Cactus and succulents are beloved for their unique appearance, low maintenance needs, and adaptability to various environments. This comprehensive guide covers the different types of cacti and succulents, their care requirements, and the benefits of growing these remarkable plants. Whether you’re a beginner or an experienced gardener, this guide will provide you with the knowledge to cultivate a thriving collection.
Introduction to Cacti and Succulents
What are Cacti and Succulents? Cacti and succulents are plants known for their ability to store water in their leaves, stems, or roots. This adaptation allows them to survive in arid environments.
While all cacti are succulents, not all succulents are cacti. The key difference lies in the presence of areoles – small, cushion-like structures from which spines, flowers, or new branches grow – found only in cacti.
Differences Between Cacti and Succulents Cacti are characterized by thick, fleshy stems and spines, which are modified leaves. Succulents, on the other hand, have a wide variety of leaf shapes and structures. Both types are adapted to conserve water, making them ideal for low-water gardens and indoor environments.
Native to the Sonoran Desert, can grow up to 40 feet
Barrel Cactus (Echinocactus grusonii)
Round, ribbed cactus with prominent spines
Full sun
Water infrequently
Sandy, well-draining soil
Known as “Golden Barrel” for its golden spines
Christmas Cactus (Schlumbergera bridgesii)
Known for vibrant winter blooms
Indirect light
Regular watering during growing season
Well-draining soil
Requires higher humidity than other cacti
Popular types of cacti / most common cultivated cacti
Popular Types of Succulents
SucculentsAloe Vera (Aloe barbadensis)Jade Plant (Crassula ovata)
Descriptions and Care Tips for Common Varieties
Type of Succulent
Description
Light Requirements
Watering Needs
Soil Type
Special Notes
Aloe Vera (Aloe barbadensis)
Medicinal plant with thick, fleshy leaves
Bright, indirect light
Minimal watering
Well-draining soil
Gel is used for its healing properties
Jade Plant (Crassula ovata)
Thick, shiny leaves, often tree-like
Bright light
Allow soil to dry between waterings
Well-draining soil
Can live for decades, considered good luck in Feng Shui
Echeveria (Echeveria spp.)
Rosette-forming succulent with colorful leaves
Full sun
Water sparingly
Well-draining soil
Many varieties with diverse colors and shapes
Popular types of succulents
Indoor vs. Outdoor Growing
Best Practices for Both Environments
Indoor Growing:
Light:
Natural Light: Place your cacti and succulents near south or east-facing windows where they can receive plenty of bright, indirect sunlight. Avoid north-facing windows as they typically do not provide enough light.
Artificial Light: If natural light is insufficient, use grow lights specifically designed for plants. LED grow lights are energy-efficient and can provide the full spectrum of light that plants need. Position the grow light about 6-12 inches above the plants and keep it on for 12-14 hours per day.
Containers:
Ensure all pots have drainage holes to prevent water from accumulating at the bottom, which can lead to root rot.
Terracotta Pots: These are ideal for cacti and succulents because they are porous, allowing excess moisture to evaporate more quickly.
Decorative Containers: If using decorative containers without drainage, place the plants in a plastic pot with drainage holes that fits inside the decorative pot. Remove the plastic pot for watering and let it drain completely before placing it back.
Humidity:
Most cacti and succulents prefer low humidity levels. Keep humidity around 30-50%. Avoid placing plants near humidifiers or in bathrooms.
Air Circulation: Ensure good air circulation around the plants to prevent fungal issues. A small fan can help maintain airflow in stagnant areas.
Outdoor Growing:
Climate:
Choose cacti and succulents that are suited to your local climate. Some species are more cold-hardy than others, while some thrive only in warm, dry conditions.
Frost Protection: In regions with cold winters, consider growing cacti and succulents in containers that can be moved indoors during frost periods. Alternatively, use frost cloths to protect outdoor plants.
Soil Preparation:
Amend garden soil with sand, gravel, or perlite to improve drainage. A good mix is one part garden soil, one part sand, and one part perlite or pumice.
Raised Beds: Use raised beds to ensure excellent drainage, especially in areas with heavy clay soils.
Watering:
Water deeply but infrequently, allowing the soil to dry out completely between waterings. This mimics their natural environment and encourages deep root growth.
Watering Schedule: In the growing season (spring and summer), water outdoor cacti and succulents every 2-4 weeks, depending on rainfall and soil moisture levels. During the dormant season (fall and winter), reduce watering to once a month or less.
Indoor: Use a moisture meter or the finger test to check soil moisture. Water when the top 2-3 inches of soil are dry. Pour water until it drains out of the bottom, then empty the saucer to prevent root rot.
Outdoor: Water early in the morning to allow excess moisture to evaporate during the day. Adjust frequency based on weather conditions.
Soil:
Use a cactus or succulent-specific potting mix. These mixes are designed to drain quickly and prevent root rot. You can make your own mix by combining regular potting soil with sand or perlite at a 1:1 ratio.
