The “Old Man Cactus” is a beloved potted plant, with a tall, cylindrical shape and spines resembling hair that grow long, similar to that of an elderly man. When in its natural environment, it can live to be an incredible 200 years old.
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Care and Propagation Information
The threat of endangerment for Cephalocereus senilis, also known as “Old Man Cactus,” has been reduced due to the cactus’ popularity and its ability to be propagated with ease. As a result, this species is no longer under the risk of extinction.
The lengthy, white spines of “Old Man Cactus” help protect it from the strong sun and keep it cool. This cactus grows slowly, particularly when planted in a container.
Watering
For “Old Man Cactus”, it is advisable to follow the “soak and dry” technique, leaving the soil to dry out fully in between waterings, as this meets the typical water requirements of a succulent.
Where to Plant
If you live in a place that gets temperatures lower than 30° F (-1.1° C), it’s best to place Cephalocereus senilis in a container that can be moved indoors during cold weather. Make sure to put the pot in an area of your garden that gets 6 hours of sunlight daily.
How to Propagate Cephalocereus senilis “Old Man Cactus”
Cephalocereus senilis, or “Old Man Cactus,” is a slow-growing cactus with red or yellow flowers that bloom at night. This species is easy to propagate from seeds, and the seeds can be collected from the fruit. Although propagating from seed may be the most economical route, it could take up to two decades for the cactus to bloom, so it is recommended to buy seeds from a reliable source.
To successfully grow Cephalocereus seeds, make sure you are using a soil that allows for proper drainage. If you live in an area with a mild climate (Zone 9a or higher), you can sow the seeds outdoors. If the climate is cooler, it’s best to sow the seeds indoors under a grow light or on a seed mat.
Care and Propagation Information
General Care for Cephalocereus senilis “Old Man Cactus”
The lengthy, white spines of “Old Man Cactus” help protect it from the strong sun and keep it cool. This cactus grows slowly, particularly when planted in a container.
Watering
For “Old Man Cactus”, it is advisable to follow the “soak and dry” technique, leaving the soil to dry out fully in between waterings, as this meets the typical water requirements of a succulent.
Where to Plant
If you live in a place that gets temperatures lower than 30° F (-1.1° C), it’s best to place Cephalocereus senilis in a container that can be moved indoors during cold weather. Make sure to put the pot in an area of your garden that gets 6 hours of sunlight daily.
How to Propagate Cephalocereus senilis “Old Man Cactus”
Cephalocereus senilis, or “Old Man Cactus,” is a slow-growing cactus with red or yellow flowers that bloom at night. This species is easy to propagate from seeds, and the seeds can be collected from the fruit. Although propagating from seed may be the most economical route, it could take up to two decades for the cactus to bloom, so it is recommended to buy seeds from a reliable source.
To successfully grow Cephalocereus seeds, make sure you are using a soil that allows for proper drainage. If you live in an area with a mild climate (Zone 9a or higher), you can sow the seeds outdoors. If the climate is cooler, it’s best to sow the seeds indoors under a grow light or on a seed mat.
FAQ
How fast does Old Man Cactus grow?
How much light does an Old Man Cactus need?
This plant thrives with well-draining soil and full sunlight, though some light afternoon shade is best. It will grow more hair in bright light. During summer, give it a moderate amount of water and cut back on watering in winter, when temperatures drop below 10 degrees Fahrenheit.
How do you take care of Cephalocereus senilis?
Cephalocereus senilis can survive in dry conditions, so it is important to only water them when the soil is completely dried out. Give the soil a thorough soaking to make sure it is fully saturated. After that, wait at least a few days to check if the soil needs more water.
How do you care for a Cephalocereus senilis?
The Cephalocereus senilis enjoys lots of direct sunlight and warmth, so during the summer months it should be located in a bright area with either a southern or western exposure. Be sure to allow the soil to completely dry out before engaging in a deep watering of the plant, as too much and too frequent watering can cause root rot.
How big does Old Man Cactus grow?
In the wild, this plant may grow to be up to 50 feet tall, however when grown as a houseplant, it will usually only reach a maximum height of 3-4 feet.