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.
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.
Related: Best White Flowers for Your Garden
Snow-in-Summer Care Must-Knows
Because snow-in-summer is native to dry, rocky areas, keep drainage top of mind when growing this plant. If 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 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. Because 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.
More Varieties of Snow-in-Summer
Snow-in-Summer Companion Plants
The quintessential cottage flower, pinks are treasured for their grasslike blue-green foliage and abundant starry flowers, which are often spicily fragrant. Depending on the type of pink, flowers appear in spring or summer and tend to be pink, red, white, rose, or lavender, but come in nearly all shades except true blue. Plants range from tiny creeping groundcovers to 30-inch-tall cut flowers, which are a favorite with florists. Foliage is blue-green.
Easy and undemanding, veronicas catch the eye in sunny gardens over many months. Some have mats with loose clusters of saucer-shaped flowers, while others group their star or tubular flowers into erect tight spikes. A few veronicas bring elusive blue to the garden, but more often the flowers are purplish or violet blue, rosy pink, or white. Provide full sun and average well-drained soil. Regular deadheading extends bloom time.
A yucca in bloom is a showstopper. It produces imposing spires of large, bird-attracting white flowers in summer and fall. The evergreen rosettes of stiff, sharply pointed leaves, often variegated with cream or white, are striking. Use them to punctuate the end of a walkway, mass them as a barrier, or plant them as accents throughout the border. Be careful not to site them away from paths or other places people could be scratched by their sharp leaves. Free-draining soil and sun is all yuccas require. This plant is also sometimes called Hesperoyucca.