Firethorn Plant Care
Pyracantha coccinea M.Roem.
Pyracantha coccinea, the scarlet firethorn is the European species of firethorn or red firethorn that has been cultivated in gardens since the late 16th century. The tree has small white flowers.
Every 7–14 days
Full sun to partial shade
50–85°F
40–70%
What Is the Firethorn?
Firethorn (Pyracantha coccinea) belongs to the Rosaceae family within the Pyracantha genus. Firethorn is also known as Scarlet Firethorn.
Firethorn displays an upright, dense shrub growth habit, reaching up to 10 inches tall with a spread of approximately 8 inches. Firethorn produces clusters of small white flowers in spring, followed by orange to red berries.
Leaf size: approximately 2 inches.
How Often Should You Water a Firethorn?
Pyracantha coccinea requires watering every 7–14 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 7–14 days
Let soil partially dry between waterings
What Light Does the Firethorn Need?
Firethorn thrives in full sun to partial shade light conditions. The optimal light range is 200–1000 lux. Avoid placing Firethorn 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 Firethorn Prefer?
Pyracantha coccinea grows best at temperatures between 50°F and 85°F. Firethorn prefers humidity levels of 40–70%.
Temperature
50–85°F
Humidity
40–70%
What Soil Mix Works Best for a Firethorn?
Well-draining loamy soil with added compost for nutrients. Good drainage is essential for Firethorn to prevent waterlogging, which leads to root rot and fungal issues.
How Do You Repot a Firethorn?
Repot every 2-3 years in early spring. 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 Firethorn?
Firethorn can be propagated through softwood cuttings, hardwood cuttings.
Fertilizing
Every 6 months
During the growing season
Is the Firethorn Toxic to Pets and Children?
Toxic to Pets & Children
Berries are toxic if ingested, can cause mild gastrointestinal upset
What Pests and Diseases Affect the Firethorn?
Firethorn is susceptible to aphids, scale insects, 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 Firethorn Need?
Firethorn grows outdoors in USDA Zone 6a – 9b. In cooler regions, grow Firethorn as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 6a – 9b
Keep exploring plants
Firethorn 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 Pyracantha genus — compare its care with other Pyracantha species on PlantoScan.
Firethorn tolerates low-light rooms and shaded spots — browse the full list of low-light plants.
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