Light:
Indoor: Ensure 6-8 hours of bright, indirect light per day. Rotate plants periodically to ensure even growth and prevent them from leaning towards the light source.
Outdoor: Most cacti and succulents prefer full sun. Gradually acclimate them to direct sunlight to prevent sunburn, especially if they were previously grown indoors or in a shaded area.
Temperature: –
Maintain temperatures between 60-80°F (15-27°C) for optimal growth. During winter, keep indoor plants away from cold drafts and reduce watering.
Outdoor: Protect plants from extreme temperature fluctuations. In hot climates, provide some afternoon shade to prevent overheating.
Fertilization:
Feed cacti and succulents with a diluted, balanced fertilizer (e.g., 10-10-10) during the growing season (spring and summer). Fertilize once a month at half the recommended strength.
Indoor Plants: Use a liquid fertilizer to avoid over-fertilizing and damaging the roots.
Benefits of Cacti and Succulents
Cacti and succulents offer numerous benefits beyond their unique appearance. Whether you’re a seasoned gardener or a beginner, these plants can enhance your living or working space in multiple ways.
Aesthetic Appeal
Cacti and succulents are incredibly diverse, coming in a variety of shapes, sizes, and colors. Their striking and often sculptural forms can complement any interior design style, from minimalistic to bohemian. Here’s why they’re a visual delight:
Variety of Shapes and Sizes:
Columnar cacti like the Saguaro can grow tall and stately.
Rosette-shaped succulents such as Echeveria add a delicate, floral touch.
Trailing varieties like String of Pearls create a lush, cascading effect.
Color Spectrum:
Cacti and succulents are available in a wide range of colors from deep greens to vibrant reds, purples, and blues.
Some succulents, like the Jade Plant, can even change color based on sunlight exposure.
Textures:
From the smooth, waxy leaves of Aeoniums to the spiky exteriors of cacti, these plants offer a tactile experience.
Health Benefits
Bringing cacti and succulents into your home or office can also contribute to your well-being in several ways:
indoor cactus
Air Purification Efficiency of Common Houseplants and Succulents
Plant Name
Formaldehyde
Benzene
Trichloroethylene
Xylene/Toluene
Ammonia
Aloe Vera
35%
0%
0%
80%
0%
Snake Plant
52%
53%
13%
0%
0%
Spider Plant
95%
0%
0%
91%
0%
Peace Lily
82%
80%
50%
60%
30%
Echeveria
40%
0%
0%
0%
0%
Jade Plant
30%
0%
0%
0%
0%
English Ivy
78%
90%
0%
90%
0%
Areca Palm
47%
0%
0%
50%
0%
Chrysanthemum
78%
50%
41%
50%
90%
Dracaena
70%
60%
0%
50%
0%
Air purification efficiency by plant species
Notes:
Aloe Vera: Effective at removing formaldehyde and particularly good at eliminating xylene.
Snake Plant: Known for its overall air-purifying capabilities, especially for formaldehyde and benzene.
Spider Plant: Extremely effective at removing formaldehyde and xylene.
Peace Lily: A strong performer across multiple toxins, including benzene, trichloroethylene, and ammonia.
Echeveria and Jade Plant: While not as potent as other plants in air purification, they still contribute to a healthier environment by removing formaldehyde.
English Ivy: Very effective against benzene and xylene.
Areca Palm and Chrysanthemum: Effective at removing formaldehyde and other toxins.
Dracaena: Effective at removing formaldehyde and benzene.
Air Purification:
Plants like Aloe Vera and Snake Plant (Sansevieria) are known to filter out toxins such as formaldehyde and benzene, improving indoor air quality.
Humidity Regulation:
Through a process called transpiration, plants release moisture into the air, which can help maintain indoor humidity levels, especially in dry environments.
Psychological Benefits:
Studies have shown that having plants around can reduce stress and anxiety.
They can improve mood and increase productivity. A study by the University of Exeter found that adding plants to a workspace can boost productivity by 15%.
Healing Properties:
Aloe Vera is widely known for its medicinal properties, such as soothing burns and aiding in skin care.
Low Maintenance
Cacti and succulents are perfect for those who may not have a green thumb or a lot of time to dedicate to plant care. Their resilience and minimal care requirements make them ideal for busy lifestyles:
Infrequent Watering:
These plants store water in their leaves and stems, allowing them to survive on minimal watering. Depending on the species and environment, they may only need watering once every 2-4 weeks.
Easy Propagation:
Many succulents can be easily propagated from leaves or offsets, making it simple to expand your collection or share with friends.
Resilience:
They are hardy and can tolerate a range of conditions, from bright direct sunlight to lower light environments.
Environmental Benefits
In addition to their aesthetic and health benefits, cacti and succulents are also environmentally friendly choices:
Low Water Usage:
They are adapted to arid environments and require significantly less water compared to other houseplants, making them a sustainable choice, especially in drought-prone areas.
