Hardy Geranium vs Mole Plant Plant Comparison

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

Hardy Geranium

Hardy Geranium

Geranium spp.

VS
Mole Plant

Mole Plant

Araujia sericifera

Hardy Geranium

Hardy Geranium

Geranium spp.

Hardy Geraniums are herbaceous perennials known for their resilience and attractive foliage. They form mounds of often deeply lobed or divided leaves, ranging in color from green to bronze, sometimes with interesting patterns. They are primarily outdoor plants, valued for their long blooming period, producing saucer-shaped flowers in shades of pink, purple, blue, white, and magenta. While some species can tolerate indoor conditions with sufficient light, they are generally grown outdoors in gardens and borders for their ease of care and ability to suppress weeds.

Geraniaceae Various species originate from different regions worldwide, including Europe, Asia, and North America.
✨ Features: Long blooming period, deer resistant, attracts pollinators.
📖 Read Complete Hardy Geranium 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 Hardy Geranium Mole Plant
Light Full sun to partial shade. Requires at least 6 hours of direct sunlight for optimal flowering. Full sun to partial shade
Watering Every 7-10 days outdoors, depending on weather conditions. Every 1-2 weeks, depending on weather and soil drainage
Humidity 40-60% 40-60%
Temperature 15-24°C 15-25°C
Care Level Expert Expert
Growth Rate Moderate Fast
Max Height Indoors: 30-60 cm (unlikely to thrive). Outdoors: 30-90 cm. Outdoors: 5-7 meters. Indoors: Not suitable for indoor growing.
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining soil. A mix of garden soil, compost, and perlite is suitable. Well-draining soil, such as a sandy loam
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15 minutes weekly (deadheading, watering). 30 minutes weekly

🔬 Botanical Information — Comparing These Plants

Hardy Geranium

Scientific Name Geranium spp.
Family Geraniaceae
Native To Various species originate from different regions worldwide, including Europe, Asia, and North America.
Also Known As Hardy Geranium, Cranesbill
Leaves Leaves are typically palmate or deeply lobed, ranging in color from green to bronze, sometimes with interesting patterns or markings. Leaf texture can vary from smooth to slightly hairy.
Flowers Flowers are saucer-shaped, with five petals, and come in a variety of colors, including pink, purple, blue, white, and magenta. Flowering is profuse and long-lasting outdoors. Indoors, flowering is rare and significantly reduced.

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

Hardy Geranium

Height Indoors: 30-60 cm (unlikely to thrive). Outdoors: 30-90 cm.
Spread Indoors: 30-60 cm (unlikely to thrive). Outdoors: 30-90 cm. Some species can spread via rhizomes.
Growth Rate Moderate
Growth Pattern Forms a mounding or spreading habit, depending on the species. Some species spread via rhizomes, creating a groundcover effect.

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

Hardy Geranium

Methods: Division, Stem cuttings, Seed

Difficulty: Easy

Tips: Divide established clumps in spring or fall. Take stem cuttings in late spring or early summer and root in well-draining soil. Seeds can be sown in spring after a period of cold stratification.

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

Hardy Geranium

Hardy Geraniums are known for their long blooming period, often flowering from late spring to fall. Their foliage can also be quite attractive, with some varieties displaying interesting colors and patterns.

  • ✓ Attracts pollinators to the garden.
  • ✓ Provides long-lasting color in the landscape.
  • ✓ Deer resistant, reducing garden damage.
  • ✓ Suppresses weeds, reducing maintenance.
  • ✓ Relatively low-maintenance once established.
  • ⚠️ 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

Hardy Geranium

Repotting Not applicable for outdoor plants. If grown in containers, repot every 2-3 years or as needed.
Pruning Deadhead spent flowers regularly to encourage continued blooming. Cut back foliage after the first frost.
Fertilizing Balanced slow-release fertilizer in spring. Light feeding with liquid fertilizer during the growing season (every 4-6 weeks).
Seasonal Care Spring: Fertilize and divide if needed. Summer: Deadhead spent flowers to encourage more blooms. Fall: Cut back foliage after the first frost. Winter: Provide mulch in colder climates.

