1- 2 1/2 foot Nandinas PLANT and Forget...adds color to your landscape...no CA - $15 - (Blythe, GA)
Ideal pH Range To maintain its average growth of up to 24 inches each year, nandina must have a pH range between 3.7 and 6.4. This shrub acclimates to a soil environment that most plants cannot tolerate, between extremely and slightly acidic. Key plant cell nutrients, like phosphorus, become difficult to find while toxic metals, such as aluminum, are soluble and in abundance. Preferring U.S. Department of Agriculture plant hardiness zones 6 through 9, this tough plant withstands harsh soil conditions but cannot tolerate freezing temperatures. Amending with Lime Using a pH meter is the best way to determine the correct pH of your garden; all soils differ depending on the region and local climate. If your garden is too acidic as indicated by a low pH value, adding lime to the soil is a practical solution. Typically, you add lime prior to moving the nandina into the garden area, but you can till the lime into the surrounding soil of an established plant, if desired. Because nandina tolerates a wide range of pH values, you may want to bring the pH value closer to 6.4 so that you can plant nearby plants that do not prefer extreme acidity. Amending with Sulfur Because most plants prefer a 6 to 7 pH range, your garden may need a course of elemental sulfur to bring this neutral value down into the more acidic range. Sulfur amendments, like iron sulfate, react in the soil structure to create acids that drive the environmental pH down. As with lime application, you spread the sulfur amendment into an open garden or around the established plant. The pH levels change slowly, so monitoring the soil with a pH meter is imperative for accurate soil amending; you may need to add more sulfur if the pH range does not change adequately on the first application. Plant Effects Commonly, nandina's foliage turns deep red during the winter if it is planted in a full sunlight position. A poor pH range, however, reflects on the foliage by hindering its coloring abilities; the leaves may st…
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