Geranium macrorrhizum ‘White-Ness’: A Fragrant Perennial for Sun or Shade

Background and Description: Geranium macrorrhizum ‘White-Ness’ is a captivating perennial plant that delights with its stunning white flowers blooming in May and June. It is a hardy species suitable for both full sun and full shade, making it a versatile choice for various garden settings. This particular variety is often used as ground cover or planted under shrubs and trees.

Geranium macrorrhizum ‘White-Ness’ belongs to the Geraniaceae family and is also known as Big-Root Cranesbill or Geranium macrorrhizum ‘Mount Olympus’. It features fragrant, rounded, apple-green leaves and produces pure white flowers adorned with yellow-tipped stamens. This low-growing perennial reaches a height of 8-10 inches and spreads 15-18 inches. Its blossoms grace the garden during the spring and summer seasons.

Cultivation of Geranium macrorrhizum ‘White-Ness’:

Sunlight and Soil Requirements: Geranium macrorrhizum ‘White-Ness’ thrives in fertile, well-drained soil. It tolerates both full sun and full shade, providing flexibility in placement options.

Planting: Plant Geranium macrorrhizum ‘White-Ness’ in either spring or fall. Choose a planting location that receives full sun to partial shade. Prior to planting, prepare the soil by incorporating compost or well-rotted manure. Adequately water the plant after planting to ensure its establishment.

Watering: Regular watering is necessary for Geranium macrorrhizum ‘White-Ness’, particularly during hot and dry weather. Ensure deep watering to reach the plant’s roots, allowing the soil to slightly dry out between waterings.

Fertilizing: Fertilize Geranium macrorrhizum ‘White-Ness’ once a year in the spring using a balanced fertilizer. Opt for a slow-release fertilizer, such as a 10-10-10 formulation, to provide essential nutrients gradually.

Pruning: Geranium macrorrhizum ‘White-Ness’ does not require extensive pruning. However, remove any dead or damaged growth in the spring. Additionally, dividing the plant every 3-5 years promotes its health and vigor.

Pests and Diseases: Generally, Geranium macrorrhizum ‘White-Ness’ is resistant to pests and diseases. However, it may occasionally encounter aphids, powdery mildew, or botrytis. Promptly address any signs of pests or diseases by utilizing suitable pesticides or fungicides.

Mulching: Apply a 2-3 inch layer of mulch around the plant to retain moisture and suppress weed growth.

Deadheading: To encourage more blooms, deadhead spent flowers by gently pinching them off with your fingers.

Division: To maintain the health and vigor of Geranium macrorrhizum ‘White-Ness’, divide the plant every 3-5 years. Dig up the plant and gently separate the roots before replanting them in well-drained soil.

With proper care and attention, Geranium macrorrhizum ‘White-Ness’ will reward your garden with its fragrant presence and enduring beauty.