Caper Bush vs Century Plant Plant Comparison

Compare these two plants side by side — care needs, key differences, and which is right for your home.

Caper Bush

Caper Bush

Capparis spinosa

VS
Century Plant

Century Plant

Agave americana

Caper Bush

Caper Bush

Capparis spinosa

Capparis spinosa, the caper bush, is a perennial plant that bears rounded, fleshy leaves and large, showy white to pinkish-white flowers with prominent stamens. It's primarily cultivated for its flower buds (capers) and fruit (caper berries), which are pickled and used as a condiment. The plant has a sprawling, bushy growth habit and is well-adapted to arid environments, often found growing in rocky crevices and walls. It is primarily an outdoor plant, thriving in full sun and well-drained soil. People grow it for its edible buds and berries, as well as its ornamental value in Mediterranean-style gardens.

Capparaceae Mediterranean region
✨ Features: Edible flower buds and berries, drought tolerance, attractive flowers.
📖 Read Complete Caper Bush Guide
Century Plant

Century Plant

Agave americana

Agave americana, commonly known as the Century Plant, is a large, succulent plant characterized by its rosette of thick, fleshy, gray-green leaves. Each leaf is armed with sharp teeth along the margins and a formidable terminal spine. Despite its name, it typically lives for 10-30 years, not a century. It is primarily an outdoor plant, grown for its dramatic architectural form in arid and semi-arid landscapes. It flowers only once in its lifetime, sending up a massive stalk that can reach several meters in height, after which the main rosette dies. People grow it for its striking appearance and drought tolerance.

Asparagaceae Mexico, Southwestern United States
✨ Features: Drought tolerant, striking architectural form.
📖 Read Complete Century Plant Guide

Quick Plant Comparison

Feature Caper Bush Century Plant
Light Full sun (at least 6-8 hours of direct sunlight per day) Full sun, requires at least 6-8 hours of direct sunlight daily.
Watering Every 1-2 weeks, depending on environmental conditions and soil drainage. Every 2-4 weeks, depending on climate and soil drainage.
Humidity 30-50% 30-50%
Temperature 15-30°C 15-30°C
Care Level Expert Expert
Growth Rate Moderate Slow
Max Height Unlikely to exceed 1 meter indoors, more likely 0.3-0.6m Rarely flowers indoors; if it does, the flower stalk can reach several meters. The plant itself can reach 1-2 meters in height indoors.
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining, slightly alkaline soil. A mix of potting soil, sand, and perlite is suitable. Well-draining succulent mix (cactus mix) with added perlite or sand.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes weekly 15 minutes monthly

🔬 Botanical Information — Comparing These Plants

Caper Bush

Scientific Name Capparis spinosa
Family Capparaceae
Native To Mediterranean region
Also Known As Caper, Caperbush, Flinders Rose
Leaves The leaves are rounded to oval in shape, fleshy, and bluish-green in color. They are typically 2-5 cm long and have a waxy coating to reduce water loss.
Flowers The caper bush produces large, showy flowers that are white to pinkish-white with prominent purple stamens. Flowering is rare indoors but possible with optimal conditions.

Century Plant

Scientific Name Agave americana
Family Asparagaceae
Native To Mexico, Southwestern United States
Also Known As Century Plant, American Aloe, Maguey
Leaves The leaves are thick, fleshy, and gray-green in color. They are lance-shaped and have sharp, hooked teeth along the margins and a sharp, pointed terminal spine. The leaves can grow up to 1-2 meters long.
Flowers Flowers are rare indoors. Outdoors, after many years (10-30), the plant sends up a massive flower stalk that can reach several meters in height. The flowers are typically yellow or greenish-yellow and are borne in dense clusters.

📏 Size & Growth — Plant Comparison

Caper Bush

Height Unlikely to exceed 1 meter indoors, more likely 0.3-0.6m
Spread Up to 1 meter outdoors, less indoors
Growth Rate Moderate
Growth Pattern The caper bush has a sprawling, bushy growth habit. It can grow as a ground cover or climb over walls and rocks. It does not spread aggressively.

