Cactus

Cacti are some of the most cherished and low-maintenance houseplants. Their origin in desert climates allows them to survive considerable drought. They come in a variety of shapes and sizes, but they all have one peculiar characteristic in common: sharp spines that cover the plant's body. Although they can go weeks without water, cacti need plenty of sunlight to thrive.

FUN FACT

Some plants you think are cacti are actually succulents!

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How to care for your cactus

Use these instructions to care for a cactus. This guide will tell you how to water a cactus; its light, temperature, and humidity preferences, and any additional care it may need to help it grow.

They need as much sunlight as possible from early spring through late fall. They can handle indirect sunlight, but will thrive in full sun.

Water it moderately. Once it's completely dry, give it a long shower until the water runs through the pot's drainage. It doesn't like standing water, so drain it well. Always water carefully to avoid splashing water on the plant.

It does not require additional humidity, it will thrive in dry environments.

It prefers temperatures between 25°C and 32°C. Keep it away from anything that causes temperature fluctuations, such as heating systems or air conditioners.

It can be fertilized once in spring and once in summer, always with moist soil. These seasons are ideal, as it is in the growth phase.

Some may be toxic, depending on the species.

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Common Problems for Your Cactus

Cactus scab is most commonly found on prickly pear cactus, but it can also affect other varieties. You may have noticed similar markings on your produce: scab is very common on tomatoes, cucumbers, and cabbage.

While it may seem worrying, scabs are nothing special.

to fear. Cactus scab is a form of edema, or a patch of abnormal cell growth. It almost always occurs on older parts of the plant.

Here are some things to consider:

Temperature

Keep your cactus away from any cool breezes or drafts, especially during the winter months. Cacti like to stay cozy and warm.

Light

Is your cactus getting enough light? Cacti prefer bright, indirect light, but can tolerate lower light during the winter months, when growth naturally slows.

Water

Make sure not to overwater it! Water your cactus when it's almost completely dry. When you water, be sure to completely saturate the soil, enough so that water flows freely from the drainage hole at the bottom of the pot. It's very important not to leave any excess water in the saucer. Your cactus doesn't like "wet feet."

If you notice that your cactus is wrinkled and soft, it needs a drink!

Incredibly dry soil

While cacti are known for requiring very little water, they do require some , so don't forget about them completely! Both underwatering and overwatering are incredibly common issues among cacti. Maintaining the right humidity level is a delicate balance, but cacti are very forgiving.

Excess water can lead to root rot and scab, which appears as rust-

Corky areas on the stems. Cacti should be allowed to dry completely between waterings. In well-drained soil, your cactus requires water every 10 to 14 days during the summer.

Months. If you're unsure whether to water, check the root zone 2 to 3 inches below the soil surface. If the soil is slightly moist, don't water until it has dried.

If you're noticing wrinkles on your cactus, particularly toward the base, your plant is very dry and a soak is in order. It may seem counterintuitive to give a cactus a big drink, but you'll be amazed at how your cactus will absorb the water and plump back up.

Here's how to soak your cactus:

1. Place your plant in your sink or tub without the saucer. Fill the basin with about 3-4 inches of water. Make sure the water isn't too hot!
2. Let your plant absorb water through the drainage hole at the bottom of the pot for at least 45 minutes.
3. Feel the top of the soil after your plant has been soaked, has the water reached the top 2-3" of soil?
4. If not all of the soil feels saturated, lightly water your Cactus from the top of the soil to help speed up saturation.
5. When your plant's soil is evenly moist, drain the sink/tub and let the plant rest while it drains well. Return the plant to its saucer and place it back in its proper location.