Century Plant vs Mole Plant Plant Comparison

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

Century Plant

Century Plant

Agave americana

VS
Mole Plant

Mole Plant

Araujia sericifera

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
Mole Plant

Mole Plant

Araujia sericifera

Araujia sericifera, commonly known as Mole Plant or Cruel Plant, is a vigorous, twining vine that can grow up to 5-7 meters in length. It's an aggressive climber, often found smothering other vegetation. The plant produces attractive, fragrant, trumpet-shaped flowers, typically white or pale pink with purple tinges. These flowers attract moths and other insects, which can become trapped in the flower's intricate structure, hence the name 'Cruel Plant'. It is primarily an outdoor plant and not suited for indoor cultivation due to its size and invasive nature. People may grow it for its interesting flowers, but its invasive potential makes it a problematic choice.

Apocynaceae South America (Argentina, Brazil, Paraguay, Uruguay)
✨ Features: Attractive, fragrant flowers; seed pods with silky parachutes.
📖 Read Complete Mole Plant Guide

Quick Plant Comparison

Feature Century Plant Mole Plant
Light Full sun, requires at least 6-8 hours of direct sunlight daily. Full sun to partial shade
Watering Every 2-4 weeks, depending on climate and soil drainage. Every 1-2 weeks, depending on weather and soil drainage
Humidity 30-50% 40-60%
Temperature 15-30°C 15-25°C
Care Level Expert Expert
Growth Rate Slow Fast
Max 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. Outdoors: 5-7 meters. Indoors: Not suitable for indoor growing.
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining succulent mix (cactus mix) with added perlite or sand. Well-draining soil, such as a sandy loam
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15 minutes monthly 30 minutes weekly

🔬 Botanical Information — Comparing These Plants

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.

Mole Plant

Scientific Name Araujia sericifera
Family Apocynaceae
Native To South America (Argentina, Brazil, Paraguay, Uruguay)
Also Known As Mole Plant, Cruel Plant, White Bladderflower, Kapok Vine
Leaves The leaves are opposite, oval to lance-shaped, and typically 5-10 cm long. They are smooth and dark green on the upper surface and paler underneath. The leaves produce a milky sap when damaged.
Flowers The flowers are trumpet-shaped, about 2-3 cm in diameter, and typically white or pale pink with purple tinges. They are fragrant and attract moths and other insects. Flowering occurs in summer and autumn.

📏 Size & Growth — Plant Comparison

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.

Mole Plant

Height Outdoors: 5-7 meters. Indoors: Not suitable for indoor growing.
Spread Outdoors: Spreads aggressively via seeds and rhizomes. Indoors: Not applicable.
Growth Rate Fast
Growth Pattern Araujia sericifera is a vigorous, twining vine that climbs by wrapping its stems around supports. It can quickly cover fences, walls, and other vegetation, often smothering other plants in the process. Its growth is aggressive and expansive.

🌱 Propagation — Comparing Plant Growth

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.

Mole Plant

Methods: Seeds, Stem cuttings

Difficulty: Easy

Tips: For seeds, soak them in water for 24 hours before sowing. For stem cuttings, take cuttings in spring or summer and root them in well-draining soil.

✨ Benefits & Features — Comparing Plant Value

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

Mole Plant

The flowers of Araujia sericifera are known for trapping insects, earning it the name 'Cruel Plant'. The seed pods contain silky parachutes that aid in wind dispersal, contributing to its invasive spread. The milky sap is also a distinguishing characteristic.

  • ✓ Provides quick coverage for fences or walls.
  • ✓ Attracts pollinators to the garden.
  • ✓ Unique and interesting flowers.
  • ✓ Can be used for erosion control in certain situations.
  • ✓ Provides shade.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

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.

Mole Plant

Repotting Not applicable as it's not suitable for indoor growing.
Pruning Prune regularly to control its spread and remove dead or damaged growth.
Fertilizing Balanced fertilizer (10-10-10) during the growing season (spring and summer), diluted to half strength. Fertilize every 4-6 weeks.
Seasonal Care In spring and summer, provide regular watering and fertilization. In fall, reduce watering and stop fertilizing. Protect from frost in winter.

🌞 Light Requirements

Century Plant

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

Low light tolerant: ❌ No

Mole Plant

Full sun to partial shade

Low light tolerant: ❌ No

💧 Watering Needs

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.

Mole Plant

Water deeply when the top inch of soil is dry. Avoid overwatering, which can lead to root rot. During the growing season, water more frequently. Reduce watering in the dormant season.

