Ivy Geranium vs Pickerel Weed Plant Comparison

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

Ivy Geranium

Ivy Geranium

Pelargonium peltatum

VS
Pickerel Weed

Pickerel Weed

Pontederia cordata

Ivy Geranium

Ivy Geranium

Pelargonium peltatum

Pelargonium peltatum, commonly known as Ivy Geranium, is a trailing or cascading perennial plant prized for its glossy, ivy-shaped leaves and vibrant flowers. Native to South Africa, it's a popular choice for hanging baskets, window boxes, and containers. The plant features succulent stems and leaves, allowing it to tolerate drier conditions. While primarily an outdoor plant, it can be grown indoors with sufficient light and proper care. People cultivate it for its ornamental value, adding color and texture to gardens and balconies. It is not naturally an indoor plant and requires specific conditions to thrive inside.

Geraniaceae South Africa
✨ Features: Trailing growth habit, vibrant flower colors.
📖 Read Complete Ivy Geranium Guide
Pickerel Weed

Pickerel Weed

Pontederia cordata

Pickerelweed is an aquatic perennial herb typically found in shallow water habitats like ponds, marshes, and streams. It features distinctive heart-shaped leaves and a prominent flower spike that blooms in summer. The plant grows from rhizomes, forming dense colonies. While primarily an outdoor plant, it is occasionally grown in large water gardens or aquariums. It is valued for its attractive foliage and flowers, which attract pollinators and provide habitat for aquatic wildlife.

Pontederiaceae North America, South America
✨ Features: Attracts pollinators, provides habitat for aquatic wildlife, helps filter water.
📖 Read Complete Pickerel Weed Guide

Quick Plant Comparison

Feature Ivy Geranium Pickerel Weed
Light Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal flowering. Full sun to partial shade
Watering Every 5-7 days during the growing season, less frequently in winter. Daily to maintain water levels
Humidity 40-60% 60-90%
Temperature 18-24°C 15-27°C
Care Level Expert Expert
Growth Rate Moderate Fast
Max Height 0.3-0.6 meters (indoors) 0.3-1 meter (outdoor, less in containers)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining potting mix, such as a blend of peat moss, perlite, and vermiculite. Heavy clay soil or aquatic planting mix
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes weekly 30 minutes weekly (including algae control, pruning, and water level maintenance)

🔬 Botanical Information — Comparing These Plants

Ivy Geranium

Scientific Name Pelargonium peltatum
Family Geraniaceae
Native To South Africa
Also Known As Ivy Geranium, Hanging Geranium, Cascade Geranium
Leaves Glossy, ivy-shaped leaves with a slightly succulent texture. Typically medium green in color, but some varieties may have variegated foliage. Leaves are generally 2-5 cm in diameter.
Flowers Ivy Geraniums can flower indoors with sufficient light, but flowering may be less prolific than outdoors. Flowers are typically single or double, and come in a range of colors including red, pink, white, and purple. They are arranged in clusters.

Pickerel Weed

Scientific Name Pontederia cordata
Family Pontederiaceae
Native To North America, South America
Also Known As Pickerelweed, Pickerel Weed, Heartleaf Pickerelweed
Leaves Heart-shaped (cordate) leaves, typically 10-25 cm long and 5-15 cm wide. The leaves are smooth, glossy green, and have prominent veins. They are attached to long petioles that emerge from the rhizomes.
Flowers Produces a dense spike of small, violet-blue flowers in summer. The flowers are about 1 cm long and have six petals. They are arranged spirally around the spike and bloom sequentially from the bottom up. Rarely flowers indoors.

📏 Size & Growth — Plant Comparison

Ivy Geranium

Height 0.3-0.6 meters (indoors)
Spread 0.6-1.2 meters (indoors)
Growth Rate Moderate
Growth Pattern Trailing or cascading growth habit, making it ideal for hanging baskets and containers. Stems can reach lengths of up to 1.2 meters.

Pickerel Weed

Height 0.3-1 meter (outdoor, less in containers)
Spread 0.3-0.6 meters (spreads via rhizomes)
Growth Rate Fast
Growth Pattern Upright, emergent aquatic plant that grows from rhizomes, forming dense colonies in shallow water. It sends up stalks with heart-shaped leaves and flower spikes.

🌱 Propagation — Comparing Plant Growth

Ivy Geranium

Methods: Stem cuttings

Difficulty: Easy

Tips: Take 4-6 inch stem cuttings from healthy plants. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cutting in moist potting mix and keep it in a warm, bright location until roots develop.

Pickerel Weed

Methods: Division of rhizomes, Seed

Difficulty: Easy

Tips: Divide rhizomes in spring or early summer. Ensure each division has healthy roots and shoots. Plant in aquatic soil and keep submerged in water. Seeds can be sown in shallow water in spring.

