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Blankets of sparkling small white blooms from late spring to early summer give this tough perennial groundcover its name. After the blooms fade, the plant’s wooly silver foliage remains; it can handle some of the toughest droughts.
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6 to 12 inches
Where to Plant Snow-in-Summer
Snow-in-summer provides a sturdy option for adding botanical beauty to the cracks of retaining walls and between the stones in a rock garden. Because this plant excels at self-seeding, you're likely to find it in your garden where it has never been planted.
Snow-in-Summer Care Must-Knows
Since snow-in-summer is native to dry, rocky areas, keep drainage top of mind when growing this plant. If snow-in-summer's soil stays wet for long periods of time, the plant's roots may rot. Snow-in-summer does not handle high humidity and summer heat well, especially if the plant remains wet. Consider this plant to be a short-lived perennial, or even an annual, if you plan on growing it in a warmer climate.
For the brightest silver foliage, make sure your low-growing snow-in-summer gets full sun. Anything less and it runs the risk of rot, the foliage becomes more gray-green, and the plant gets leggy.
In a less-than-ideal environment, snow-in-summer can be temperamental. But if its ideal conditions are met, snow-in-summer can become aggressive and even invasive. One way to control the spread is to remove spent blooms (and any potential seeds) right after the plant flowers. Since snow-in-summer typically finishes flowering all at once, you can trim back the whole plant at one time. Regular trimming also keeps the foliage compact instead of long and leggy. Snow-in-summer spreads by runners, too, so keep them trimmed to prevent unwanted growth. As this plant ages, it may begin to die out in the middle. Remedy the situation by digging up the plant, dividing it, and either replanting the pieces or sharing them with friends and neighbors.