Peperomia graveolens Rauh & Barthlott
Ruby Glow, Ruby Glow Peperomia, Ruby Peperomia
Peperomia graveolens is a small shrub with red wine-colored stems and fleshy leaves. It grows up to 10 inches (25 cm) tall. Leaves are also red wine in color, except for the upper surfaces where they have a transparent, v-shaped "window." The flower racemes are simple and resemble a rat's tail. They seem like powdery lime green in color to the naked eye and usually grow up to 3 inches (7.5 cm) tall. The tiny flowers are yellowish-white and grow on up to 10 inches (25 cm) long stems.
USDA hardiness zones 10a to 11b: from 30 °F (−1.1 °C) to 50 °F (+10 °C).
How to Grow and Care
Peperomias are not particularly hard plants to grow, and their small size and delicate leaves make them perfect for desktops and dish gardens. They will rarely overtake their neighbors or shade them out. In short, they are perfectly mannered and attractive small plants. The biggest problems are usually related to watering. They like steadily moist soil but can be very sensitive to overwatering. Overwatered Peperomias tend to wilt or have raised, scab-like protrusions on their leaves. Don't be alarmed if your plant loses a few bottom leaves, but a massive leaf drop is usually due to a temperature change or fertilizer problem. Lastly, Peperomias are susceptible to mealybugs, so keep an eye out for cottony white masses on the stems or undersides of leaves. These plants thrive when slightly pot-bound, so don't over-pot them.
Repot plants in spring, especially to refresh the existing soil, but place either back into the same size container after root-pruning or go up only one pot size. The largest Peperomias remain relatively small, so they will never grow into large specimen plants. Most species can be relatively easily propagated from leaf cuttings.
Learn more at How to Grow and Care for Peperomia.
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