Pickerel Weed vs Tickseed Plant Comparison

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

Pickerel Weed

Pickerel Weed

Pontederia cordata

VS
Tickseed

Tickseed

Coreopsis spp.

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
Tickseed

Tickseed

Coreopsis spp.

Coreopsis, commonly known as Tickseed, is a genus of flowering plants prized for their daisy-like blooms in shades of yellow, orange, red, and pink. These herbaceous perennials or annuals are popular in gardens for their long blooming season, attracting pollinators like butterflies and bees. They typically grow in clumps or mounds, with heights ranging from 1 to 3 feet. While primarily outdoor plants, some compact varieties can be grown indoors with significant effort to replicate their preferred sunny conditions. People grow them for their vibrant colors, drought tolerance, and ease of care in outdoor settings.

Asteraceae North and South America
✨ Features: Attracts butterflies and bees, drought-tolerant, long blooming season.
📖 Read Complete Tickseed Guide

Quick Plant Comparison

Feature Pickerel Weed Tickseed
Light Full sun to partial shade Full sun (at least 6-8 hours of direct sunlight daily)
Watering Daily to maintain water levels Every 5-7 days outdoors, less frequently indoors if attempted.
Humidity 60-90% 30-50%
Temperature 15-27°C 18-27°C
Care Level Expert Expert
Growth Rate Fast Moderate
Max Height 0.3-1 meter (outdoor, less in containers) 0.3-0.9 meters (outdoors); significantly less if grown indoors
Pet Safety ❌ Toxic To Pets ✅ Safe
Soil Heavy clay soil or aquatic planting mix Well-draining soil, sandy or loamy soil is ideal. Avoid heavy clay soils.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes weekly (including algae control, pruning, and water level maintenance) 15 minutes weekly (deadheading, watering)

🔬 Botanical Information — Comparing These Plants

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.

Tickseed

Scientific Name Coreopsis spp.
Family Asteraceae
Native To North and South America
Also Known As Tickseed, Calliopsis
Leaves Leaves vary depending on the species, but are generally lance-shaped or linear, and can be either opposite or alternate along the stem. They are typically green and may be slightly hairy or smooth.
Flowers Coreopsis produces daisy-like flowers in shades of yellow, orange, red, and pink. Flowers are typically 1-3 inches in diameter and have a prominent central disk. It rarely flowers indoors due to light requirements.

📏 Size & Growth — Plant Comparison

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.

Tickseed

Height 0.3-0.9 meters (outdoors); significantly less if grown indoors
Spread 0.3-0.6 meters; some species can spread via rhizomes
Growth Rate Moderate
Growth Pattern Coreopsis typically grows in clumps or mounds, with upright stems and branching foliage. Some species can spread via rhizomes, forming larger colonies over time.

🌱 Propagation — Comparing Plant Growth

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.

Tickseed

Methods: Seed, Division, Stem cuttings

Difficulty: Easy

Tips: For seeds, sow indoors 6-8 weeks before the last frost or directly outdoors after the last frost. Division is best done in spring or fall. Stem cuttings can be taken in late spring or early summer.

✨ Benefits & Features — Comparing Plant Value

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

Tickseed

Coreopsis is known for its daisy-like flowers and long blooming season, providing continuous color in the garden. Its drought tolerance and ability to attract pollinators make it a valuable addition to any landscape. The seed shape resembles a tick, hence the common name 'Tickseed'.

  • ✓ Attracts pollinators to your garden
  • ✓ Provides vibrant colors and visual interest
  • ✓ Relatively low maintenance once established
  • ✓ Drought-tolerant, reducing water consumption
  • ✓ Easy to propagate, allowing you to expand your garden
  • 🐾 Pet Safe

📅 Maintenance Schedule — Plant Care Comparison

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.

Tickseed

Repotting Not applicable for outdoor plants. If grown indoors, repot annually in spring.
Pruning Deadhead spent flowers regularly to encourage more blooms. Cut back foliage in the fall after the first frost.
Fertilizing Balanced fertilizer (10-10-10) diluted to half strength, applied monthly during the growing season (spring and summer).
Seasonal Care In spring and summer, provide regular watering and fertilization. Deadhead spent flowers to encourage continuous blooming. In fall, cut back foliage after the first frost. In winter, provide minimal watering and protect from extreme cold if necessary.

