Silver torch cactus is an ideal landscape plant

The Silver Torch Cactus is an eye-catching & easy-to-care-for plant that is ideal for any landscape! Silver Torch Cactus also known as Cleistocactus strausii, is a cactus family perennial floral plant. It is native to southern Bolivia, where it grows in hilly environments at high heights. With its lovely flowers and unique spines, it’s sure to bring some character wherever you set it.

Cleistocactus strausii
Cleistocactus strausii

Silver Torch Cactus brief summary

Cacti occur in an amazing variety of sizes, shapes, and colors. Growing a Silver Torch cactus plant will bring one of the most beautiful representations of already planted succulents into your house. Make sure you have enough space for the several ten-foot (3-meter) stems.

This striking cactus develops slender columns up to eight to ten feet tall. It is a vigorous grower that has interesting, silvery blue spines on hairy, bluish-gray columns. The silver torch begins to flower when the columns reach about eighteen inches tall. The decorative flowers are deep red or burgundy and protrude from the sides of the columnar stems and along the tips.  Use it in combination with other columnar cacti and succulents in exotic cactus gardens. Plant the silver torch in foundations, raised planters, containers, courtyards, or narrow, confined spaces. It looks interesting when mixed with other columnar cacti along a tall wall with its striking silvery blue color. This cactus is native to high, mountainous regions in Bolivia and Argentina.

How to propagate silver torch cactus?

Silver Torch Cactus can be reproduced(propagate) by both seeds and cuttings.

By Seeds

If you opt to propagate via seed

  • Plant the seeds in a cactus mix or well-draining potting soil.
  • Water the soil until it is slightly wet, then set the pot in a warm position with bright, indirect light.
  • After a few weeks, the seeds should sprout.
  • When the seedlings are tall enough, put them into their own pots.

Using Stem Cuttings

Propagation via cuttings:

  • In the spring or summer, take a clipping from a branching stem of the parent plant.
  • Allow a week or two for the cutting to callus before putting it in a cactus mix or well-draining potting soil.
  • Provide moist conditions and set the pot in a warm, indirect light spot. In four to eight weeks, the cutting will sprout.
  • It may be transplanted into its own pot after it has roots.

Note: Stem cuttings must be taken from the plant’s base, and this has a considerable impact on the plant’s aesthetics.) This isn’t suggested unless your main stem has plenty of room. As a result, seed propagation is common. Because these cacti blossom fast in culture, obtaining a few seeds is simple.)


In the summer, the Silver Torch Cactus produces gorgeous, bright-red flowers. They will only blossom if they are exposed to direct sunshine for an extended period of time. The blooms are tube-shaped and emerge from the stems’ sides. Only the stamens and the outside of the petals are visible when these blooms open completely.

silver torch cactus flower
silver torch cactus flower


This colorful plant grows swiftly in the summer with additional moisture, although it is normally drought-resistant. The silver flame-like to be kept dry during the winter and will decay if exposed to too much water. It prefers full sun or moderate shade. The plant is hardy to roughly thirteen to fifteen degrees Fahrenheit but can exhibit indications of tip frost in the low twenties.

Common factors for Silver Torch Cactus

There are some common factors that are necessary for the silver torch cactus’s fast growth.


The Silver Torch Cactus is an exception among cacti since it does not tolerate hot conditions as well as others in its family. It really likes considerably lower temperatures, between 40 and 50 degrees Fahrenheit. However, if kept dry, it is resistant to temperatures well below freezing, withstanding temperatures as low as 14 degrees Fahrenheit. Treat this one differently than typical cactus since its temperature requirements are slightly different.

Location And Lighting

The Silver Torch Cactus thrives in full sunlight. It can take some partial shade, but it will not blossom as well. If your area is subjected to severe sunshine on a daily basis, it is preferable to give some afternoon shade to keep the plant from getting too much direct sunlight.


Silver torch growth prefers arid climates. They, like other cacti, cannot survive prolonged exposure to moisture. Ordinary room conditions are generally enough; no particular precautions are required.


During the growth season, Silver Torch Cactus like to be fertilized. So, from early spring through the end of summer, fertilize with a low-nitrogen fertilizer twice a month. Just make sure the meal is diluted.


Silver Torch Cactus is drought-tolerant but likes moderate watering during the growing season. To allow the roots to grow properly, water the plant thoroughly yet rarely. After watering, ensure sure the soil is completely dry before watering again. Watering should be reduced even further during the winter months since the plant will fall dormant.

Potting and Replanting a Silver Torch Cactus

A container or a ground hole is used to cultivate the Silver Torch Cactus. If you decide to grow your plant in a pot, it will require repotting every few years or if the roots get too crowded. When repotting, choose a pot that is only marginally bigger than the present one and a well-draining potting soil or cactus mix. Following repotting, give the plant a thorough soaking. After the soil has dried out completely, water the plant once more. For optimal results, use a common cactus mix as the potting soil.

What are the common issues of silver torch cactus?

The Silver Torch Cactus is a tough cactus that is resistant to most pests. However, mealybugs can infest it on occasion. Mealybugs are little, white insects that feed on plant sap. They can limit plant development and induce stress. Wash them away with a stream of water or use a normal insecticide to get rid of them.

Must check out Torch cactus propagation and care tips if you are planning to add some unusual low-maintenance cacti to your landscape.


I am a wanderer and nature enthusiast seeking a touch of lush green. I truly loveeeeee chill nights, good company, and mellow vibes. Welcome to my blogs, and let's have some fun together!

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