Soil requirements Gardenia prefers organically rich, well-drained soil. The plant can thrive in clay, loam, or sand soil. Ensure that the soil pH is between 5.0 and 6.5. Light requirements Ensure that ...
It keeps plants fed for an impressive six months, encourages faster growth, stronger plants, maximum root growth and absorbs up to 25 per cent more water. A rich, clay loam soil which is ideal for ...