Garden phlox 'David' (Phlox paniculata 'David')

Garden phlox 'David'

Also known as: Summer phlox 'David'

Garden phlox 'David' is a cultivar of the Garden phlox (Phlox paniculata), selected for the color of its flowers. Unlike the flowers of the parent plant which are rarely white in nature, this cultivar has pure white flowers, arranged in attractive panicles. It is also noted for its extreme resistance to powdery mildew.

Scientific classification

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Perennial, Annual

Lifespan

Herb

Plant Type

Summer, Fall

Bloom Time

Fall

Harvest Time

1 m

Plant Height

1 m

Spread

Green

Leaf Color

Deciduous

Leaf type

20 - 35 ℃

Ideal Temperature

Summer, Fall

Growth Season

Moderate

Growth Rate

Quickly Identify Garden phlox 'David'

Robust plant reaching 4 feet (1.2 meters) tall.

Densely packed tubular white flowers in pyramidal clusters.

Explosive dehiscence of dry capsules for seed release.

Lance-shaped leaves with prominent parallel veins.

Stiff, upright stems with minimal branching, no staking needed.

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Care Guide for Garden phlox 'David'

Every week

Water

Full sun

Sunlight

20 - 35 ℃

Ideal Temperature

Water: Garden phlox 'David' thrives in rich, moist soil and prefers consistent moisture, benefiting from higher humidity. Water weekly to maintain balance. Cultivated outdoors, mulching is essential for moisture retention and temperature regulation during the growing season.

Pruning: Garden phlox 'David' features vibrant blooms and a tall stature. Prune in early spring, removing dead stems and cutting back by one-third for bushier growth. Deadhead spent flowers to encourage blooming. Regular pruning improves airflow, minimizing mildew risk. Always use clean, sharp tools.

Propagation: Garden phlox 'David' can be propagated via stem cuttings by selecting healthy stems and making incisions below a node. Use rooting hormone, plant in well-draining soil, and keep consistently moist with indirect light until new growth appears, signaling successful rooting.

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Common Pests & Diseases

Flower withering Leaf wilting Dark blotch Leaf rot Flower wilting

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