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

Hardy Geranium

Full sun to partial shade. Requires at least 6 hours of direct sunlight for optimal flowering.

Low light tolerant: ❌ No

Mole Plant

Full sun to partial shade

Low light tolerant: ❌ No

💧 Watering Needs

Hardy Geranium

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, as this can lead to root rot. Ensure good drainage.

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

Hardy Geranium

Temperature: 15-24°C

Humidity: 40-60%

Mole Plant

Temperature: 15-25°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Hardy Geranium

Hardy Geranium

Geranium spp.
Care: Expert Time: 15 minutes weekly (deadheading, watering). Beginner: No

Gardeners looking for low-maintenance, long-blooming perennials for their outdoor beds and borders.

✅ Choose This Plant If...

  • You want a low-maintenance perennial for your garden.
  • You need a plant that is deer resistant.
  • You want to attract pollinators to your garden.
  • You desire a long blooming period.
  • You need a plant that can suppress weeds.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You cannot provide adequate sunlight for outdoor plants indoors.
  • You are looking for a plant that thrives indoors with minimal care.
📍 Ideal Location: Outdoor garden beds, borders, or containers.
🎨 Style: Cottage, Traditional, Naturalistic
🏠 Apartment Friendly: No
⚠️ Geraniums contain geraniol and linalool, which are toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, depression, and dermatitis. All parts of the plant are considered toxic.
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

📈

Hardy Geranium has moderate growth, while Mole Plant grows fast.

💡 Pro Tips For Comparing These Plants

Hardy Geranium Care Tips

Hardy Geraniums are primarily outdoor plants. While they can be attempted indoors, providing adequate light and preventing pests can be challenging. They require well-draining soil, regular watering, and occasional fertilization. Indoor flowering is unlikely.

  • Deadhead spent flowers regularly to encourage more blooms.
  • Provide well-draining soil to prevent root rot.
  • Fertilize in spring with a balanced slow-release fertilizer.
  • Divide established clumps every few years to maintain vigor.
  • Water deeply but infrequently, allowing the soil to dry out slightly between waterings.
❄️ Winter: Cut back foliage after the first frost. Provide mulch in colder climates to protect the roots. Reduce watering during dormancy.
☀️ Summer: Deadhead spent flowers regularly to encourage more blooms. Water deeply during dry spells. Provide some afternoon shade in hotter climates.

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

Hardy Geranium

Common Issues: Root rot, Powdery mildew, Aphids, Spider mites
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Powdery mildew: Improve air circulation and apply fungicide. Aphids/Spider mites: Insecticidal soap or neem oil.

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

Hardy Geranium

What are the light requirements for Hardy Geranium?

Hardy Geraniums thrive best in locations that receive at least six hours of sunlight per day, although they can tolerate partial shade. In hotter climates, providing some afternoon shade can help prevent leaf scorch. When planting, consider the amount of sunlight your garden receives at different times of the day and choose a location that provides the optimal balance of light and shade.

How do I care for Hardy Geranium?

Hardy Geraniums are remarkably easy to care for, making them ideal for gardeners of all levels. Plant them in well-draining soil in a location that receives full sun to partial shade. Water regularly, especially during dry periods, but avoid overwatering, which can lead to root rot. Fertilize in spring with a balanced fertilizer to promote healthy growth and abundant blooms.

How do I propagate Hardy Geranium?

Hardy Geraniums can be easily propagated through division, stem cuttings, or seed. For division, carefully dig up the plant in early spring or fall and divide the root ball into smaller sections, each with healthy roots and foliage. Replant the divisions in well-draining soil.

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 24, 2026 — Plant care data reviewed and verified by our editorial team.