T
The Daily Insight

Can creeping phlox be cut back

Author

Elijah King

Published May 14, 2026

The stems can be cut back after flowering to promote a second bloom. Care of creeping phlox may also include cutting the plant back in late winter to allow for rejuvenation and to produce young, more compact stems.

How do you prune overgrown creeping phlox?

The leggy stems of Phlox subulata should be pruned in late spring after the blooms have faded. After flowering, remove dead stems from your creeping moss phlox, according to Mississippi State University Extension. Carefully prune any stems sticking out above the plant to even out the plant.

When should phlox be cut back?

Garden phlox can be kept more compact by cutting them back in late spring or early summer. Remember last summer’s Joe-Pye weed (Eutrochium spp.) with those eight-foot- tall flowers that required a ladder to see?

Do you cut back creeping phlox in winter?

Creeping phlox remains evergreen so it never requires trimming in fall. In areas without heavy winter snows, cut back tall phlox varieties once the plants die back naturally in late fall or early winter. Prune the plants to within a few inches of the ground.

Will phlox rebloom if cut back?

Phlox will reseed itself so there need never be a year without these lovely flowers. Deadheading phlox blooms will prevent much of that reseeding. Removing phlox flowers that are spent has this benefit and a few others as well. Some gardeners deadhead phlox flowers to confine the spread of the plant.

Why are my creeping phlox dying?

Roots die as a result of over-watering. The garden phlox becomes more susceptible to infections and pest infestations; plants may collapse and die. To control wilting due to improper watering, simply scale back or water more often so soil remains moist without drying out completely or becoming excessively saturated.

How do you prune phlox for winter?

Phlox in winter Perennial phlox will grow back year after year but it is best, right after the first frost spells, to cut the foliage short. It would quickly turn black if left on the plant. Protect with a fair layer of dead leaf mulch.

How do you prune phlox plants?

Phlox doesn’t normally require pruning, but if you want to delay blooming and get bushier plants with more flower heads, pinch or cut back the stems by one-third to one-half in early summer. Deadheading the spent flowers may also extend the bloom period and prevent phlox spreading from unwanted reseeding.

Does creeping phlox come back every year?

Phlox are easy-to-grow perennials that come back reliably every season. … Creeping Phlox blooms in mid-spring. It looks great planted with spring-blooming bulbs, like Daffodils and Tulips, or as an edging plant, or planted on slopes or stone walls where it can spill over the edge.

Can you divide creeping phlox?

Creeping phlox clumps should be split on a cool, cloudy day. They should be lifted by pushing the tip of a shovel or garden fork into the soil 4 to 6 inches away from the plant on all sides then lifting the entire clump with the shovel tip or garden fork.

Article first time published on

Should I cut back my phlox in the fall?

Phlox (Phlox paniculata) Phlox is prone to powdery mildew, and even the resistant varieties can become infected in bad weather. 9 If so, prune and destroy all foliage and stems in the fall. Even if the plant is healthy, it will benefit from some thinning to increase airflow and prevent disease.

Why is my creeping phlox not blooming?

Some possible reasons they don’t bloom include: Not enough sun. They need at least 6 hours of full sun. Powdery mildew weakening the plant.

How long does creeping phlox stay in bloom?

Blooming profusely for 3-4 weeks in mid to late spring, Creeping Phlox boasts bright, fragrant flowers in shades of blue-purple, pink, red or white. Each flower is adorned with five, flat, petal-like, rounded lobes that are distinctively notched. Mat-forming, Phlox subulata grows only 4-6 in.

Does creeping phlox turn brown in winter?

Winter drying occurs when creeping phlox foliage is exposed to cold winter winds and direct sunlight. Even though they are evergreen, the plants go dormant in the winter and can’t absorb moisture to keep the leaves hydrated.

What perennials are not cut back in the fall?

Don’t cut back marginally hardy perennials like garden mums (Chrysanthemum spp.), anise hyssop (Agastache foeniculum), red-hot poker (Kniphofia uvaria), and Montauk daisy (Nipponanthemum nipponicum).

Do you cut back Black Eyed Susans in the fall?

Cut off faded and wilted Black Eyed Susan blooms throughout the growing season to keep the plant tidy and in control. … In autumn, cut Black Eyed Susan back to about 4” tall (10 cm.) or, if you wouldn’t mind a few more Black Eyed Susan plants, let the last blooms go to seed for the birds.

Will creeping phlox grow in mulch?

Creeping Phlox is a hardy, dependable groundcover plant that is widely used in rock gardens, and to suppress weeds on hard-to-mow slopes. … The plant will spread and take root in the mulch, gradually expanding the clump until it covers a wide area.

Should I cut back phlox with powdery mildew?

Healthy phlox plants can be cut back by half after the flowers fade from late summer to fall to prevent reseeding. … Phlox is prone to the disease powdery mildew, which disfigures the plants from the bottom up, covering them in a whitish powder. Cut infected plants back to the ground for winter with pruning shears.

Can you walk on creeping phlox?

Creeping Phlox Phlox preferes direct sunlight and well-drained soil, and it’s durable enough to walk on throughout the year.

Will creeping phlox take over other plants?

Creeping Phlox makes perfect partners with other plants and helps create strikingly beautiful combinations in the garden.

How far will creeping phlox spread?

Growing only 3-8 inches tall (7-20 centimeters), but spreading as wide as 9 inches up to 2 feet (22-60 centimeters), creeping phlox is an ideal ground cover and companion plant.

Does creeping phlox flower all summer?

Creeping phlox blooms for approximately six weeks late in the spring and into the early part of the summer in all zones where it grows.

Should I cut back all my perennials for winter?

No. Although it’s recommended to leave them in place until spring, perennials will usually survive if cut back. … Some perennials, like mums, always winter best with tops left in place. When leaving perennial tops intact during winter, cut them back in spring before new growth emerges from ground level.

Why are phlox leaves turning yellow?

Nutrient deficiencies, lack of water, improper lighting, and chemical drift can also cause yellow, dried out phlox plants. In addition to fungal diseases and unsatisfactory environmental conditions, phlox plants can fall victim to viral diseases such as mosaic virus, curly top virus, and aster yellows.

How long does creeping phlox take to spread?

Like other ground covers,creeping phlox takes a few years to reach maturity — about two years on average, according to the North Carolina State University Cooperative Extension. This means it grows an average of about an inch per month.

What can I plant with phlox?

Where to Plant Garden Phlox. Perennial Gardens Garden phlox is a good companion for other summer-blooming perennials such as lilies, bee balm, rudbeckia, Shasta daisies, yarrow, clematis and daylilies. In flowerbeds, the taller cultivars provide a good backdrop for shorter plants.

What is the difference between moss phlox and creeping phlox?

Garden phlox (​Phlox paniculata​), hardy in USDA zones 4 through 8, has clusters of flowers atop three- to four-foot-tall stems. … Moss phlox, also known as creeping phlox and thrift (​Phlox subulata​) is a low-growing plant that is used in alpine rock gardens and to edge garden paths and flower beds.

Do rabbits eat creeping phlox?

Rabbits love Crocuses. In our garden, they also have a particular fondness for Tulips and Phlox, especially Woodland Phlox (Phlox divaritica). They also like certain ornamental grasses, like Japanese Forest Grass (Hakonechloa).

Are moss phlox and creeping phlox the same?

Phlox subulata, known as creeping phlox or moss phlox, is also frequently called “thrift.” This plant is a true member of the phlox family. … Rather than the low growing, creeping habit of their namesake, these plants grow in compact, grassy mounds. They prefer drier, well-drained soil and full sun.