Snow-in-summer grows best in full-sun areas with poor, slightly acidic, and well-draining soil.
Snow-in-summer can develop fungal problems if planted in the shade.
Soil
Snow-in-summer thrives in well-draining and slightly acidic (pH 6.0 to 7.0) soil.
The Spruce / Evgeniya Vlasova
Water
This plant prefers relatively dry conditions and has a good tolerance for short periods of drought.
It will not do well where frequent rainfall or watering keeps the ground soggy.
Temperature and Humidity
Snow-in-summer likes relatively cool, dry summers.
The Spruce / Evgeniya Vlasova
It will be very short-lived if planted in hot, humid climates.
However, snow-in-summer is salt-tolerant and does well in cooler coastal regions.
Trimming can be done easily with a lawnmower that’s set high or using a string trimmer.
The Spruce / Evgeniya Vlasova
Then, carefully clean up the debris that’s cut away to prevent it from reseeding.
Some cultivars are more compact and less likely to spread uncontrollably.
Propagating Snow-in-Summer
Snow-in-summer can be divided and replanted to create new plants.
The Spruce / Evgeniya Vlasova
This division method is best done immediately after the plants have finished blooming.
Self-seeded volunteers can also be dug up and transplanted.
Newly germinated seedlings should be planted in early spring.
Fill a container of any material with any throw in of well-draining potting mix.
Keep the container in a dry, sunny spot.
see to it the container has plenty of drainage holes.
Water this plant infrequently, even in pots.
Wrap the pots or put them in a dry, unheated garageduring the winterwhen snow-in-summer is dormant.
Common Plant Diseases
Few if any pests or diseases bother snow-in-summer plants.
However, high humidity or too much shade can fosterdamping-off diseaseand other fungal problems.
Root rot can be a problem in soil that is too moist.
Keep your snow-in-summer in a drier area with well-draining soil to avoid these problems.
What Do Snow-in-Summer Flowers Look and Smell Like?
Snow-in-summer flowers have five pure white petals and yellow stamens.
Flowers can be tiny or slightly larger depending on the jot down or cultivar.
The flowers blanket the ground and have a mild, sweet fragrance.
Overwatering may reduce blooms.
Common Problems With Snow-in-Summer
Snow-in-summer is rarely a bother and will grow without much intervention.
However, keep an eye out for these signs of potential problems.
Some plants may be older and need replacing after two to three years.
Grows Weedy
Snow-in-summer will grow fast and aggressively in climates that have cooler summers.
It’s best to divide weedy snow-in-summer plants to keep them neat.
Mow the plants if the patch looks weedy after they bloom.
Snow-in-summer can grow fairly aggressively or weedy but it is not always considered invasive.
Snow-in-summer is considered a drought-tolerant plant and perfect forwaterwise gardens.
One small patch of snow-in-summer can spread as much as 2 to 3 feet in one season.
Cerastium tomenstosum.North Carolina State Extension.
Waterwise Garden Planner for Southern California.
Boreal chickweed.Invasive Plant Atlas of the United States.
