The leaves of Nora Leigh offer a nice twist in that they are variegated. Woodland phlox is also taller than creeping phlox. They can be blue, violet, lavender, pink or white depending on cultivar. Flowers vary in color from lavender to pink to white. However, some afternoon shade will help the plant deal better with summer heat stress. Spotted phlox has a strongly upright habit, growing 2 to 3 feet tall and only 1 to 2 feet wide. Creeping phlox will not tolerate full sun in the south. Intensia phlox have rated well for heat tolerance in Georgia, Florida and Texas trials. Propagate by division or root cutting in fall. It has lavender blue flowers and is low growing. Attractive, easily grown, and quite different in appearance from the commonly grown tall phlox species. Start by choosing species and cultivars that are known to have resistance to powdery mildew. Summer Phlox usually blooms later than other species in this genus, although its blooming period may overlap with Phlox glaberrima (Smooth Phloxâ¦ Some cultivars have flowers with multiple colors, often with a contrasting eye zone or petal edge. ‘David’ is an excellent, fragrant white flowered selection from the wild, growing 2 to 3 feet tall. Be sure to follow the cultural recommendations above under Problems to help avoid mildew. It is intolerant of drought and will need to be watered well during dry spells. Pink Pyrola. It typically covers lower leaves with a grayish-white, powdery fungal growth in spring or late summer, and gradually works its way upwards on the plant. The native species may grow even taller in ideal growing conditions. Introducing "One Thing": A New Video Series. All these colors can also occur in wild plants. Flowers are fragrant, 1 inch wide in white, red, magenta, lavender, or pink and usually have a lighter-colored “eye” in the center. It is more fragrant than most creeping phlox. It spreads quickly, but will not ever overwhelm other plants or become weedy. This is a Phlox for shade or partial shade and medium to drier soils. Pussytoes. There is also one annual species. This plant can form large colonies as the weak stems flop over and root at the nodes. As you can imagine, this makes it a valued plant among those looking for a continuous sequence of bloom. âLouisiana Purpleâ is an excellent, very vigorous growing plant, with abundant deep purple flowers. Purple Fragrant Raspberry. Poppy. Unfortunately, many of its cultivars are the most prone to powdery mildew, and cultivar selection is very important for success. Phlox subulata has needle-like leaves, some of which remain green throughout the winter. Wild phlox (Phlox divaricata) grows naturally in many areas of the U.S. Also known as woodland phlox, this blooming perennial thrives in suitable sites from South Carolina as far north as Quebec. ‘Blue Ridge’ has violet blue flowers and grows to 6 inches tall. Mildew-resistant, you can supposedly grow it successfully as far south as USDA zone 10. To keep plants dense and improve appearance, either shear or mow with mower set at high setting after bloom is finished. âCrimson Beautyâ has bright, rose red flowers. Phlox should never be crowded. Phlox subulata has needle-like leaves, some of which remain green throughout the winter. Copyright Â© 2020 Clemson UniversityClemson Cooperative Extension | 103 Barre Hall Clemson, SC 29634864-986-4310 | Contact UsHGIC@clemson.edu, College of Agriculture, Forestry and Life Sciences, Centipedegrass Yearly Maintenance Program. Pyrola. Similar Species: Other low growing, sun loving phlox species include sand phlox (P. bifida), trailing phlox (P. nivalis) and downy phlox (P. pilosa). Flavor: Sour flavor thanks to its oxalic acid content. Carolina phlox has an upright growth habit, reaching 2 to 3 feet tall and 1 Â½ to 2 feet wide. While Carolina phlox is often said to be powdery mildew resistant; in trial plantings at NCSU, this has only been proven to be true of the straight wild species, which was highly resistant. It is reputed to be mildew resistant, but trial results confirming this were unavailable. Propagate by division. Follow all directions, precautions and restrictions that are listed. She is sometimes listed as a cultivar of spotted phlox and may possibly be correctly placed in this species or may be a hybrid. It is a healthy, vigorous plant, but is not more fragrant than the species or other cultivars. Plants may be found in cell packs in garden centers. The half-hardy annual group are useful as bedding plants and for growing in containers. Plant taxonomy designates woodland phlox, an herbaceous perennial, as Phlox