Cacti are known for being low-maintenance, but they’re surprisingly easy to get wrong. My Grandpa taught me that caring for them isn’t about doing more, but about understanding them.

Another plant you can start with is bonsai. Discover more in: Bring a tree inside: an easy bonsai guide.

What are cacti?

Cacti are flowering plants from the Cactaceae family, which includes about 2,000 species. They are mainly native to North and South America. While some cacti live in tropical areas, most grow in dry environments (Source: Britannica, 2026).

Physical characteristics

To better understand how to care for cacti, it helps to look at their main features.

• Cacti are succulent plants with thick, green stems that store water and perform photosynthesis.
• They have areoles, small structures from which spines, flowers, and new growth develop.
• Most cacti lack leaves or have them modified into spines, reducing water loss.
• They have shallow, wide roots that quickly absorb surface moisture.

My Grandpa always reminds me to wear special gloves to protect my hands from spines.

(Source: Britannica, 2026)

What is special about cacti?

Beyond their appearance, cacti have unique adaptations that help them survive.

• Drought resistance: Cacti can survive for months without water thanks to their ability to store it in their thick stems. As Grandpa always says, “Too much water is worse than none.”

• Soil and habitat: They can grow in unusual environments, including rocky soils, deserts, and even on other plants.

• Reproduction: Cacti reproduce in several ways:
  • by sexual reproduction (via pollination and seed production)
  • by vegetative reproduction (plantlets growing at the base)
  • by fragmentation (broken parts root and form clonal individuals)

• Uses: Cacti are mainly grown as ornamental plants, but some are used as food (e.g. Opuntia and Cylindopuntia) or have medicinal and cultural uses (e.g. peyote, from Lophophora williamsii, used ceremonially since pre-Columbian times).

• Flowers: Cacti produce often large and colorful flowers, which can be short-lived and are usually adapted to attract pollinators like insects, birds, or bats.

(Source: Britannica, 2026)

Tips from Grandpa

How to take care of a cactus

Desert cacti (arid)

• ☀️Full, direct sunlight (at least 6 hours a day).
• 💧Allow the soil to dry out completely before watering.
• 🌱Well-draining cactus soil with sand and perlite.

Here are some examples of desert cacti:

(Source: Gardenia.net)

Jungle cacti (humidity)

• ☀️ Bright, indirect light
• 💧Regular watering (allow the top layer to dry out before watering)
• 🌱Well-draining cactus soil with organic material

Here are some examples of jungle cacti:

(Source: Gardenia.net)

Final considerations

Caring for cacti may seem simple, but understanding their natural environment is the key to helping them thrive. By choosing the right type of cactus and adjusting light, water, and soil conditions, even beginners can grow healthy and beautiful plants.

Remember that patience is essential: cacti grow slowly, but with proper care, they reward you with unique shapes and sometimes stunning flowers. As Grandpa teaches, the secret is not to do more, but to do it right: observe your plant, respect its needs, and enjoy the process of watching it grow. 🌵

In the end, caring for a cactus is not just about keeping a plant alive; it’s about learning patience and attention to detail.

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Bibliography:

• Encyclopaedia Britannica (April 10, 2026). Cactus. Retrieved April 20, 2026, from https://www.britannica.com/plant/cactus
• Gardenia.net. (s.d). 40 types of cactus perfect for your home. Retrieved April 20, 2026, from https://www.gardenia.net/guide/types-of-cactus-for-your-home-best-indoor-varieties
• U.S. Fish & Wildlife Service. (April 1st, 2026). Generalized Anatomy of a Cactus. Retrieved April 20, 2026, from https://www.fws.gov/media/generalized-anatomy-cactus

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