Cranesbill vs Pickerel Weed Plant Comparison

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

Cranesbill

Cranesbill

Geranium spp. and Pelargonium spp.

VS
Pickerel Weed

Pickerel Weed

Pontederia cordata

Cranesbill

Cranesbill

Geranium spp. and Pelargonium spp.

Cranesbills (Geranium) are herbaceous perennials known for their palmate leaves and saucer-shaped flowers in shades of pink, purple, blue, and white. They form mounds or clumps and are valued for their long bloom time and ease of care in gardens. Pelargoniums, often mistakenly called geraniums, are tender perennials or shrubs with diverse flower shapes and colors, including red, orange, and yellow. They are popular bedding plants and container specimens, prized for their vibrant displays. Neither are naturally indoor plants and struggle to thrive indoors long-term.

Geraniaceae Worldwide, with centers of diversity in South Africa and the Mediterranean region
✨ Features: Long bloom time, attractive foliage, deer resistance (some varieties).
📖 Read Complete Cranesbill 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 Cranesbill Pickerel Weed
Light Full sun to partial shade outdoors. Indoors, requires very bright, direct light. Full sun to partial shade
Watering Outdoors: Every 7-14 days, depending on weather. Indoors: Every 10-14 days, depending on light and temperature. Daily to maintain water levels
Humidity 40-60% 60-90%
Temperature 15-24°C 15-27°C
Care Level Expert Expert
Growth Rate Moderate To Fast, Depending On The Species. Some Geranium Species Can Be Aggressive Spreaders Via Rhizomes. Fast
Max Height Indoors: 30-60 cm (1-2 feet). Outdoors: Varies widely by species, from 15 cm to 1 meter. 0.3-1 meter (outdoor, less in containers)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining soil. A mix of potting soil, perlite, and sand is suitable. Heavy clay soil or aquatic planting mix
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15-30 minutes weekly (deadheading, watering, pest control). 30 minutes weekly (including algae control, pruning, and water level maintenance)

🔬 Botanical Information — Comparing These Plants

Cranesbill

Scientific Name Geranium spp. and Pelargonium spp.
Family Geraniaceae
Native To Worldwide, with centers of diversity in South Africa and the Mediterranean region
Also Known As Cranesbill, Geranium (true geraniums), Pelargonium (often incorrectly called geraniums)
Leaves Geranium leaves are palmate, often lobed or divided, and can be hairy or smooth. Pelargonium leaves are also varied, often rounded or heart-shaped, and may have distinct zones or markings.
Flowers Geraniums produce saucer-shaped flowers in shades of pink, purple, blue, and white. Pelargoniums have diverse flower shapes and colors, including red, orange, yellow, pink, and white. Flowering indoors is rare without supplemental lighting.

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

Cranesbill

Height Indoors: 30-60 cm (1-2 feet). Outdoors: Varies widely by species, from 15 cm to 1 meter.
Spread Indoors: 30-60 cm (1-2 feet). Outdoors: Varies widely by species, some spreading aggressively via rhizomes.
Growth Rate Moderate To Fast, Depending On The Species. Some Geranium Species Can Be Aggressive Spreaders Via Rhizomes.
Growth Pattern Geraniums typically form mounds or clumps. Some species spread via rhizomes. Pelargoniums can be upright or trailing, depending on the variety.

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

Cranesbill

Methods: Stem cuttings, Division, Seed

Difficulty: Easy

Tips: Take stem cuttings in spring or summer. Allow the cut end to callous over for a day or two before planting in well-draining soil. Keep the soil moist but not waterlogged. Divide established clumps in spring or fall.

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

Cranesbill

Cranesbills are known for their long bloom time and attractive foliage. Some species are aggressive spreaders, forming dense groundcovers. Pelargoniums offer a wide range of flower colors and forms.

  • ✓ Attracts pollinators to the garden.
  • ✓ Provides long-lasting color in the landscape.
  • ✓ Deer-resistant (some varieties).
  • ✓ Can be used in cut flower arrangements.
  • ✓ Offers a variety of foliage textures and colors.
  • ⚠️ 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

Cranesbill

Repotting Only if rootbound. Repot in spring. If aggressively spreading, consider dividing instead of repotting into a larger container.
Pruning Deadhead spent flowers regularly to encourage more blooms. Prune back leggy growth in spring.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, every 4-6 weeks during the growing season (spring and summer).
Seasonal Care Spring: Fertilize and prune. Summer: Water regularly and deadhead spent flowers. Fall: Divide established clumps. Winter: Reduce watering and provide protection from frost if outdoors; provide supplemental light if overwintering indoors.

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

Cranesbill

Full sun to partial shade outdoors. Indoors, requires very bright, direct light.

Low light tolerant: ❌ No

Pickerel Weed

Full sun to partial shade

Low light tolerant: ❌ No

💧 Watering Needs

Cranesbill

Outdoors: Water deeply when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Indoors: Allow the top inch of soil to dry out between waterings. Reduce watering in winter. Overwatering symptoms include yellowing leaves and mushy stems; underwatering symptoms include wilting and dry, crispy leaves.

