Bluebeard vs Pickerel Weed Plant Comparison

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

Bluebeard

Bluebeard

Caryopteris × clandonensis

VS
Pickerel Weed

Pickerel Weed

Pontederia cordata

Bluebeard

Bluebeard

Caryopteris × clandonensis

Bluebeard is a deciduous shrub known for its aromatic foliage and late-summer to fall blooms of vibrant blue flowers. It typically grows to a height and spread of 2-4 feet. It is primarily an outdoor plant, valued for attracting pollinators like bees and butterflies to the garden. While it can be grown in containers, it's challenging to replicate its ideal outdoor conditions indoors. People grow it for its beautiful late-season color and drought tolerance.

Lamiaceae Hybrid origin (Caryopteris incana × Caryopteris mongholica)
✨ Features: Attracts pollinators, drought-tolerant, aromatic foliage
📖 Read Complete Bluebeard 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 Bluebeard Pickerel Weed
Light Full sun (at least 6 hours of direct sunlight daily) Full sun to partial shade
Watering Outdoors: Every 1-2 weeks, depending on rainfall. Indoors: Very challenging to maintain proper moisture. Daily to maintain water levels
Humidity 30-50% 60-90%
Temperature 15-27°C 15-27°C
Care Level Expert Expert
Growth Rate Moderate Fast
Max Height Indoors: Highly variable, typically smaller than outdoor size (1-2 feet). Outdoors: 2-4 feet 0.3-1 meter (outdoor, less in containers)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining soil; sandy or loamy soil is preferred. Avoid heavy clay soils. Heavy clay soil or aquatic planting mix
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15 minutes weekly (mostly pruning and watering) 30 minutes weekly (including algae control, pruning, and water level maintenance)

🔬 Botanical Information — Comparing These Plants

Bluebeard

Scientific Name Caryopteris × clandonensis
Family Lamiaceae
Native To Hybrid origin (Caryopteris incana × Caryopteris mongholica)
Also Known As Bluebeard, Blue Mist Shrub, Blue Spirea (misleading)
Leaves The leaves are opposite, lance-shaped, and grayish-green in color. They are aromatic when crushed, releasing a pleasant scent.
Flowers Bluebeard produces clusters of small, vibrant blue flowers in late summer to fall. Flowering is rare indoors.

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

Bluebeard

Height Indoors: Highly variable, typically smaller than outdoor size (1-2 feet). Outdoors: 2-4 feet
Spread Indoors: Highly variable, typically smaller than outdoor size (1-2 feet). Outdoors: 2-4 feet
Growth Rate Moderate
Growth Pattern Bluebeard grows as a rounded, bushy shrub with an upright habit. It typically reaches a height and spread of 2-4 feet.

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

Bluebeard

Methods: Stem cuttings, Seed

Difficulty: Easy

Tips: Take softwood cuttings in late spring or early summer. Dip the cut end in rooting hormone and plant in well-draining soil. Keep the soil moist 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

Bluebeard

Bluebeard is unique for its late-season blooms of vibrant blue flowers, providing color when many other plants are fading. Its aromatic foliage adds another layer of interest to the garden. It is also a magnet for pollinators.

  • ✓ Attracts pollinators to the garden
  • ✓ Provides late-season color
  • ✓ Drought-tolerant once established
  • ✓ Aromatic foliage adds sensory interest
  • ✓ Relatively low-maintenance.
  • ⚠️ 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

Bluebeard

Repotting If grown in a container, repot every 2-3 years in spring.
Pruning Prune hard in late winter or early spring to encourage new growth and flowering.
Fertilizing Apply a balanced fertilizer (10-10-10) in early spring. Avoid over-fertilizing.
Seasonal Care In winter, prune back the shrub to encourage bushier growth in the spring. Reduce watering during dormancy. In summer, ensure adequate sunlight and water during dry spells.

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

Bluebeard

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

Low light tolerant: ❌ No

Pickerel Weed

Full sun to partial shade

Low light tolerant: ❌ No

💧 Watering Needs

Bluebeard

Water deeply when the top inch of soil is dry. Avoid overwatering, which can lead to root rot. Bluebeard is relatively drought-tolerant once established. Indoors, maintaining proper moisture balance is difficult.

