Garden & Landscape Tips

Throughout summer and into fall, ‘Rozanne’ is covered with violet blue flowers, a characteristic that helped earn it the Perennial Plant of the Year from the Perennial Plant Association, a not-for-profit trade organization.

'Rozanne' blooms spring through autumn.
© Blooms of Bressingham

‘Rozanne’ (Geranium) is readily available at garden centers and through mail order catalogs. The 2-inch-wide flowers attract butterflies. The leaves are medium green with silvery specks, a distinguishing characteristic of this hybrid. The plant will grow to about 18 inches tall and three feet wide. It doesn’t seem to be bothered by disease or insects.

'Rozanne’ can be used in the front of a flower bed or as a seasonal ground cover. If the plant gets too leggy, cut it back in mid-summer to about three inches from the ground and it will begin reblooming in a week to 10 days. Cut it back to the ground in late winter or early spring to prepare the geranium for its summer show.

Hardy from USDA Zone 5 through Zone 8, ‘Rozanne’ is an excellent companion to spring blooming bulbs. As the geranium grows, it camouflages the ripening foliage of the bulbs. The geranium does well as an edging plant or a summer ground cover. It also can be planted in window boxes or other containers for the summer and transplanted to the ground in fall.

Hardy geraniums do best in well-drained soil that has been amended with compost or other rich organic matter, in part shade to full sun. They are fairly drought tolerant once established. ‘Rozanne’ is a true geranium and a different species than the tender summer plant commonly called geranium, which is actually a Pelargonium. To keep weeds away from perennials, apply Preen Garden Weed Preventer according to label directions.

For more information about ‘Rozanne,’ please visit the following web sites: or

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