🌡️ Temperature & Humidity

Century Plant

Temperature: 15-30°C

Humidity: 30-50%

Mole Plant

Temperature: 15-25°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

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.
Mole Plant

Mole Plant

Araujia sericifera
Care: Expert Time: 30 minutes weekly Beginner: No

Experienced gardeners in regions where it is not considered an invasive species who are looking for a fast-growing vine with unique flowers.

✅ Choose This Plant If...

  • You are looking for a fast-growing vine to cover a large area quickly.
  • You appreciate unique and fragrant flowers.
  • You are an experienced gardener comfortable managing potentially invasive plants.
  • You want to attract moths and other pollinators to your garden.
  • You live in a climate where it is not considered an invasive species.

❌ Skip This Plant If...

  • You have pets or small children due to its toxicity.
  • You live in an area where it is considered an invasive species.
  • You are looking for a low-maintenance plant.
  • You want a plant suitable for indoor growing.
📍 Ideal Location: Outdoors in a sunny location with well-draining soil.
🎨 Style: Wild, Naturalistic
🏠 Apartment Friendly: No
⚠️ All parts of the plant are considered toxic, especially the milky sap. It can cause irritation to the skin and gastrointestinal upset if ingested. Toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, and skin irritation.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

☀️

Century Plant needs full sun, requires at least 6-8 hours of direct sunlight daily., while Mole Plant prefers full sun to partial shade.

📈

Century Plant has slow growth, while Mole Plant grows fast.

💡 Pro Tips For Comparing These Plants

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.

Mole Plant Care Tips

Araujia sericifera is an aggressive outdoor vine that is not suitable for indoor cultivation. It requires full sun and well-draining soil. Its invasive nature and toxicity make it a challenging plant to manage. It is toxic to pets and can cause skin irritation.

  • Monitor for invasive spread and remove seed pods before they mature.
  • Provide a strong support structure for the vine to climb.
  • Water deeply but infrequently, allowing the soil to dry out between waterings.
  • Fertilize during the growing season with a balanced fertilizer.
  • Prune regularly to maintain shape and control growth.
❄️ Winter: Protect from frost. Reduce watering significantly. No fertilization is needed during winter dormancy.
☀️ Summer: Provide regular watering and fertilization during the growing season. Monitor for pests and diseases. Ensure adequate support for the vine to climb.

⚠️ Common Problems & Solutions — Plant Care Comparison

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.

Mole Plant

Common Issues: Invasive growth, Aphids, Root rot
Solutions: Control spread by removing seed pods before they mature. Treat aphids with insecticidal soap. Prevent root rot by ensuring well-draining soil and avoiding overwatering.

❓ Frequently Asked Questions — Comparing These Plants

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.

Mole Plant

What are the light requirements for Mole Plant?

Mole Plant thrives best in full sun, requiring at least 6-8 hours of direct sunlight per day. However, it can tolerate partial shade, especially in hotter climates where intense afternoon sun can scorch the leaves. When grown indoors, place it near a south-facing window to maximize light exposure. Rotate the plant regularly to ensure even growth. Insufficient light can lead to leggy growth and reduced flowering. Supplement with grow lights if natural light is limited, especially during winter months. Monitor the plant for signs of stress, such as pale leaves or stunted growth, which may indicate insufficient light.

How do I care for Mole Plant?

Mole Plant thrives in well-draining soil and prefers full sun to partial shade. Water thoroughly when the top inch of soil feels dry, allowing excess water to drain away. Fertilize sparingly, using a balanced liquid fertilizer diluted to half strength during the growing season (spring and summer). Avoid over-fertilizing, which can harm the plant. Provide adequate air circulation to prevent fungal diseases. Prune to remove dead or damaged foliage and to maintain desired shape. Protect from frost and freezing temperatures. Repot when the plant becomes root-bound, usually every 1-2 years. Monitor for pests such as aphids and spider mites, and treat promptly if detected. Remember that Mole Plant is toxic and should be kept away from children and pets.

How do I propagate Mole Plant?

Mole Plant can be propagated through seeds. Collect seeds from dried flower heads. Sow seeds in well-draining soil in spring. Keep soil moist and provide bright, indirect light. Seedlings should emerge in a few weeks. Once large enough to handle, transplant into individual pots. Alternatively, stem cuttings can be taken in spring or summer. Allow the cut end to callous over for a few days before planting in well-draining soil. Keep the soil moist and provide bright, indirect light. Rooting should occur in a few weeks. Division is not generally recommended for Euphorbia lathyris.

Last updated: April 20, 2026 — Plant care data reviewed and verified by our editorial team.