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For a balanced development, it is best to position the the Clethra delavayi in a partially shady place, where it can enjoy direct sunlight only during the coolest hours of the day. When the minimum temperatures are very low we can protec the more sensible brushes by covering their roots with dry leaves or straw.During this time of year we shouldn't worry about minimum temperatures, in fact the the Clethra delavayi can bear temperatures a few degrees below zero.
Generalities Clethra delavayi
The Clethra delavayi grows erect, developing a short stem with a small crown, usually roundish. This plant in the summer assumes a white colouring; it is large in size and can reach 5 m high. It doesn't keep its leaves in the winter. These plants are shrubs.
Fertilization Clethra delavayi
To obtain a florid development it is important to remember to fertilize our shrubs periodically; in the spring let’s use a fertilizer rich in nitrogen and potassium, which will favour the development of new vegetation and of flowerings. We can intervene at the end of the winter, mixing a good dose of slow release organic fertilizer to the soil surrounding our plant. During the spring it is also possible to act periodically, with liquid or powder fertilizers, to add to the water when irrigating, every 20-25 days.
Watering Clethra delavayi
Water regularly, every The , wetting the ground deeply with 1-2 buckets of water , always waiting for the soil to be dry before watering; avoid leaving stagnant water. If we decide to grow a specimen of the Clethra delavayi in a container, we should remember that it will have slightly different needs compared to a specimen grown in the ground: we should pay more attention to its water and nutritional needs and check more often for possible development of parassites.
Treatments Clethra delavayi
As the day-time temperatures rise at the beginning of the spring, it is agreeable to practice a preventive treatment, with a wide-range insecticide, which should be applied when there aren’t flowerings in the garden. Before the buds become too large, it is advisable to also treat them with a wide-range fungicide, to prevent the development of fungal diseases which spread easily when there is an elevated environmental moisture.
Soil Clethra delavayi
The Clethra delavayi prefers quite drained soils, with a low PH.
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Notes - Clethra delavayi
We suggest cultivating the the Clethra delavayi in a specific soil for acidophilic plants. The indications given in this article are related to a medium size plant.
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This page concerns the weather continental it is possible to choose another climate area alpine mediterranean