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

Bluebeard

Temperature: 15-27°C

Humidity: 30-50%

Pickerel Weed

Temperature: 15-27°C

Humidity: 60-90%

🤔 Which Plant Is Right For You?

Bluebeard

Bluebeard

Caryopteris × clandonensis
Care: Expert Time: 15 minutes weekly (mostly pruning and watering) Beginner: No

Gardeners looking for a late-season flowering shrub to attract pollinators.

✅ Choose This Plant If...

  • You want a late-season bloomer that attracts bees and butterflies.
  • You need a drought-tolerant shrub for a sunny location.
  • You appreciate aromatic foliage.
  • You want a relatively low-maintenance plant once established.
  • You are experienced with growing plants that require full sun.

❌ Skip This Plant If...

  • You have pets that might ingest it.
  • You lack a sunny outdoor location.
  • You are looking for an easy indoor plant.
📍 Ideal Location: Outdoors in a sunny garden bed or border.
🎨 Style: Cottage, Naturalistic, Pollinator Garden
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Caryopteris is toxic to dogs, cats, and horses. Symptoms include vomiting and diarrhea. The toxic principle is unknown.
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

☀️

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

📈

Bluebeard has moderate growth, while Pickerel Weed grows fast.

💡 Pro Tips For Comparing These Plants

Bluebeard Care Tips

Bluebeard is primarily an outdoor shrub that thrives in full sun and well-drained soil. It's very difficult to grow indoors because it needs intense sunlight and specific temperature fluctuations to mimic its natural environment. Indoor plants are unlikely to flower well and may become leggy.

  • Prune hard in late winter to encourage new growth.
  • Ensure well-draining soil to prevent root rot.
  • Provide full sun for optimal flowering.
  • Water deeply but infrequently, allowing the soil to dry out between waterings.
  • Fertilize lightly in early spring with a balanced fertilizer.
❄️ Winter: In winter, prune back the shrub to encourage bushier growth in the spring. Reduce watering during dormancy. Protect container plants from extreme cold.
☀️ Summer: In summer, ensure adequate sunlight and water during dry spells. Monitor for pests and diseases.

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

Bluebeard

Common Issues: Root rot, Powdery mildew, Spider mites
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Powdery mildew: Improve air circulation and apply a fungicide if necessary. Spider mites: Treat with insecticidal soap or neem oil.

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

Bluebeard

What are the light requirements for Bluebeard?

Bluebeard needs at least six hours of direct sunlight daily to produce abundant blooms. Insufficient light will result in fewer flowers and leggy growth. A south-facing location is ideal, providing the most intense sunlight. If growing Bluebeard in a container, rotate the plant regularly to ensure even light exposure. Avoid planting in areas shaded by trees or buildings. If you live in a particularly hot climate, some afternoon shade can be beneficial to prevent leaf scorch, but ensure the plant still receives a majority of the day’s sunlight. Lack of adequate light can significantly reduce the plant’s overall health and flowering potential.

How do I care for Bluebeard?

Bluebeard requires full sun (at least 6 hours daily) to thrive and produce abundant blooms. Plant in well-draining soil to prevent root rot. Water deeply but infrequently, allowing the soil to dry out slightly between waterings; avoid overwatering. Fertilize in early spring with a balanced fertilizer to promote growth and flowering. Prune in late winter or early spring to remove dead or crossing branches and encourage bushier growth. Deadheading spent flowers can prolong the blooming period. Bluebeard is generally drought-tolerant once established, but regular watering is essential during the first year. Protect young plants from harsh winter winds. Mulch around the base of the plant to retain moisture and suppress weeds. Monitor for pests and diseases, although Bluebeard is relatively pest and disease resistant. Ensure good air circulation to prevent fungal problems.

How do I propagate Bluebeard?

Bluebeard can be propagated through stem cuttings, division, and seeds. For stem cuttings, take 4-6 inch cuttings from new growth in spring or summer. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cutting in a well-draining potting mix and keep it moist. Division can be done in early spring or fall by carefully separating the root ball into smaller clumps. Seeds can be sown in spring after a period of cold stratification. Keep the soil moist and provide adequate sunlight. Rooting generally takes 4-8 weeks. Once rooted, transplant into individual pots.

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.