Most plants growing on Earth require a growing medium with an acidic pH. It can even be said that only a few species tolerate alkaline soils. We also know many beautiful plants, including our famous lady’s slipper orchids, which grow well in areas where the soil contains layers of limestone or chalk beneath the surface.
It is really worth remembering plants’ preference for acidic soil and always keeping a bag of high-quality peat or rhododendron growing medium on hand. This substrate has been developed not only for the most spectacular rhododendrons and azaleas, but also for heathers, winter heaths, enkianthus, and pieris.
Not everyone knows that famous magnolias and indoor camellias also grow well in acidic soil. Rhododendron soil mixes can also be used as a natural acidifier for substrates. This is especially useful when we suddenly observe leaf chlorosis or an unnatural yellow discoloration, which is typical of calcium excess that leads to alkaline soil conditions.
Rhododendron soil contains not only high-quality peat and additives, but also structural Ecofibrex wood fibres. In such a mixture, roots find the air and water-filled capillaries they need. To preserve this delicate structure, we should never compact the soil around the roots when planting. Instead, it should be gradually filled in while watering, so the substrate settles naturally.
It is also worth remembering that August is a crucial month for all heathers and magnolias, as this is when they form flower buds for the next season. During this period, the roots must not be allowed to dry out, as this will significantly affect plant health and reduce flowering in the following year.