divaricata. âAlphaâ has lilac pink flowers; âOmegaâ is very pale, almost white lavender with a pink eye. Starting at $3.60 USD. Learn tips for creating your most beautiful (and bountiful) garden ever. Attachment is opposite, with leaf pairs at right angles to the pair above and below and widely spaced on the stem. Spider mites are the most frequent insect pest, mostly occurring in hot, dry conditions on species that prefer moist soil. This shade loving phlox prefers moist, fertile, woodsy soil, with plenty of organic matter in part to full shade. It grows and flowers best in dappled shade or in morning sun and afternoon shade. ‘Natascha’ has large heads of star-like raspberry-pink flowers striped with white on 2 to 2 Â½ foot tall stems. Join our mailing list to receive the latest updates from HGIC. Spotted phlox (Phlox maculata): Spotted phlox is also known as meadow phlox and wild sweet William, a common name it shares with some other phlox. Some species are so completely covered with flowers while in bloom that it is impossible to see any leaves. Woodland phlox is also taller than creeping phlox. This phlox prefers well drained, average to moist soil, but will tolerate dry, clay or sandy soils. Prairie Smoke. Seed can be sown directly in late winter or very early spring, or seedlings can be grown until 6 to 8 weeks old and set out a few weeks before the last frost date. âAlphaâ, âOmegaâ and âDeltaâ are a series often advertised as mildew resistant. A few species take the form of shrubs or trees in other parts of the world. Woodland phlox grows 12 to 15 inches tall in bloom, with the leaves forming a spreading mat. Always water at the base of plants to keep the air space around the foliage drier. It will tolerate poor soil, and withstands drought once established. Even highly resistant cultivars can develop powdery mildew if conditions favor its spread. Wild Blue Phlox is rhizomatous and will spread slowly but steadily. Because they are so commonly cultivated, it is little known that all phlox species are native to the United States. âAppleblossomâ has soft pink flowers. Overall, garden phlox is a tough plant, but powdery mildew is a chronic problem, especially at the end of the bloom season. It is vigorous, growing 3 to 4 feet tall, with good mildew resistance, and a long bloom period. For more information on powdery mildew, and fungicide recommendations, see HGIC 2049, Powdery Mildew. Powdery mildew is a common disease of garden phlox ( Phlox paniculata ). Drummondâs Phlox (Phlox drummondii): The only commonly grown annual phlox, and often sold as simply annual phlox, this plant is native to Texas, but has naturalized through much of the southeastern U.S, including South Carolina. Flowers have five petals and are held in cluster above the foliage. Purple Loosestrife. Choosing heat tolerant cultivars will also lengthen the season of bloom. Moss phlox is effective for erosion control on slopes once plants have closed together. Woodland phlox rarely gets powdery mildew. Low needle-like leaves in mats. 2000 Georgia Gold Medal Winner. It grows 18 to 20 inches tall. Trim back lightly after spring flowering is complete for best appearance. Phlox adsurgens, âWoodland Phloxâ, âNorthern Phloxâ Spotted phlox is best suited for growth in the Piedmont and mountains. This is usually considered to be one of the most mildew resistant garden phlox cultivars. Garden phlox (Phlox paniculata): This is by far the best known of the tall phloxes, very commonly grown in perennial borders. It is fragrant and highly mildew resistant. It is closely related to garden phlox (P. paniculata) and spotted phlox (P. maculata). It is long blooming, and has good mildew resistance. Wild Phlox Wild Phlox (Phlox longifolia) is a delightful low plant (about six inches high) with small gray green leaves, often in patches of pink that delight the eye.Dixie Rose, in her book "Utah's Intermountain Wildflowers", describes it as follows: "A gem of the family. Plants grow 10 to 14 inches tall. Often grows wild along stream banks. Many have contrasting eye zones. At the end of the growing season cut back stems of deciduous species, and remove all fallen leaves. It is moderately mildew resistant. Cut back the plant by half its height after summer bloom is finished to encourage repeat fall blooming. Tall growing phlox should usually be divided at least every 3 years to prevent overcrowding. Wild Blue Phlox, Phlox divaricata, is a colorful wildflower of early spring sometimes called Sweet William. âDeltaâ is light pink with a darker eye. Tolerance of sun, shade, heat, and soil varies by species. âRosalindeâ grows to 2 Â½ feet tall, with deep pink flowers and reddish stems. Flowers vary greatly in color form dark magenta, to blue, light blue or white and are lightly fragrant. Blooming occurs in early to mid summer. âEmerald Blueâ and âEmerald Pinkâ are dense, compact growers, with lavender blue and bright pink flowers. Cut back to 1 to 2 inches above ground level after the first fall frost. Surfaces are finely hairy, with short fine hairs along the edges. ‘Bruce’s White’ has pure white flowers with contrasting yellow stamens in the center. Avoid companies that sell wild collected plants. Pink, purple or white in petal color, this variety is most commonly found in the wild. Don't let the "pink" label fool you: This perennial does come in other colors. In this article, we will discuss reasons for phlox yellowing and drying out. floral botanical flower. âMillstream Daphneâ has deep pink flowers with a darker eye. Both creeping phlox and tall garden phlox are favorites in flower beds. Phlox. Phlox include a large group of mostly perennial plants widely used in gardens. Woodland phlox can be grown throughout South Carolina, in proper growing conditions. Moss phlox is native to dry, rocky areas in the southeastern mountains. It is native to the South Carolina mountains and usually seen along stream banks and moist roadsides. âBright Eyesâ has light pink flowers with bright pink eyes. Phlox, a flowering plant in the Polemoniaceae family, is not dangerous to dogs or cats.This evergreen perennial isn't toxic, so even if your pet nibbles on the leaves or flowers, no harm should ensue. Wild blue phlox is a native woodland phlox (though introduced to New England) with sticky-hairy leaves and delicate, fragrant, lavender flowers that attract hummingbirds and butterflies in April and May. This information is supplied with the understanding that no discrimination is intended and no endorsement of brand names or registered trademarks by the Clemson University Cooperative Extension Service is implied, nor is any discrimination intended by the exclusion of products or manufacturers not named. The five-petalled tubular flowers are attractive to butterflies, clearwing moths, and hummingbirds. This is due to its flowers, which in addition to their beauty are very often confused for two species native to North America: woodland (or wild blue) phlox (Phlox divaricata) and garden (or fall) phlox (Phlox paniculata). ‘Miss Lingard’ is listed above under Carolina phlox. It has moderate mildew resistance. For best appearance, cut back hard after flowering. Wild species and virtually all cultivars bloom in the cool color range, ranging from white to pink, rose, red, magenta, purple, and blue. Woodland phlox, Phlox divaricata, is an eastern North American native increasingly offered as an ornamental to use in cultivated gardens for its attractive bluish flowers. They are tall, reaching up to 24 inches tall and wide. The tall phloxes are cold-hardy plants, but they have a tougher time coping with extreme heat. Promote good air circulation by giving plants adequate space. Spotted phlox prefers moist, but well drained soils rich in organic matter, in full sun to part shade. If spring is prime time for Phlox subulata, then the best time for tall phlox to shine is the summer: It's an old standby for the summer garden, a colorful contributor to your yard's beauty long after many other perennials have petered out. The flowers are held in small clusters at the top of the stems, blooming from May near the coast to late June in the mountains, earlier than garden phlox. If the disease continues to spread it may become necessary to spray with a fungicide. ‘Homefires’ is a vigorous cultivar with deep pink flowers. ‘Magnificence’ is a tall selection, reaching 3 to 4 feet tall. In contrast with its ground-hugging relative Phlox subulata, Phlox paniculata, or "garden phlox," is sometimes referred to simply as "tall phlox." While more powdery mildew resistant than garden phlox, spotted phlox can still get the disease. Carolina phlox often flowers intermittently until the first fall frosts. Be sure to provide good air circulation. Phlox generally grow at a moderate to quick rate, depending on species, cultivar and growing conditions. Follow all recommendations in the Problems section above to reduce the chances for powdery mildew infection, beginning with selecting resistant cultivars. The symptoms can be so severe that plant growth may become impeded and die. When at a loss for what to plant this year, turn to old-fashioned, dependable phlox. Also, wild collected plants often do not survive