Polemoniaceae
Annual Phlox: Ground Cover Plant
Phlox drummondii
Grow in full sun in well-drained soil, keeping it evenly moist during hot weather. Deadhead spent blooms to prolong flowering and ensure good airflow to prevent powdery mildew.
Every 4 days
Bright indirect
° - °C
% - %
Categories
What is Annual Phlox?
Annual Phlox (Phlox drummondii) is a medium-care plant from the Polemoniaceae family. Phlox drummondii, known as annual phlox or Drummond's phlox, is a fast-growing annual native to Texas, prized for dense clusters of star-shaped flowers in red, pink, white, lavender and purple. It thrives in full sun and is popular in beds, borders and containers.
Annual Phlox grows up to 38cm, spread of 46cm, watering every 4 days. It is not suitable for indoor environments and safe for pets.
Unlike many popular species, Annual Phlox is safe to keep around pets.
How to Care for Annual Phlox?
TLDR: Annual Phlox needs Bright indirect, watering every 4 days, and temperatures between 15-30°C with 40-70% humidity.
How Often Should You Water Annual Phlox?
Water regularly to keep the soil evenly moist, especially in heat; avoid waterlogging, which causes crown rot.
How Much Light Does Annual Phlox Need?
Provide at least 6 hours of direct sun for the best flowering; it tolerates light afternoon shade.
What Is the Best Soil for Annual Phlox?
Plant in loose, well-drained soil with a pH between 6.0 and 8.0.
What Pot Should You Use for Annual Phlox?
Use a well-drained bed or container; terracotta pots suit its need for good drainage.
Care Schedule
Fertilize
Every 14 days
Misting
Every 3 days
Rotate
Every 7 days
Repot
Every 365 days
What Is Annual Phlox and Where Does It Come From?
Phlox drummondii, known as annual phlox or Drummond's phlox, is a fast-growing annual native to Texas, prized for dense clusters of star-shaped flowers in red, pink, white, lavender and purple. It thrives in full sun and is popular in beds, borders and containers.
How Big Does Annual Phlox Grow?
TLDR: Annual Phlox can reach up to 38cm tall with Fast growth rate.
Max height
38cm
Spread
46cm
Growth rate
Fast
Foliage
Deciduous
Plant Uses
Ornamental
Great for decoration
Ground Cover
Soil coverage
Is your plant showing symptoms?
Click on the symptom to discover possible causes:
What Diseases Commonly Affect Annual Phlox?
TLDR: Annual Phlox is susceptible to 5 known diseases. Monitor regularly for early detection.
Powdery Mildew
Powdery mildew is a common fungal disease caused by various fungi species including Erysiphe, Podosphaera, Oïdium, and Leveillula. It affects over 10,000 plant species worldwide. The disease thrives in warm, dry climates with high humidity and appears as a distinctive white powdery coating on plant surfaces.
Spider Mites
Spider mites are tiny arachnids (less than 1/20 inch long) related to spiders and ticks that feed on plant sap. They thrive in hot, dry conditions and can cause significant damage to ornamental and vegetable plants. During severe infestations, crop losses can reach 14% or higher as these pests disrupt vital plant processes including photosynthesis, carbon dioxide absorption, and transpiration.
Crown Rot
Crown rot is a serious fungal disease that attacks the crown (base) of the plant where the stem meets the soil. It is caused by various fungal pathogens including Phytophthora, Fusarium, and Rhizoctonia. The disease thrives in waterlogged conditions and can quickly spread to kill the entire plant if not addressed promptly.
Aphids
Aphids are small, soft-bodied, pear-shaped insects (1/16 to 1/8 inch long) that feed by sucking nutrient-rich sap from plants. They reproduce rapidly and can quickly weaken plants, causing distorted growth and transmitting plant viruses. Aphids come in various colors including green, black, red, yellow, brown, and gray. They secrete honeydew, a sticky substance that attracts ants and encourages sooty mold growth.
Meaning & Symbolism
Represents harmony, sweet agreement and united souls.
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