Ferocactus pilosus
🍃leaf (5)
🌸flower (5)
🍎fruit (5)
🌳bark (5)
🌿habit (5)

Ferocactus pilosus

Mexican fire barrel cactus · Mexican lime cactus · Mexican Fire Barrel · Red Barrel Cactus · Ferocactus Pilosus

Tier 1 Difficulty: easy Water: low Light: full_sun
Water every
7 days
Temperature
20–37 °C
0
Hardiness
Zone 9–11
Click count
78
Observations
320

Description

Source: leafsnap

Ferocactus pilosus, commonly known as the Mexican Lime Cactus, is a cactus species native to Mexico. It is a slow-growing plant that can reach a height of up to 1 meter and a diameter of 60 cm. This cactus has a cylindrical shape adorned with ribs covered in dense white spines and woolly hairs. The spines can grow up to 5 cm in length and serve as protection against predators. In summer, the Mexican Lime Cactus produces bright yellow flowers, which are followed by small red fruits containing edible seeds. This cactus thrives in well-draining soil and full sun exposure, making it ideal for arid regions or xeriscaping gardens. It is drought-tolerant but requires occasional watering during the growing season. Traditionally, indigenous communities have used Ferocactus pilosus for medicinal purposes, including treating wounds, fever, and stomach ailments. Overall, Ferocactus pilosus is an attractive ornamental cactus species. Its unique features, such as dense white spines and woolly hairs, make it an excellent addition to any desert garden or succulent collection.

Care Guide

💧 Water Every 7 days

The Mexican firebarrel is well-suited to arid environments, needing water only once every three weeks and favoring dry soil. Adapted to hot climates, it effectively stores water during the rainy season, which reflects its natural desert habitat and makes it highly drought-tolerant.

Suggested frequency: Every 7 days
☀️ Light Full sun

Originating from dry regions, Mexican firebarrel performs best in full sun, as its native habitat is marked by intense sunlight and scant shade. It can also tolerate partial sun, providing some flexibility in its growth.

Ideal: Full sun
🌡️ Temperature 20–37.8°C

Mexican firebarrel does best in warm conditions and needs higher temperatures during the growing season to support growth and metabolism. It prefers plenty of sunlight, proper moisture levels, and good airflow. However, it is vulnerable to harm from very low temperatures and from too much watering. It's important to maintain a balance and to avoid temperatures that are too high and conditions that are too dry as well.

Ideal temperature: 20–37.8°C
FAQ
What is the Mexican firebarrel's botanical name?

The botanical name for the Mexican firebarrel is Ferocactus pilosus. It is a species known for its distinctive appearance but specific care requirements, symptoms of distress, and other essential details should be considered for proper cultivation and maintenance.

💨 Humidity dry (<40%)

This plant prefers dry conditions, so don't mist it. However, watering it less often can also thrive in higher humidity.

Humidity: dry (<40%)
🪴 Soil 0-0
Soil pH: 0-0
🌱 Fertilizer

Mexican firebarrel only needs light fertilizer applications once or twice a year during the growing season. Do not fertilize in winter or summer when the plant is dormant. Use less fertilizer for repotted specimens and wait a couple of months after repotting before applying fertilizer. Fertilizing supports healthy growth and promotes blooms.

🪴 Pot & Repot Every 3 years
Suggested frequency: Every 3 years
✂️ Pruning

The Mexican firebarrel cactus has a cylindrical shape and red spines, and it requires minimal pruning. To care for it optimally, remove any dead or damaged parts in early spring using clean tools. This pruning process enhances airflow and promotes the plant's health. Regular inspections help ensure the cactus's longevity, but be careful not to prune excessively, as this can disrupt its natural form.

🌿 Propagating
🐛 Diseases & pets
☠️ Toxicity

Although the Ferocactus Pringlei cactus is not toxic, its spines pose a hazard. They are known to penetrate protective gear such as gloves and boots when handling. They can be used as a source of water, however, they contain oxalic acid. If ingested on an empty stomach, it is likely to result in diarrhea.

Characteristics

Plant Type
Succulent
Life Cycle
Perennial
Genus
Ferocactus
Family
Cactaceae
Hardiness Zone
9-11
Mature Height
49 cm
Mature Spread
49 cm
Leaf Color
Green
Leaf Type
Evergreen
Flower Color
Red
Flower Size
5.08 cm to 6.35 cm
Bloom Time
Summer
Planting Time
Spring, Summer, Winter
Harvest Time
Late summer, Early fall, Mid fall
Native Area
Mexico

Tags (7)

Common Names (6)

en Mexican fire barrel cactus
en Mexican lime cactus
en Mexican Fire Barrel
en Red Barrel Cactus
en Ferocactus Pilosus
en Scarlet Savage Cactus