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Phlox (Garden Phlox), paniculata ‘Starfire’

‘Starfire’ has the truest red flowers and is a strong grower. ‘Starfire’ is a garden phlox cultivar which typically grows in an upright clump to 38″ tall. Fragrant, tubular flowers (1/2″ to 1-inch diameter) with long corolla tubes and five flat petal-like lobes are bright deep red.

Garden phlox is a staple of the perennial border. Phlox ‘paniculata’ have large fragrant flowers in large, dense pyramidal clusters. Provides unsurpassed flowering in summer, clear crisp colors and flowers in profusion. Phlox are showy, clump-forming perennials that are easy to grow and look spectacular in borders or mass plantings.

Best grown in well-drained soil. Mixes well with other perennials and provides long summer bloom. Regardless of flower color, garden phlox is attractive to hummingbirds and is a good selection for inclusion in a bird garden. Remove flowers when faded. Lift and divide every three or four years to prevent crowding. Good fresh cut flower. Great in borders, rock gardens, formal beds and meadows.


# Description Qty per Unit Units Available Price/Unit
PX150BAG Phlox (Garden Phlox), paniculata 'Starfire' 25 24 $42.00

Plant Details +

Botanical Phlox paniculata 'Starfire'
Common Name Garden Phlox
Family Polemoniaceae
Size #1
Height 38"
Spacing 12-18"
Hardiness Zones 3-9
Exposure Full sun to partial shade
Foliage Green, lance-shaped
Flower Red
Bloomtime July - September

General Information +

General Characteristics: Fragrant, tubular flowers (1/2" to 1" diameter) with long corolla tubes and five flat petal-like lobes are red. Individual flowers are densely arranged in large, terminal, pyramidal clusters (panicles to 6-12" long) in summer atop stiff, upright stems which seldom need staking. Long mid to late summer bloom sometimes extends into early fall. Narrow, opposite, pointed, lance-shaped leaves (to 5" long). The name phlox is derived from the Greek word for flame.

Planting/Care Instructions +

Planting Instructions: Dig a hole large enough to encompass the roots without bending or circling. Set the plant in place so the crown (part of the plant where the root meets the stem) is about 1-2 inches below the soil surface. Cover with soil to the original soil surface and water thoroughly. Grow in moderately fertile, medium wet, well-drained soil in full sun to light shade. Best in full sun. Prefers rich, moist, organic soils. Needs good air circulation (space well and thin out stems as needed) to help combat potential powdery mildew problems. Intolerant of drought and needs to be watered in dry spells. Avoid overhead watering, however. Appreciates a summer mulch which helps keep the root zone cool. Remove faded flower panicles to prolong bloom period and to prevent unwanted self-seeding.

Pests or Diseases: Phlox is not always an easy plant to grow. Powdery mildew and root rot can be serious problems. Spider mites and plant bugs can also be a problem, particularly in hot, dry conditions.