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Cerastium tomentosum
Cerastium tomentosum
Cerastium tomentosum
Cerastium tomentosum

Cerastium tomentosum

TAXONOMY

FamilyCaryophyllaceae
GenusCerastium
Zone3

ABOUT

Cerastium tomentosum, commonly known as Snow-in-Summer, is a perennial plant native to alpine regions of Europe. It is known for its silvery-gray foliage and small, white, star-shaped flowers that bloom in late spring to early summer. The plant forms a dense mat, making it an excellent ground cover. It has a dormancy period during the winter months.

ALSO KNOWN AS

Alsine Tomentosa
Myosotis Lanata
Snow-In-Summer
Cerastium album
Cerastium bosniacum
Cerastium columnae
Cerastium decalvans
Cerastium elatum
Cerastium hybridum
Cerastium longifolium
Cerastium repens

OVERVIEW

WaterDry
SoilLoamy
LightDirect Bright (6 Hours)
Temperature20° C
Humidity50%
Dormancy3 Months
pH6.5
Pressure1,013 mbar

DETAILS

Care Instructions
Snow-in-Summer is relatively easy to care for. It prefers full sun and well-drained soil. Watering should be moderate, allowing the soil to dry out between waterings. The plant thrives in moderate temperatures and average humidity levels. It is quite hardy and can tolerate a range of conditions.
Soil
Cerastium tomentosum prefers well-drained, loamy soil. It can tolerate poor soil conditions but performs best in moderately fertile soil. Good drainage is essential to prevent root rot.
Fertilizer
Fertilize Snow-in-Summer with a balanced fertilizer, such as 5-10-10, in early spring. Avoid over-fertilizing, as this can lead to excessive foliage growth at the expense of flowers.
Repotting
Repotting is generally not necessary for Snow-in-Summer, as it is typically grown outdoors in garden beds. However, if grown in containers, repot every 2-3 years to refresh the soil and provide more space for root growth.
Propagation
Propagate Cerastium tomentosum by division or cuttings. The best time to propagate is in early spring or late summer. For division, dig up the plant and separate the clumps. For cuttings, take 4-6 inch stem cuttings and root them in a well-draining soil mix.
Pruning
Pruning is beneficial for Snow-in-Summer to maintain its shape and encourage new growth. Prune back after flowering to remove spent blooms and trim any leggy or overgrown stems.
Toxicity
Cerastium tomentosum is not toxic to pets or humans. It is safe to grow in gardens where children and pets may be present.
Additional
Snow-in-Summer is an excellent choice for rock gardens, borders, and as a ground cover. It is drought-tolerant once established and can help prevent soil erosion on slopes.
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How To Grow Cerastium tomentosum | EarthOne