Generated by Gemini AI for Phlox drummondii
Annual Phlox Plant Care
Phlox drummondii Hook.
Phlox drummondii is a flowering plant in the genus Phlox of the family Polemoniaceae. Native to Texas, it is also widely distributed in the southeastern United States, especially along public highways.
Every 7–10 days
Full sun to partial shade
60–75°F
40–60%
What Is the Annual Phlox?
Annual Phlox (Phlox drummondii) belongs to the Polemoniaceae family within the Phlox genus. Annual Phlox is native to Texas. Annual Phlox is also known as Drummond's phlox, Texas phlox.
Annual Phlox displays a clumping perennial growth habit, reaching up to 1.5 inches tall with a spread of approximately 1 inches. Annual Phlox produces colorful clusters of small, star-shaped flowers.
Leaf size: approximately 2 inches.
How Often Should You Water a Annual Phlox?
Phlox drummondii requires watering every 7–10 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.
Watering Frequency
Every 7–10 days
Let soil partially dry between waterings
What Light Does the Annual Phlox Need?
Annual Phlox thrives in full sun to partial shade light conditions. The optimal light range is 200–1000 lux. Avoid placing Annual Phlox in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Full sun to partial shade
200–1000 lux
What Temperature and Humidity Does the Annual Phlox Prefer?
Phlox drummondii grows best at temperatures between 60°F and 75°F. Annual Phlox prefers humidity levels of 40–60%.
Temperature
60–75°F
Humidity
40–60%
What Soil Mix Works Best for a Annual Phlox?
Well-draining, fertile soil with a neutral pH. Good drainage is essential for Annual Phlox to prevent waterlogging, which leads to root rot and fungal issues.
How Do You Repot a Annual Phlox?
Divide and replant every 3-4 years. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.
How Do You Propagate a Annual Phlox?
Annual Phlox can be propagated through seeds, division. Similar propagation techniques also apply to creeping phlox plant care, which shares the same genus.
Fertilizing
Every 6 months
During the growing season
Is the Annual Phlox Toxic to Pets and Children?
Non-Toxic
Non-toxic to humans and pets
What Pests and Diseases Affect the Annual Phlox?
Annual Phlox is susceptible to aphids, spider mites. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.
What USDA Hardiness Zone Does the Annual Phlox Need?
Annual Phlox grows outdoors in USDA Zone 13a. Native to Texas, Annual Phlox is adapted to warm climates. In cooler regions, grow Annual Phlox as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
Annual Phlox is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.
It belongs to the Phlox genus — compare its care with other Phlox species on PlantoScan.
Annual Phlox tolerates low-light rooms and shaded spots — browse the full list of low-light plants.
More Phlox Species
Other Phlox species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
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