✨ Benefits & Features — Comparing Plant Value

Ivy Geranium

Ivy Geraniums are known for their trailing growth habit and ivy-shaped leaves, which distinguish them from other geranium varieties. Their vibrant flowers come in a range of colors, adding a splash of color to any space.

  • ✓ Adds vibrant color to indoor spaces.
  • ✓ Can improve mood with its cheerful flowers.
  • ✓ Offers a touch of nature indoors.
  • ✓ Can be propagated easily from cuttings.
  • ✓ Provides a sense of accomplishment for experienced gardeners.
  • ⚠️ Toxic to pets

Pickerel Weed

Pickerelweed is a native aquatic plant that provides important habitat and food sources for wildlife. Its distinctive heart-shaped leaves and purple flower spikes make it an attractive addition to water gardens. It is also known for its ability to help filter and oxygenate water.

  • ✓ Provides habitat for aquatic wildlife
  • ✓ Attracts pollinators such as bees and butterflies
  • ✓ Helps to filter and oxygenate water in ponds and aquariums
  • ✓ Adds visual interest with its unique foliage and flowers
  • ✓ Contributes to a natural and balanced ecosystem in aquatic environments
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Ivy Geranium

Repotting Repot annually in spring to refresh the soil and provide more space for growth.
Pruning Pinch back stems regularly to encourage bushier growth and remove spent flowers to promote continuous blooming.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, every 2-4 weeks during the growing season.
Seasonal Care In winter, reduce watering and fertilizing. Provide bright light and maintain a cool temperature. In summer, water more frequently and fertilize regularly. Protect from intense afternoon sun.

Pickerel Weed

Repotting Divide and replant every 1-2 years to control spread and maintain vigor.
Pruning Remove dead or yellowing leaves regularly. Trim back excessive growth to control spread.
Fertilizing Aquatic plant fertilizer tablets or slow-release fertilizer formulated for aquatic plants, applied according to package instructions during the growing season (spring/summer).
Seasonal Care In winter, cut back dead foliage. In colder climates, rhizomes may need protection from freezing. In summer, ensure adequate water levels and sunlight.

🌞 Light Requirements

Ivy Geranium

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

Low light tolerant: ❌ No

Pickerel Weed

Full sun to partial shade

Low light tolerant: ❌ No

💧 Watering Needs

Ivy Geranium

Water thoroughly when the top inch of soil feels dry to the touch. Avoid overwatering, as this can lead to root rot. Allow excess water to drain away. Signs of overwatering include yellowing leaves and mushy stems. Underwatering is indicated by wilting leaves and dry soil pulling away from the pot.

Pickerel Weed

Requires consistently moist to wet conditions. If grown in a container, ensure the pot is sitting in a tray of water or submerged in a larger water feature. Overwatering is not a concern as it is an aquatic plant. Underwatering will cause the leaves to wilt and brown.

🌡️ Temperature & Humidity

Ivy Geranium

Temperature: 18-24°C

Humidity: 40-60%

Pickerel Weed

Temperature: 15-27°C

Humidity: 60-90%

🤔 Which Plant Is Right For You?

Ivy Geranium

Ivy Geranium

Pelargonium peltatum
Care: Expert Time: 30 minutes weekly Beginner: No

Experienced gardeners who can provide the specific light and care requirements needed to grow this outdoor plant indoors.

✅ Choose This Plant If...

  • You have a very sunny windowsill or grow light setup.
  • You enjoy trailing plants in hanging baskets.
  • You are experienced with plant care and pest control.
  • You want a plant with vibrant, colorful flowers.
  • You are willing to provide the specific care this plant needs to thrive indoors.

❌ Skip This Plant If...

  • You have pets that may ingest the plant.
  • You cannot provide at least 6 hours of direct sunlight daily.
  • You are a beginner gardener.
  • You are prone to overwatering plants.
📍 Ideal Location: South-facing window with direct sunlight or under grow lights.
🎨 Style: Cottagecore, Mediterranean, Traditional
🏠 Apartment Friendly: Limited
⚠️ Toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, anorexia, and skin irritation. All parts of the plant are toxic.
Pickerel Weed

Pickerel Weed

Pontederia cordata
Care: Expert Time: 30 minutes weekly (including algae control, pruning, and water level maintenance) Beginner: No

Experienced gardeners with ponds, water gardens, or large aquariums who want to add a native aquatic plant.

✅ Choose This Plant If...

  • You have a pond or water garden and want a native plant.
  • You want to attract pollinators and wildlife to your water feature.
  • You need a plant that can tolerate consistently wet conditions.
  • You appreciate the unique heart-shaped foliage and flower spikes.
  • You are an experienced gardener looking for a rewarding aquatic plant challenge.

❌ Skip This Plant If...

