks, avoiding immoderation.

Adversity Clethra alnifolia : When the climate is still not too harsh we should apply a wide range fungal treatment, vaporizing the fungicide even on the soil on the feet of the plants. Let’s remember to collect and destroy the leaves of the plants affected by black spot disease or by leaf curl disease.