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

Cranesbill

Temperature: 15-24°C

Humidity: 40-60%

Pickerel Weed

Temperature: 15-27°C

Humidity: 60-90%

🤔 Which Plant Is Right For You?

Cranesbill

Cranesbill

Geranium spp. and Pelargonium spp.
Care: Expert Time: 15-30 minutes weekly (deadheading, watering, pest control). Beginner: No

Experienced gardeners who can provide the necessary outdoor conditions or a very bright indoor environment with supplemental lighting.

✅ Choose This Plant If...

  • You want a long-blooming plant for your garden.
  • You need a deer-resistant option for your outdoor space.
  • You are an experienced gardener who can provide ample sunlight.
  • You appreciate the variety of colors and forms available in Geranium and Pelargonium species.
  • You want to attract pollinators to your garden.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You cannot provide at least 6 hours of direct sunlight daily.
  • You are a beginner gardener looking for an easy indoor plant.
📍 Ideal Location: Outdoors: Sunny garden beds or containers. Indoors: South-facing window with supplemental lighting.
🎨 Style: Cottage, Traditional, Bohemian
🏠 Apartment Friendly: Limited
⚠️ Geraniums (Geranium spp. and Pelargonium spp.) contain geraniol and linalool, which are toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, anorexia, and dermatitis. All parts of the plant are considered 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

🌿

Both plants have similar basic care requirements but differ in appearance and specific needs. Compare plants carefully to find the best fit for your space.

💡 Pro Tips For Comparing These Plants

Cranesbill Care Tips

Cranesbills are primarily outdoor plants that require ample sunlight and well-draining soil. Indoor cultivation is challenging due to their high light requirements. They are prone to pests and diseases if not properly cared for. Regular pruning and deadheading are necessary to maintain their appearance and promote blooming. Overwintering indoors is possible with sufficient light.

  • Provide excellent drainage to prevent root rot.
  • Deadhead spent flowers regularly to encourage more blooms.
  • Monitor for pests and diseases and treat promptly.
  • Fertilize regularly during the growing season.
  • Provide adequate air circulation to prevent powdery mildew.
❄️ Winter: Reduce watering in winter. Provide protection from frost if outdoors. If overwintering indoors, provide supplemental light and maintain cool temperatures.
☀️ Summer: Water regularly during hot, dry weather. Deadhead spent flowers to encourage more blooms. Provide shade during the hottest part of the day in extremely hot climates.

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

Cranesbill

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 treat with a fungicide. Aphids: Spray with insecticidal soap. Spider mites: Increase humidity and treat with miticide.

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

Cranesbill

What are the light requirements for Cranesbill?

Cranesbill thrives in conditions with ample sunlight. Most varieties prefer at least six hours of direct sunlight per day, although some can tolerate partial shade, especially in hotter climates. Insufficient light can lead to leggy growth, reduced flowering, and paler foliage. When grown indoors, place your Cranesbill near a south-facing window to maximize light exposure. If natural light is limited, consider supplementing with grow lights to ensure adequate illumination. Rotate the plant regularly to promote even growth on all sides. Observe the plant’s foliage for signs of light stress, such as yellowing or scorching, and adjust its placement accordingly. Providing the right amount of light is crucial for the overall health and blooming performance of your Cranesbill.

How do I care for Cranesbill?

Cranesbill are relatively easy to care for, making them ideal for both novice and experienced gardeners. Provide them with well-draining soil and a location that receives at least six hours of sunlight daily, although some varieties tolerate partial shade. Water deeply when the top inch of soil feels dry, avoiding overwatering, which can lead to root rot. Fertilize in the spring with a balanced fertilizer to promote healthy growth and abundant blooms. Deadhead spent flowers regularly to encourage continuous blooming throughout the season. Prune back leggy growth to maintain a compact shape. Mulch around the base of the plant to retain moisture and suppress weeds. Monitor for pests such as aphids and spider mites and treat as needed. Divide established plants every few years to rejuvenate them and prevent overcrowding. With proper care, Cranesbill will reward you with beautiful blooms and lush foliage for many years.

How do I propagate Cranesbill?

Cranesbill can be propagated through division, stem cuttings, or seed. For division, carefully dig up an established plant in the spring or fall and divide the root ball into smaller sections, ensuring each section has healthy roots and foliage. Replant the divisions in well-draining soil. For stem cuttings, take 4-6 inch cuttings from healthy stems in the spring or summer. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cuttings in a moist potting mix and keep them humid until they root. Seed propagation is also possible, but can be slow. Sow seeds indoors in late winter and transplant seedlings outdoors after the last frost. Choose the propagation method that best suits your needs and enjoy expanding your Cranesbill collection.

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 16, 2026 — Plant care data reviewed and verified by our editorial team.