Ferocactus glaucescens aka Blue Barrel
Taxonomy ID: 1140
Ferocactus glaucescens, also known as the glaucous barrel cactus, is a spherical or cylindrical cactus native to the limestone hills of Hidalgo, Mexico. It can grow up to 60 cm in diameter and has a grey-green stem. The cactus is adorned with long yellow spines and produces yellow funnel-shaped flowers in the summer. In cultivation, it is best grown under glass in temperate regions. This species has gained the Royal Horticultural Society's Award of Garden Merit. There is also a spineless form known as Ferocactus glaucescens forma nuda (inermis). As the plant ages, it can produce multiple heads and form a large mound. It is sometimes mistaken for Ferocactus echidne and may even hybridize with that species.
Common names
Blue BarrelMore information about Blue Barrel
How difficult is it to take care of Blue Barrel
Blue Barrel is a low-maintenance plant that requires minimal attention, making it an excellent choice for beginners.
What is the region of origin of Blue Barrel
Blue Barrel’s native range is Southwestern United States and Mexico.
What are the water needs for Blue Barrel
Blue Barrel does best in dry soil and should only be watered sparingly.
What is the right soil for Blue Barrel
When it comes to the Blue Barrel, a potting soil that is too moist can cause problems. For this reason, it's important to use a soil mix that is well-draining and does not retain too much moisture. A soil that includes perlite or vermiculite for drainage and organic matter for nutrition is ideal. You can achieve this by simply adding a few scoops of perlite to your store-bought cactus soil.
What is the sunlight requirement for Blue Barrel
Blue Barrel requires abundant, bright and direct light. Placing it less than one foot from a window is the best way to make sure the plant receives enough light to survive and thrive. Depending on your region, however, the current weather can affect the placement of the plant in your home. For example, in some areas the sun may be too direct and intense, so it's best to place it farther away from the window. You may also need to adjust your placement according to the season as the sunlight can change intensity over the course of the year. If you live in a region with significant temperature fluctuations, such as a desert, you may need to place the plant a bit farther away from the window to avoid extreme heat or cold. With some care and attention, your Blue Barrel will be sure to bring you many years of beauty and enjoyment.
What's the right humidity for Blue Barrel
Blue Barrel enjoys dry environments, but misting the plant or providing extra humidity can create an environment for harmful fungi to thrive on the leaves.
How to fertilize Blue Barrel
The growth of Blue Barrel is not rapid and it doesn't necessitate any extra fertilization. By replacing its potting soil once a year, it should receive ample nutrition. It is important to note that plants obtain their energy from the sun's rays, not from fertilizers.
Is Blue Barrel toxic to humans/pets?
Ploi's records do not contain confirmed information on the toxicity of this particular plant. In the event of accidental ingestion of plant material with questionable toxicity by you, a family member, or a pet, it is always a good idea to consult a healthcare professional.
What seasonal care does Blue Barrel need?
During the cold period, it is common for Blue Barrel to go dormant and their growth may slow down, so waterings should be spaced out more during this period.
More info:
Wikipedia
More Species in Ferocactus Genus

Ferocactus macrodiscus Candy Cactus

Ferocactus wislizenii Arizona Barrel Cactus

Ferocactus gracilis Fire Barrel Cactus

Ferocactus emoryi Covill's Barrel Cactus

Ferocactus viridescens San Diego Barrel Cactus

Ferocactus cylindraceus Le Conte Barrel Cactus

Ferocactus hamatacanthus Texas Barrel Cactus

Ferocactus latispinus Devil's Tongue Cactus

Ferocactus robustus