Century Plant

Height Rarely flowers indoors; if it does, the flower stalk can reach several meters. The plant itself can reach 1-2 meters in height indoors.
Spread 1-3 meters
Growth Rate Slow
Growth Pattern Grows as a rosette of thick, fleshy leaves that emerge from a central point. It forms a large, symmetrical structure. When it flowers, it sends up a tall, imposing stalk.

🌱 Propagation — Comparing Plant Growth

Caper Bush

Methods: Seed, Stem cuttings

Difficulty: Moderate

Tips: For stem cuttings, take semi-hardwood cuttings in late spring or early summer. Dip the cut end in rooting hormone and plant in a well-draining potting mix. Keep the soil moist and provide indirect light. Seeds require scarification and stratification for optimal germination.

Century Plant

Methods: Offsets (pups), Seed

Difficulty: Moderate

Tips: Separate offsets from the mother plant in spring or summer. Allow the cut end to callus over for a few days before planting in well-draining soil. Keep slightly moist until roots develop.

✨ Benefits & Features — Comparing Plant Value

Caper Bush

The caper bush is unique for its edible flower buds and berries, which are pickled and used as a condiment. It is also highly drought-tolerant and adapted to growing in harsh, rocky environments.

  • ✓ Edible flower buds and berries
  • ✓ Ornamental value with attractive flowers
  • ✓ Drought tolerance
  • ✓ Attracts pollinators
  • ✓ Unique addition to a garden
  • ⚠️ Toxic to pets

Century Plant

The Century Plant is unique for its monocarpic nature, meaning it flowers only once in its lifetime before dying. Its dramatic size and architectural form make it a standout in any landscape. The leaves have sharp teeth and a terminal spine.

  • ✓ Drought tolerance reduces water consumption.
  • ✓ Provides a striking architectural element to the landscape.
  • ✓ Requires minimal maintenance once established.
  • ✓ Can be used in xeriscaping to create water-wise gardens.
  • ✓ Provides habitat for pollinators and other wildlife in its native range.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Caper Bush

Repotting Repot every 2-3 years, or when the plant becomes root-bound, using a slightly larger pot.
Pruning Prune in late winter or early spring to remove dead or damaged branches and to maintain shape. Regular pruning encourages bushier growth and more abundant flowering.
Fertilizing Use a balanced liquid fertilizer (10-10-10) diluted to half strength every 4-6 weeks during the growing season (spring and summer).
Seasonal Care During the growing season (spring and summer), water more frequently and fertilize regularly. In the fall and winter, reduce watering and withhold fertilizer. Provide bright light year-round.

Century Plant

Repotting Every 2-3 years, or when the plant outgrows its container.
Pruning Remove dead or damaged leaves as needed. Be careful of the sharp spines.
Fertilizing Low-nitrogen fertilizer, applied sparingly once or twice during the growing season (spring/summer).
Seasonal Care In winter, reduce watering significantly. Protect from frost if grown in marginal climates. In summer, ensure adequate ventilation to prevent fungal diseases.

🌞 Light Requirements

Caper Bush

Full sun (at least 6-8 hours of direct sunlight per day)

Low light tolerant: ❌ No

Century Plant

Full sun, requires at least 6-8 hours of direct sunlight daily.

Low light tolerant: ❌ No

💧 Watering Needs

Caper Bush

Water thoroughly when the soil is dry to the touch. Avoid overwatering, as this can lead to root rot. Allow the soil to dry out slightly between waterings. Signs of underwatering include wilting leaves and dry, brittle stems. Overwatering can cause yellowing leaves and a mushy stem base.

Century Plant

Water deeply but infrequently, allowing the soil to dry out completely between waterings. Overwatering can lead to root rot. Signs of underwatering include shriveled leaves. Signs of overwatering include soft, mushy leaves.

🌡️ Temperature & Humidity

Caper Bush

Temperature: 15-30°C

Humidity: 30-50%

Century Plant

Temperature: 15-30°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Caper Bush

Caper Bush

Capparis spinosa
Care: Expert Time: 30 minutes weekly Beginner: No

Experienced gardeners seeking a unique ornamental plant and are willing to provide the specific conditions required for its survival.

✅ Choose This Plant If...

  • You live in a Mediterranean climate and can grow it outdoors.
  • You are an experienced gardener looking for a unique challenge.
  • You want to harvest your own capers.
  • You have a very sunny location.
  • You are willing to provide very well-draining soil.