Sustainability:
By growing these plants, you’re contributing to water conservation efforts. Their minimal water needs make them an eco-friendly option for indoor and outdoor gardening.
Summary of Benefits
To summarize, here’s a quick list of the key benefits of cacti and succulents:
Aesthetic Appeal:
Diverse shapes, sizes, and colors.
Textural variety.
Health Benefits:
Air purification.
Humidity regulation.
Stress reduction and mood enhancement.
Healing properties.
Low Maintenance:
Infrequent watering.
Easy to propagate.
Resilient to various conditions.
Environmental Benefits:
Low water usage.
Support sustainable gardening practices.
Common Cactus Problems and Detailed Solutions
Overwatering:
Problem: Overwatering leads to root rot, characterized by blackened, mushy roots and yellowing or translucent leaves.
Solution:
Remove the plant from its pot and inspect the roots. Trim away any black, mushy roots with sterile scissors.
Allow the plant to dry out for a few days.
Repot in fresh, dry, well-draining soil.
Adjust your watering schedule to ensure the soil dries out completely between waterings.
Underwatering:
Problem: Underwatering causes the plant to shrivel, with wrinkled or shriveled stems and leaves.
Solution:
Water the plant thoroughly, ensuring water reaches the roots.
Establish a regular watering schedule, adjusting based on the plant’s needs and the environment.
Monitor soil moisture levels regularly to avoid future underwatering.
Incorrect Lighting:
Problem: Too much direct sunlight can burn the leaves, causing them to turn brown and crispy. Insufficient light can cause etiolation, where the plant becomes leggy and stretches towards the light.
Solution:
For sunburn, move the plant to a location with filtered or indirect light.
For etiolation, gradually introduce the plant to more light to avoid shock. Consider using grow lights to supplement natural light.
Pests (Mealybugs, Spider Mites):
Problem: Mealybugs appear as small, white, cottony insects, while spider mites cause tiny red or brown spots and webbing.
Solution:
Isolate affected plants to prevent the spread of pests.
Treat with insecticidal soap or neem oil. Apply according to the product instructions.
For spider mites, increase humidity and regularly spray the plants with water to disrupt their life cycle.
By Crisco 1492 – MealybugsBy Gilles San Martin – Spider mite / Tetranychus urticae with silk threads
Pest
Identification
Solution
Mealybugs
White, cottony insects found on stems and leaves.
– Isolate affected plants to prevent spread.
– Remove mealybugs with a cotton swab dipped in rubbing
alcohol.
– Treat with insecticidal soap or neem oil.
Spider Mites
Tiny red or brown spots on leaves, with fine
– Increase humidity by misting plants regularly.
webbing between stems and leaves.
– Spray plants with water to dislodge mites.
– Treat with insecticidal soap or neem oil.
common pest to most varieties of cactus and succulents
5. Root Rot:
Problem: Root rot is caused by poor drainage and overwatering, leading to blackened, mushy roots and wilting.
Solution:
Remove the plant from the soil and cut away any affected roots.
Let the plant dry out before repotting in fresh, well-draining soil.
Adjust watering practices to prevent future occurrences.
Detailed Watering Schedule Solution
Indoor Plants:
Spring and Summer (Active Growing Season):
Water every 1-2 weeks, allowing the soil to dry out completely between waterings.
Check moisture levels by sticking your finger into the soil up to the second knuckle; if it feels dry, it’s time to water.
Fall and Winter (Dormant Season):
Water every 3-4 weeks, as plants require less moisture when they are not actively growing.
Ensure the soil dries out thoroughly before watering again to prevent root rot.
Outdoor Plants:
Spring and Summer:
Water every 2-4 weeks, depending on local rainfall and temperature.
Water deeply, ensuring the moisture reaches the root zone.
Fall and Winter:
Reduce watering to once a month or less, especially in cooler, wetter climates.
Adjust frequency based on weather conditions and plant needs.
Conclusion
As a passionate gardener who has cultivated and admired the resilience and beauty of cacti and succulents, I can attest to the sheer joy they bring to any indoor or outdoor space. These remarkable plants, with their diverse shapes, vibrant colors, and unique adaptations, have captured the hearts of enthusiasts worldwide.
In conclusion, cultivating cacti and succulents offers not only a visually stunning landscape but also a rewarding journey of discovery and care. From selecting the perfect varieties to providing optimal growing conditions and addressing common challenges, the process of nurturing these plants fosters a deeper connection with nature.
Whether adorning a sunny patio, brightening a windowsill, or creating a desert oasis in the garden, cacti and succulents impart a sense of tranquility and wonder. Their ability to thrive in arid environments serves as a reminder of nature’s resilience and adaptability, inspiring us to appreciate the beauty in simplicity and the strength in diversity.
So, let us continue to cultivate these extraordinary plants, embracing their unique characteristics and celebrating their enduring allure. As we tend to our cacti and succulents with care and admiration, may our gardens flourish with life and our hearts overflow with gratitude for the beauty that surrounds us.