🌞 Light Requirements

Pickerel Weed

Full sun to partial shade

Low light tolerant: ❌ No

Tickseed

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

Low light tolerant: ❌ No

💧 Watering Needs

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.

Tickseed

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Allow the soil to dry out slightly between waterings. Signs of overwatering include yellowing leaves and wilting, while underwatering is indicated by drooping and crispy leaves.

🌡️ Temperature & Humidity

Pickerel Weed

Temperature: 15-27°C

Humidity: 60-90%

Tickseed

Temperature: 18-27°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

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.
Tickseed

Tickseed

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

Gardeners looking for low-maintenance, colorful, and pollinator-attracting plants for outdoor gardens.

✅ Choose This Plant If...

  • You want a low-maintenance plant for your sunny garden.
  • You want to attract butterflies and bees to your yard.
  • You need a drought-tolerant plant for a dry climate.
  • You want a long-blooming plant that provides color throughout the summer.
  • You want a plant that is easy to propagate.

❌ Skip This Plant If...

  • You have limited sunlight available.
  • You are looking for a plant that thrives indoors without supplemental lighting.
  • You live in a very cold climate where it may not survive the winter without protection.
📍 Ideal Location: Outdoor garden, sunny border, or container garden.
🎨 Style: Cottage, Natural, Wildflower
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Coreopsis is not listed as toxic to dogs, cats, or horses.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Tickseed ✓
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

☀️

Pickerel Weed needs full sun to partial shade, while Tickseed prefers full sun (at least 6-8 hours of direct sunlight daily).

📈

Pickerel Weed has fast growth, while Tickseed grows moderate.

💡 Pro Tips For Comparing These Plants

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.

Tickseed Care Tips

Coreopsis is primarily an outdoor plant that requires full sun and well-draining soil. Indoor cultivation is challenging due to the high light requirements. Even with supplemental lighting, it may not thrive indoors. Maintaining proper watering and avoiding overwatering are crucial for success.

  • Deadhead spent flowers regularly to encourage more blooms.
  • Provide well-draining soil to prevent root rot.
  • Water deeply but infrequently, allowing the soil to dry out slightly between waterings.
  • Fertilize monthly during the growing season with a balanced fertilizer.
  • Protect from extreme cold in winter if necessary.
❄️ Winter: Cut back foliage after the first frost. Provide minimal watering. Protect from extreme cold if necessary with a layer of mulch.
☀️ Summer: Provide regular watering and fertilization. Deadhead spent flowers regularly to encourage continuous blooming. Monitor for pests and diseases.

⚠️ Common Problems & Solutions — Plant Care Comparison

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.

Tickseed

Common Issues: Powdery mildew, Root rot, Aphids, Spider mites
Solutions: Powdery mildew: Improve air circulation and apply a fungicide. | Root rot: Ensure well-draining soil and avoid overwatering. | Aphids: Spray with insecticidal soap. | Spider mites: Increase humidity and spray with miticide.

❓ Frequently Asked Questions — Comparing These Plants

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.

Tickseed

What are the light requirements for Tickseed?

Tickseed demands abundant sunshine to flourish. Aim for a minimum of six hours of direct sunlight each day. Insufficient light can lead to leggy growth, reduced flowering, and pale foliage. When planting Tickseed in your garden, choose a location that receives full sun exposure throughout the day. If growing in containers, place them in a sunny spot, such as a south-facing patio or balcony. If natural sunlight is limited, consider supplementing with artificial grow lights to ensure the plant receives adequate illumination. Rotate the plant occasionally to promote even growth on all sides.

How do I care for Tickseed?

Tickseed thrives in full sun, requiring at least 6 hours of direct sunlight daily. Water deeply but infrequently, allowing the soil to dry out slightly between waterings. Overwatering can lead to root rot. Plant in well-draining soil to prevent waterlogging. Fertilize lightly in 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 the plant in late fall or early spring to maintain its shape and promote bushier growth. Divide clumps every 2-3 years to prevent overcrowding and rejuvenate the plant. Monitor for pests such as aphids and spider mites, and treat as needed. Provide adequate air circulation to prevent fungal diseases.

How do I propagate Tickseed?

Tickseed can be easily propagated through division, stem cuttings, or seeds.

Last updated: April 26, 2026 — Plant care data reviewed and verified by our editorial team.