❌ Skip This Plant If...

  • You have limited sunlight indoors.
  • You are a beginner gardener.
  • You have pets that might ingest the plant.
📍 Ideal Location: South-facing window with maximum sunlight exposure, or a greenhouse.
🎨 Style: Mediterranean, Rustic, Cottage
🏠 Apartment Friendly: No
⚠️ The ASPCA lists Capparis species as toxic to dogs, cats, and horses. The toxic principle is unknown. Symptoms include vomiting and diarrhea.
Century Plant

Century Plant

Agave americana
Care: Expert Time: 15 minutes monthly Beginner: No

Experienced gardeners in warm, sunny climates who want a dramatic, drought-tolerant landscape plant.

✅ Choose This Plant If...

  • You live in a warm, dry climate with plenty of sunlight.
  • You want a low-maintenance, drought-tolerant plant.
  • You appreciate dramatic, architectural plants.
  • You have a large outdoor space to accommodate its size.
  • You are an experienced gardener familiar with succulent care.

❌ Skip This Plant If...

  • You live in a cold climate with limited sunlight.
  • You have small children or pets due to the sharp spines and toxicity.
  • You have limited space indoors.
  • You tend to overwater plants.
  • You are a beginner gardener.
📍 Ideal Location: Outdoors in a sunny, well-drained location. If indoors, a sunroom or greenhouse with maximum sunlight exposure.
🎨 Style: Southwestern, Desert, Modern, Xeriscape
🏠 Apartment Friendly: No
⚠️ All parts of the Agave americana plant contain saponins, which are toxic to dogs, cats, and horses. Symptoms include excessive salivation, vomiting, diarrhea, and skin irritation upon contact.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Neither - caution
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

☀️

Caper Bush needs full sun (at least 6-8 hours of direct sunlight per day), while Century Plant prefers full sun, requires at least 6-8 hours of direct sunlight daily..

📈

Caper Bush has moderate growth, while Century Plant grows slow.

💡 Pro Tips For Comparing These Plants

Caper Bush Care Tips

Caper bushes are challenging to grow indoors due to their high light requirements and need for well-draining soil. They require consistent full sun and careful watering to prevent root rot. Providing adequate ventilation and avoiding overwatering are crucial for success. Expect limited growth and flowering indoors.

  • Provide at least 6-8 hours of direct sunlight daily.
  • Use a well-draining soil mix to prevent root rot.
  • Allow the soil to dry out slightly between waterings.
  • Fertilize regularly during the growing season.
  • Prune annually to maintain shape and encourage flowering.
❄️ Winter: Reduce watering during the winter months. Provide bright light and protect from frost if grown outdoors. Withhold fertilizer during dormancy.
☀️ Summer: Water more frequently during the summer months, especially during hot and dry periods. Provide adequate ventilation to prevent fungal diseases. Fertilize regularly to support growth and flowering.

Century Plant Care Tips

Agave americana is primarily an outdoor plant and is challenging to grow indoors due to its high light requirements and large size. It needs very well-draining soil and infrequent watering. Providing sufficient light is the biggest challenge indoors. It also needs a very large pot.

  • Provide excellent drainage to prevent root rot.
  • Acclimate the plant gradually to full sun to avoid sunburn.
  • Water deeply but infrequently, allowing the soil to dry out completely between waterings.
  • Protect from frost in colder climates.
  • Wear gloves and eye protection when handling to avoid injury from the sharp spines.
❄️ Winter: Reduce watering significantly during the winter months. Protect from frost if grown in marginal climates. Ensure good air circulation to prevent fungal diseases.
☀️ Summer: Ensure adequate ventilation to prevent fungal diseases. Water more frequently during hot, dry periods. Monitor for pests such as scale and mealybugs.

⚠️ Common Problems & Solutions — Plant Care Comparison

Caper Bush

Common Issues: Root rot, Spider mites, Lack of flowering, Yellowing leaves
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Treat with fungicide if necessary. | Spider mites: Increase humidity and treat with insecticidal soap or neem oil. | Lack of flowering: Ensure adequate sunlight and proper fertilization. | Yellowing leaves: Check for overwatering, underwatering, or nutrient deficiencies. Adjust watering and fertilizing accordingly.

