Cerastium tomentosum, Snow-in-Summer

Bloom time: may to June

Height: 6-8"

Exposure: Full sun

Growing information:


Cerastium, commonly known as snow-in-summer, is a low-growing perennial plant. It is prized for its delicate white flowers and silver-gray foliage. Cerastium is a hardy plant that thrives in full sun and well-drained soil, making it an excellent choice for rock gardens, borders, and ground covers.

When it comes to planting cerastium, it is important to choose a location that receives at least six hours of direct sunlight each day. The soil should be well-drained and slightly alkaline. Before planting, prepare the soil by removing any weeds and loosening it with a garden fork or tiller.

Once the soil is prepared, dig a hole that is slightly larger than the root ball of the cerastium plant. Place the plant in the hole, making sure that the top of the root ball is level with the surrounding soil. Backfill the hole with soil, gently firming it around the plant.

Water the newly planted cerastium thoroughly, ensuring that the soil is evenly moist. After the initial watering, cerastium plants require minimal watering, as they are drought tolerant. However, during prolonged dry periods, it is important to provide supplemental irrigation to prevent the plant from drying out.


Cerastium is generally resistant to most pests and diseases. However, like any plant, it can occasionally be susceptible to certain issues. The most common pests that may affect cerastium include aphids and spider mites. 


Cerastium is not only a visually appealing plant but also offers several benefits to your garden. Its low-growing habit makes it an excellent ground cover, preventing weed growth and reducing soil erosion. The silver-gray foliage provides a beautiful contrast to other plants in the garden, and the delicate white flowers add a touch of elegance.

Cerastium is a pollinator-friendly plant, attracting bees and butterflies to your garden. By planting cerastium, you are not only enhancing the beauty of your garden but also supporting the local ecosystem.



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