It is a species of hardy, easy to grow, flowering plants that belong to the Geraniaceae family. Once established, they require little care outside of regular watering. On its own, big-root geranium, as it’s commonly known, is completely underwhelming. The plant is popular as a ground cover because it looks amazing alongside other plants. Whether indoors or out, geranium care is pretty basic. It has strong, aromatic, toothed light green leaves. Geranium macrorrhizum is commonly known as bigroot geranium, rock cranesbill and Bulgarian geranium. Geranium macrorrhizum 'Bevan's Variety' Bigroot Geranium. A moist soil rich in humus is their growing medium of choice. Reflowering: With the exception of Bigroot Geranium (G. macrorrhizum) and Bloody Cranesbill (G. sanguineum) varieties, Geraniums have a tendency to sprawl after bloom. A clump-forming perennial which spreads by rhizomes to form a dense ground cover that chokes out most weeds, growing 8-12". It blooms magenta mid to late spring and can be cut back hard after the first main bloom, or at any time, and it will soon leaf out and even bloom again. However, don't confuse them with annual geraniums, which aren't even related (those are actually in the genus Pelargonium). Because of her dense habit, weeds have a hard job taking root in the same spot. She can spread to fill large spaces, so if you’d rather have gorgeous blue flowers than endless rounds of weeding, Rozanne is the plant for you! But there’s a warrior hiding under that somewhat ordinary exterior. Cut plants back hard, to 2-3 inches above soil level, after the first wave of bloom. Growing geraniums: how to plant and care for geraniums If you’re looking for a hardy plant with scented, beautiful flowers, then you’ll love geraniums. Drought and heat tolerant. Geranium Rozanne is naturally a perfect border plant, giving the garden a bold splash of blue right through the summer. It just does its thing and it does it well. There are over 300 species and varieties of perennial geraniums, so it's easy to find one to suit your needs. Plants form a spreading mound of large, fragrant green leaves, bearing deep magenta-pink flowers in early summer. Geranium Plant Facts. Clumps are easily divided in early spring or fall. And in a nutshell, that’s Geranium macrorrhizum. A great choice for massing as a groundcover, or edging the border. Bunnings Greenlife buyer Katie explains everything you need to know about growing healthy geraniums. Some hardy geraniums offer attractive autumn foliage, so resist the urge to cut back too quickly after flowering. In addition to watering, which should be done deeply and once the soil begins to feel dry indoors or at least weekly outdoors (though potted plants may need daily watering in hot weather), fertilizing is usually necessary. They can be cut back right to the ground after their first flush of flowers and will produce fresh foliage and more flowers in the same summer. Care of Geraniums. Hardy geraniums need very little care. Coming in a huge range of shapes, colors, and sizes, perennial geraniums make beautiful garden plants. Sitting in a nursery container it looks like a geranium that’s not doing much of anything. They’re not targeted by rabbits, and slugs and snails will eat other plants in preference. Reliably winter hardy in Zones 4-9; Annual growth 12-20 inches in … Do you have small nooks and crannies to fill? Prefer light shade for best growth and flower production. The Bigroot Cranesbills are superb, easy-care perennials that grow practically anywhere. Geranium macrorrhizum, also known as big-root cranesbill, is a semi-evergreen perennial, bearing saucer-shaped magenta-pink flowers in late spring. Under that somewhat ordinary exterior garden plants ( those are actually in the genus Pelargonium ) are superb easy-care. Hardy, easy to find one to suit your needs but there ’ not! 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