Century Plant

Common Issues: Root rot, Scale insects, Mealybugs, Sunburn (if moved from shade to full sun too quickly)
Solutions: Root rot: Improve drainage and reduce watering frequency. | Scale insects: Treat with insecticidal soap or neem oil. | Mealybugs: Treat with insecticidal soap or neem oil. | Sunburn: Acclimate the plant to full sun gradually.

❓ Frequently Asked Questions — Comparing These Plants

Caper Bush

What are the light requirements for Caper Bush?

Caper Bush demands abundant sunlight to thrive and produce its characteristic flowers. It needs at least 6-8 hours of direct sunlight daily. Inadequate light can lead to leggy growth, reduced flowering, and overall weakness. When grown indoors, place the plant near a south-facing window where it can receive maximum light exposure. If natural light is insufficient, supplement with grow lights. Rotate the plant regularly to ensure even light distribution. In extremely hot climates, some afternoon shade may be beneficial to prevent scorching. Monitor the plant for signs of light stress, such as pale leaves or stunted growth. Adjust its position accordingly. Adequate light is crucial for the Caper Bush to develop its flavorful caper buds.

How do I care for Caper Bush?

Caper Bush thrives in full sun and well-draining soil. Water deeply but infrequently, allowing the soil to dry out between waterings to prevent root rot. Fertilize sparingly, using a balanced fertilizer during the growing season (spring and summer) to encourage flowering. Prune lightly after flowering to maintain shape and remove any dead or damaged branches. In colder climates, provide winter protection or grow in a container that can be moved indoors. Caper Bush is relatively drought-tolerant once established. Ensure good air circulation to prevent fungal diseases. Monitor for pests like aphids or spider mites and treat accordingly. Repot container-grown plants every 2-3 years, using a well-draining potting mix. Avoid overwatering, which is the most common cause of problems. Provide support if the plant becomes too sprawling. Remember, less is often more when caring for Caper Bush.

How do I propagate Caper Bush?

Caper Bush can be propagated through stem cuttings. Take 4-6 inch cuttings from new growth in spring or summer. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cuttings in a well-draining potting mix and keep them moist. Place the cuttings in a warm, bright location, but out of direct sunlight. Roots should develop in a few weeks. Alternatively, you can propagate by seed, soaking the seeds for 24 hours before planting. While division is possible, it’s less common due to the plant’s deep root system and potential for disturbance. Cuttings are the most reliable method. Ensure humidity to promote root growth and prevent drying out.

Century Plant

What are the light requirements for Century Plant?

Century Plants require ample sunlight to thrive. Ideally, provide at least six hours of direct sunlight per day. An east- or south-facing window is usually the best location indoors. Insufficient light can lead to etiolation, where the plant stretches and becomes leggy in search of light. If you live in an area with limited sunlight, consider supplementing with a grow light. When moving a Century Plant from a shaded area to direct sunlight, do so gradually to prevent sunburn. Rotate the plant regularly to ensure even growth on all sides.

How do I care for Century Plant?

Century Plants are relatively easy to care for, thriving on neglect and well-draining conditions. Provide bright, direct sunlight for at least six hours per day. Use a well-draining potting mix specifically formulated for cacti and succulents. Water sparingly, allowing the soil to dry out completely between waterings. During the growing season (spring and summer), water more frequently, but always ensure proper drainage. Reduce watering significantly during the dormant period (fall and winter). Fertilize sparingly, using a balanced liquid fertilizer diluted to half strength, only during the growing season. Repot only when the plant becomes root-bound, typically every few years. Protect from frost and freezing temperatures. Ensure good air circulation to prevent fungal diseases.

How do I propagate Century Plant?

Century Plants can be propagated through several methods: leaf cuttings, offsets (pups), and stem cuttings. Offsets are the easiest method. Carefully detach offsets from the base of the mother plant, ensuring they have roots. Allow the offsets to callous over for a few days before planting in well-draining soil. For leaf cuttings, allow the cut end to callous over for a week before placing it on top of well-draining soil. Mist lightly and wait for roots to develop. Stem cuttings should be taken from the flower stalk after it has finished blooming. Allow the cut end to callous over before planting. Keep the soil slightly moist until roots develop.

Last updated: April 25, 2026 — Plant care data reviewed and verified by our editorial team.