  • You do not have a suitable aquatic environment (pond, water garden, large aquarium).
  • You are looking for a low-maintenance indoor plant.
  • You have pets that might ingest the plant, as it is toxic to them.
📍 Ideal Location: Outdoor pond, water garden, or large aquarium.
🎨 Style: Naturalistic, Cottagecore, Wild Garden
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Pickerel Weed contains calcium oxalates, which are toxic to dogs, cats, and horses. Symptoms include oral irritation, excessive drooling, vomiting, and difficulty swallowing.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

📈

Ivy Geranium has moderate growth, while Pickerel Weed grows fast.

💡 Pro Tips For Comparing These Plants

Ivy Geranium Care Tips

Ivy Geraniums are primarily outdoor plants and require significant sunlight to thrive indoors. Maintaining adequate light levels, proper watering, and good air circulation are crucial for their survival indoors. They are prone to pests and diseases, requiring vigilant monitoring. Indoor flowering may be limited.

  • Provide at least 6 hours of direct sunlight daily, supplementing with grow lights if necessary.
  • Water thoroughly when the top inch of soil is dry, allowing excess water to drain away.
  • Fertilize regularly during the growing season with a balanced liquid fertilizer.
  • Pinch back stems regularly to encourage bushier growth and remove spent flowers.
  • Monitor for pests and diseases, treating promptly with appropriate solutions.
❄️ Winter: Reduce watering frequency during winter as growth slows down. Provide bright light and maintain a cool temperature (10-15°C). Avoid fertilizing during the dormant period.
☀️ Summer: Water more frequently during the summer months, especially during hot weather. Fertilize regularly to support flowering. Protect from intense afternoon sun to prevent leaf scorch.

Pickerel Weed Care Tips

Pickerelweed is best suited for outdoor water gardens or large aquariums. It requires full sun and consistently wet conditions. Indoor cultivation is challenging due to the need for specialized aquatic environments and intense lighting. It is an aggressive spreader and needs containment.

  • Ensure consistent water levels, especially during hot weather.
  • Provide full sun for optimal flowering.
  • Use aquatic plant fertilizer to promote healthy growth.
  • Control algae growth to prevent it from smothering the plant.
  • Protect rhizomes from freezing in colder climates.
❄️ Winter: Cut back dead foliage. In colder climates, protect rhizomes from freezing by moving them to a deeper part of the pond or covering them with mulch.
☀️ Summer: Ensure adequate water levels, especially during hot weather. Provide full sun for optimal flowering. Monitor for pests and diseases.

⚠️ Common Problems & Solutions — Plant Care Comparison

Ivy Geranium

Common Issues: Root rot, spider mites, geranium budworm, edema
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Spider mites: Treat with insecticidal soap or neem oil. Geranium budworm: Remove affected buds and use Bacillus thuringiensis (Bt) spray. Edema: Improve air circulation and reduce humidity.

Pickerel Weed

Common Issues: Algae growth, Nutrient deficiencies, Aphids, Root rot (if water quality is poor)
Solutions: Control algae with appropriate algaecides or by improving water circulation. Supplement with aquatic plant fertilizer. Treat aphids with insecticidal soap. Ensure good water quality to prevent root rot.

❓ Frequently Asked Questions — Comparing These Plants

Ivy Geranium

What are the light requirements for Ivy Geranium?

Ivy Geraniums demand bright, indirect sunlight to thrive and produce abundant blooms. A location near a south-facing or west-facing window is ideal, but avoid direct midday sun, which can scorch the leaves. Insufficient light will result in leggy growth, fewer flowers, and paler foliage. If natural light is limited, supplement with grow lights to ensure adequate illumination.

How do I care for Ivy Geranium?

Ivy Geraniums thrive in bright, indirect light, ideally receiving at least 6 hours of sunlight daily. Water thoroughly when the top inch of soil feels dry, ensuring good drainage to prevent root rot. Fertilize regularly with a balanced liquid fertilizer diluted to half strength during the growing season (spring and summer) to promote abundant blooms.

How do I propagate Ivy Geranium?

Ivy Geraniums are easily propagated through stem cuttings. Take a 4-6 inch cutting from a healthy stem, removing the lower leaves. Allow the cut end to callous over for a day or two. Dip the cut end in rooting hormone and plant in a well-draining potting mix. Keep the soil moist but not waterlogged, and provide bright, indirect light.

Pickerel Weed

What are the light requirements for Pickerel Weed?

Pickerel Weed thrives best in full sun, requiring at least six hours of direct sunlight daily. However, it can also tolerate partial shade, especially during the hottest part of the day. Insufficient light can lead to leggy growth, reduced flowering, and overall weaker plants.

How do I care for Pickerel Weed?

Pickerel Weed thrives in shallow water or moist soil. Plant in a pond, water garden, or a container submerged in water. Full sun to partial shade is ideal. Ensure the water is clean and well-oxygenated. Add aquatic plant fertilizer sparingly during the growing season (spring and summer). Remove dead leaves and flowers regularly.

How do I propagate Pickerel Weed?

Pickerel Weed can be easily propagated through division or cuttings.

Last updated: May 4, 2026 — Plant care data reviewed and verified by our editorial team.