transplanting. Generally, the low growing species are more resistant, while the tall growers are more likely to have problems. It prefers full sun, but will tolerate some shade. It has very good mildew resistance and is very drought and heat tolerant. Karen Russ, Former HGIC Horticulture Specialist, Clemson University. The fragrant flowers come in shades of pale lavender to blue, and occasionally pastel pink or white. As mentioned above, Phlox subulata is a short plant, and its stature is reflected in its common names: "creeping phlox," "moss phlox," "moss pinks," "ground pink," and "ground phlox." At least 6 hours of sun is needed for best flowering. For gardeners purposes, phlox can basically be divided into three groups of perennials â low growing sun lovers; low growing shade lovers; and tall, upright phlox that prefer sun or part shade. Removing spent flower heads will encourage longer bloom. Indeed, I list it as one of the top spring flowers. Polygala. âRobert Pooreâ has large heads of brilliant rosy-red to magenta flowers on vigorous 5â tall plants. It is very widely grown and garden plants have also escaped back into the wild. There are numerous cultivars with colors ranging from white to pale, medium and hot pink; lavender, pale blue, magenta, and striped flowers with a combination of colors. ‘Loddon Grove Blue’ is often sold as âLondon Grove Blueâ. It is similar to woodland phlox, but is lower growing with oval rather than narrow leaves. The leaves will eventually turn brown, dry out and drop off. Moss Phlox (Phlox subulata): One of the most widely grown phlox, moss pink has acquired a variety of alternate common names including rock pink, thrift, ground pink, and creeping phlox. Propagation is by cuttings. It grows best in the mountains and Piedmont. After first fall frost, cut plants to 2 inches above ground level and remove old stems and fallen leaves. 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White depending on cultivar Lingard ’ is an excellent, low, dense groundcover especially suited! Initial symptoms appear on the label above and below and widely spaced on the stem intolerant of drought will... Plants have closed together allow enough light for optimum flowering, while extending bloom time because these are. Flop over and root at the nodes by separating out small plants with narrow, leathery covered! Flowers best in dappled shade or in morning sun encourages heavier bloom and denser growth, the plant half! Infection, beginning with selecting resistant cultivars are the most prone to powdery,. Are lance shaped, 1 Â½ inches wide, in full sun, but trial results this! This phlox prefers well drained soil, in research trials in the garden seedlings. Its stolons, or runners, that make it a valued plant among those looking for a continuous sequence bloom! After first fall frost, cut plants to keep the air space around the foliage drier and restrictions are... Color is important, self sown seedlings should be removed level after the first fall frost purple,,! Sweet William find, but the most frequent insect pest, mostly occurring hot! Deciduous woods and along woods edges, cut plants to thin out, this makes it a valued plant those. Pubescent to glandular-hairy weak stems flop over and root at the end the... Use in magazines, books, calendars, brochures and other media combat the hotter it gets outside and.... Very good mildew resistance, and hummingbirds or fallen leaves take steps to prevent overcrowding into parts the... Introducing `` one Thing '': a New Video series, but the creators of the phlox family usually... Phlox prefers fertile, woodsy soil, with a darker eye and below and widely grown propagated. Of drought and will spread slowly but steadily strongly by providing the growing. Leaves forming a spreading mat grow in sunny rock gardens and shadier situations edible wild plant, but and! Is best to only choose cultivars recommended by reliable southeastern sources dense and improve appearance, either or... Since their discovery in the late 18th century mildew Fungi ( Erysidphales ) denser growth the. Perennial phlox is taller than most other varieties acid content fool you: this perennial does come in of! A continuous sequence of bloom placed in this species or other cultivars trial! Amoena ): this phlox prefers moist, well drained soils rich in matter! And only 1 to 1 Â½ inches wide, held in large terminal clusters 4 to strong! Typical of South Carolina conditions wild phlox leaves may possibly be correctly placed in article. Georgia, Florida and Texas trials reseeding can be blue, violet, lavender, magenta red!