Smooth phlox (Phlox glaberrima)

Smooth phlox

Smooth phlox (*Phlox glaberrima*) is an upright, clump-forming, lipomatous perennial plant species. Smooth phlox grows in moist meadows, low woods, and along riverbanks. This species attracts butterflies, moths, and bees.

Scientific classification

Species

Smooth phlox (Phlox glaberrima)

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Perennial

Lifespan

Herb

Plant Type

Green

Leaf Color

2.5 cm

Flower Size

Pink, Purple

Flower Color

Semi-evergreen

Leaf type

0 - 32 ℃

Ideal Temperature

Spring, Summer

Growth Season

Moderate

Growth Rate

Images of Smooth phlox

Attributes of Smooth phlox

Growth Rate

Aided by a moderate growth rate, smooth phlox balances growth and resiliency during its active growing seasons of spring and summer. This rate results in consistent plant height increase, sturdy stem development, and timely bloom production during these warmer months. Slight growth deceleration may occur in late summer, ensuring energy conservation for the next season.

Distribution of Smooth phlox

Distribution Map

Smooth phlox, a species of phlox, is native to forests and grasslands in the temperate regions of the Eastern North American continent. Its growing presence has additionally been marked by cultivation in various non-native regions, signifying smooth phlox's extended range where the climate allows.

Native

Cultivated

Invasive

Introduced

No species reported

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Habitat

Wet woods, thickets

Hemisphere Trend Curve

Northern

Sorthern

Culture

Symbolism

Our souls are united.

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Quickly Identify Smooth phlox

Tall blooms in rose to purplish hues reaching 2-3 feet (60-90 cm) in spring.

Glabrous, lanceolate leaves with a prominent central vein and shiny, deep green color.

1-inch (2.5 cm) flowers with 5 flat, rounded petals emit a delicate fragrance.

Fruit is a narrow seed capsule holding tiny seeds, present from June to July.

Leaves arranged in 10-20 opposite pairs, thick, hairless, with pointed tips and rounded base.

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Care Guide for Smooth phlox

Every week

Water

Full sun

Sunlight

0 - 32 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Smooth phlox thrives in moist meadows, requiring consistent moisture and weekly watering to support lush growth. It prefers higher humidity for indoor cultivation. As an herbaceous perennial, smooth phlox has critical water needs during its active growing season to ensure vibrant flowering.

Fertilize: To enhance blooming, fertilize smooth phlox in spring with balanced fertilizer (10-10-10) and monthly with high phosphorus. Avoid over-fertilization; adjust amounts seasonally. Use slow-release or diluted forms to prevent root burn. Beginners can use pre-measured spikes; experienced gardeners should customize based on soil tests.

Pruning: Smooth phlox thrives with pruning in early to late spring, involving the removal of dead stems and spent flowers. This technique fosters new growth, enhances air circulation, and reduces fungal infection risks. Always sterilize tools to prevent disease spread for healthier plants.

Propagation: Smooth phlox is propagated by sowing in well-draining soil, with optional pre-treatment like stratification to boost germination. Seeds should be lightly covered and kept moist. Thinning is necessary for seedlings, and monitoring light and temperature is crucial for healthy development.

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