How to Care for Your Cacti & Succulents

Cacti and succulents are easy to care for and make beautiful additions to your home. Whether you keep them on a sunny windowsill, in a bathroom, kitchen, greenhouse, or living room, these simple tips will help keep your plants healthy and happy.

Position & Light

Cacti and succulents love bright light and will thrive in a sunny spot whenever possible. A windowsill with plenty of natural daylight is ideal.

They can still survive in lower light areas, but growth may slow down and plants may lose some of their shape or colour over time.

Different rooms in your home can suit different plants:

1. Sunny windowsills & conservatories: Ideal for most cacti
2. Living rooms & kitchens: Great if they receive good daylight
3. Bathrooms: Suitable for some succulents if the room is bright
4. Greenhouses: Excellent, but plants may need more frequent watering

Rotate plants occasionally so they grow evenly towards the light.

Watering

The biggest misconception about cacti is that they never need watering — they do!

Spring to Autumn (March–September)

During the warmer months, water your plants whenever the compost feels dry. This is usually around once a week, but it may vary depending on how warm and bright the location is.

Plants in:

1. bright, sunny spots will dry out faster
2. cooler or lower-light areas will need less water

When watering:

1. Water the compost thoroughly
2. Allow excess water to drain away
3. Do not leave plants sitting in water for long periods

You can water from above using a watering can with a gentle rose attachment.

Winter Care (October–February)

In winter, your plants grow more slowly and need less water.

Most cacti and succulents only need a light watering approximately every two weeks, sometimes less in cooler rooms.

Lithops (Living Stones) need very little water during winter.

Caring for Planted Arrangements

Mixed cactus or succulent arrangements in bowls and decorative containers need a little extra attention because several plants are sharing a smaller amount of compost.

Containers Without Drainage Holes

Many decorative ceramic or terracotta pots do not have drainage holes, so it is important not to overwater.

1. Ceramic containers: Light watering around every two weeks
2. Terracotta containers: Water slightly more often, as terracotta dries out faster

Plant Health & Common Problems

Your cactus or succulent will usually tell you when something is wrong. Here are some common signs to look out for and how to help keep your plants healthy.

Signs Your Plant Needs Water

Your cactus or succulent may need watering if:

1. The compost looks very dry
2. The pot feels unusually light
3. The compost pulls away from the sides of the pot
4. The plant looks wrinkled, dull, grey, or slightly shrunken
5. Decorative gravel sinks or pulls away from the edges

Sunlight & Sunburn

Cacti and succulents love bright light, but sudden intense direct sun can sometimes cause sunburn — especially if a plant is moved onto a hot windowsill, into a conservatory, or outdoors during warm weather.

Signs of sunburn can include:

1. Pale, bleached, or brown patches
2. Scarring on the side facing the sun
3. Soft or dry damaged areas

To help prevent sunburn:

1. Introduce plants gradually to brighter sunlight
2. Take extra care during heatwaves or in very hot rooms and greenhouses
3. Avoid placing newly purchased plants straight into intense midday sun

Common Pests

The most common pest is mealy bug, which appears as small white fluffy patches around the plant, between the ribs, or in the growing points.

Treatment

If you spot mealy bug:

1. Wipe them away with a cloth or cotton bud
2. Rinse gently with water if possible
3. Use an organic soap-based insect spray suitable for houseplants
4. Methylated spirits can also be applied carefully with a small paintbrush directly onto the insects

Always test treatments on a small area first.

Extra Tips

1. Dust can build up on plants indoors — an occasional gentle rinse helps keep them healthy
2. Avoid placing cacti directly beside radiators or cold draughts
3. Most cacti prefer good airflow and natural daylight
4. If in doubt, it is usually better to underwater slightly than overwater

With the right balance of light and watering, your cacti and succulents can thrive for many years.