Spreading phlox (Phlox diffusa) is a plant species that grows well on rugged mountain slopes, sagebrush plains, and in rocky regions. “Phlox” comes from an ancient Greek word for “flame.” “Diffusa” is a Latin term meaning “spread out” or “wide.”
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Perennial
Lifespan
Herb
Plant Type
Late spring
Bloom Time
Summer
Harvest Time
5 cm to 20 cm
Plant Height
1.8 m
Spread
Evergreen
Leaf type
5 - 32 ℃
Ideal Temperature
Spring, Summer
Growth Season
Slow
Growth Rate
On This Page
Images
Attributes
Culture
Care Guide
FAQs
Common Diseases
Images of Spreading phlox
Attributes of Spreading phlox
Growth Rate
Spreading phlox's growth rate is slow, carefully unfurling during the spring and summer. This deliberate pace facilitates compact, resilient growth, enabling efficient use of resources to produce dense clusters of dainty flowers. Such gradual growth safeguards against seasonal fluctuations, favoring longevity over rapid expansion.
Culture
Symbolism
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Care Guide for Spreading phlox
Every week
Water
Full sun
Sunlight
5 - 32 ℃
Ideal Temperature
Garden Soil
Soil Type
Water:
Spreading phlox thrives in well-drained, moderate moisture soils, requiring weekly watering for optimal health. It prefers consistent moisture without oversaturation and excels outdoors, particularly during its growing season when soil balance is maintained with adequate drainage.
Fertilize:
For spreading phlox, use a balanced fertilizer in spring to boost roots and foliage, then switch to high phosphorus during blooming. Fertilize monthly, adhering to product guidelines, while avoiding over-fertilization. Reduce feeding in dormancy and consider diluting fertilizer to half-strength to prevent root burn.
Pruning:
Spreading phlox requires pruning to enhance growth and flowering, ideally in early spring or late winter. Remove damaged stems to improve air circulation and prevent overcrowding, promoting vigorous blooms and a tidy look. Consult reliable horticultural sources for pruning best practices.
Propagation:
A perennial favorite, spreading phlox is best started through sowing in a well-drained medium suitable for its alpine origins. Light surface coverage aids germination, requiring consistent moisture and sunlight. With patience, gardeners can enjoy a vibrant spread of spreading phlox in their outdoor spaces.
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