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With more than 300 species to choose from, there is bound to be a geranium to fit your garden needs. Coming in a wide range of shapes, colors, and sizes, perennial geraniums are an extremely diverse group of plants. Do you have small nooks and crannies to fill? There's a geranium for that. Looking for a flowering groundcover to spruce up a shady spot? There’s a geranium for that too! No matter your yard's conditions, you are bound to be happy with the choices you have in perennial geraniums.
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Part Sun, Shade, Sun
From 6 inches to 8 feet
6 inches to 4 feet
garden plans for Perennial geranium
In both foliage and flower, geraniums offer a variety of colors to choose from. One of the common names of the perennial geranium, Cranesbill, comes from the seedpods of these plants, which closely resemble the beak of a crane. The blooms of the geranium come in different shades of pinks, purples, and even blues. Along with the many shades, the blooms often have deeper colored veins radiating from the center like hand-painted whiskers.
The many species of geranium available also offer different bloom times, allowing you to have multiple geraniums in bloom throughout the entire growing season. Most commonly, perennial geraniums bloom in early- to late-spring and keep blooming through mid-summer. However, there are a few varieties that are late season bloomers and bloom into fall.
Many plants bloom and are done. Geraniums, however, can have wonderful foliage. Depending on the species, many have deeply lobed and dissected leaves. Some can come in a wide variety of colors: gold, burgundy, bronze, gray, and green. In the fall, several species also put on a display of fall colors, showing off orange, red, and yellow. This plant is quite the multitasker!
Perennial Geranium Care Must-Knows
Because there are so many different species available in the trade, there is no "one size fits all" care for geraniums. Luckily, perennial geraniums are extremely tough and adaptable plants. As a whole, geraniums can grow happily in full sun to part shade. Many varieties also do fine in more shade, but it may result in fewer blooms. Perennial geraniums also appreciate well-drained soil and won't be happy when they're too wet.
After they're done blooming, geraniums benefit from a good cutback. Plants that bloom on longer stems can be cut back to the basal foliage growth at the bottom of the plants. This will help encourage a new flush of growth and keep them from looking too messy. It may also give you a smattering of rebloom on some species.
The only real problem that you might see with perennial geraniums is powdery mildew. This is a fungus that grows on the leaves—it looks like a fine, white powder. Powdery mildew is fairly harmless, but if left alone for too long, it can slow your plants down and look unsightly. The best way to take care of this is to make sure that your plants have good air circulation. Also keep leaves as dry as possible and avoid overhead watering to prevent the mildew from spreading to nearby plants. If you continue to see this each year on the same plant, try moving it to a more sunny spot. Clean up any leaf debris around plants once they die back.