Bulrush vs Speedwell Plant Comparison

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

Bulrush

Bulrush

Schoenoplectus lacustris

VS
Speedwell

Speedwell

Veronica spp.

Bulrush

Bulrush

Schoenoplectus lacustris

Schoenoplectus lacustris, or Common Bulrush, is a rhizomatous perennial aquatic plant typically found in marshes, lake edges, and other wet environments. It features tall, cylindrical, green stems that can reach up to 3 meters in height. The plant has inconspicuous flowers and produces small, nut-like fruits. It is primarily an outdoor plant, valued for its role in wetland ecosystems, providing habitat and erosion control. While sometimes grown in large containers, it is not well-suited for typical indoor environments due to its size and high moisture requirements.

Cyperaceae Europe, Asia, North Africa, North America
✨ Features: Provides habitat for wildlife, filters water, controls erosion.
📖 Read Complete Bulrush Guide
Speedwell

Speedwell

Veronica spp.

Speedwell encompasses a diverse genus of flowering plants, primarily herbaceous perennials, though some are annuals or shrubs. They exhibit a range of growth habits, from creeping groundcovers to upright forms. The flowers are typically small and blue, but can also be pink, white, or purple, arranged in spikes or racemes. Speedwell is primarily grown outdoors in gardens and meadows for its attractive flowers and ability to attract pollinators. While some species are relatively adaptable, they generally require specific outdoor conditions that are difficult to replicate indoors.

Plantaginaceae Europe, Asia, North Africa, North America
✨ Features: Attracts pollinators (bees, butterflies), deer-resistant (in some cases), long blooming period.
📖 Read Complete Speedwell Guide

Quick Plant Comparison

Feature Bulrush Speedwell
Light Full sun to partial shade Full sun to partial shade
Watering Daily to keep soil constantly wet Every 3-7 days, depending on weather and soil drainage
Humidity 60-90% 40-60%
Temperature 10-25°C 15-24°C
Care Level Expert Expert
Growth Rate Fast Moderate To Fast, Some Species Can Be Aggressive Spreaders
Max Height Up to 3 meters outdoors; significantly smaller in containers (1-1.5 meters) 10-90 cm (outdoor)
Pet Safety ✅ Safe ❌ Toxic To Pets
Soil Heavy clay or loam soil, amended with organic matter. Submerged in water. Well-draining, loamy soil
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes weekly 15 minutes weekly (outdoor)

🔬 Botanical Information — Comparing These Plants

Bulrush

Scientific Name Schoenoplectus lacustris
Family Cyperaceae
Native To Europe, Asia, North Africa, North America
Also Known As Common Bulrush, Great Bulrush, Common Club-rush, Lake Club-rush
Leaves Leaves are reduced to sheaths at the base of the stem. The stems themselves are the primary photosynthetic organs, appearing as smooth, cylindrical, green stalks.
Flowers Flowers are small, brown, and inconspicuous, arranged in clusters near the top of the stem. Flowering typically occurs in summer. Rarely flowers indoors.

Speedwell

Scientific Name Veronica spp.
Family Plantaginaceae
Native To Europe, Asia, North Africa, North America
Also Known As Speedwell, Gypsyweed, Bird's Eye
Leaves Leaves are typically small, oval or lance-shaped, and arranged oppositely or alternately along the stem. The color is usually green, but some varieties have variegated foliage.
Flowers Speedwell flowers outdoors in spring and summer. The flowers are small and typically blue, but can also be pink, white, or purple. They are arranged in spikes or racemes.

📏 Size & Growth — Plant Comparison

Bulrush

Height Up to 3 meters outdoors; significantly smaller in containers (1-1.5 meters)
Spread Spreads aggressively via rhizomes; can form dense colonies.
Growth Rate Fast
Growth Pattern Upright, emergent aquatic plant that spreads aggressively via rhizomes, forming dense colonies.

Speedwell

Height 10-90 cm (outdoor)
Spread 15-60 cm (outdoor), spreads via rhizomes in some species
Growth Rate Moderate To Fast, Some Species Can Be Aggressive Spreaders
Growth Pattern Varies depending on the species. Some are creeping groundcovers, while others are upright and bushy. Some species spread via rhizomes, forming dense mats.

🌱 Propagation — Comparing Plant Growth

Bulrush

Methods: Division of rhizomes, seed

Difficulty: Easy

Tips: Divide rhizomes in spring or fall. Plant rhizomes in wet soil or shallow water. Seeds can be sown in spring after a period of cold stratification.

Speedwell

Methods: Stem cuttings, Division, Seed

Difficulty: Easy To Moderate

Tips: For stem cuttings, take cuttings in spring or summer and root them in water or moist soil. Division is best done in spring or fall. Sow seeds in spring after the last frost.

✨ Benefits & Features — Comparing Plant Value

Bulrush

Bulrush is a key component of wetland ecosystems, providing habitat and filtering water. Its tall, cylindrical stems create a distinctive visual element in aquatic environments.

  • ✓ Provides habitat for wildlife
  • ✓ Filters water and improves water quality
  • ✓ Controls soil erosion along shorelines
  • ✓ Adds a natural and wild aesthetic to the landscape
  • ✓ Can be used for traditional crafts like weaving
  • 🐾 Pet Safe

Speedwell

Speedwell is known for its long blooming period and ability to attract pollinators. The flowers come in a variety of colors, and the plant is relatively low-maintenance. Some species spread aggressively, making them useful as groundcovers.

  • ✓ Attracts pollinators
  • ✓ Provides long-lasting color in the garden
  • ✓ Deer-resistant
  • ✓ Relatively low-maintenance
  • ✓ Can be used as a groundcover
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Bulrush

Repotting Annually in spring if grown in containers, due to rhizomatous growth.
Pruning Remove dead or damaged stems as needed.
Fertilizing Slow-release aquatic fertilizer in spring. Avoid over-fertilizing.
Seasonal Care Cut back dead stems in late winter or early spring. Ensure adequate water levels during the growing season. Protect from extreme cold in winter by mulching around the base.

Speedwell

Repotting Not applicable for indoor growing, but if grown in containers outdoors, repot every 2-3 years or as needed.
Pruning Deadhead spent flowers to encourage continued blooming. Prune back in late fall or early spring to maintain shape and size.
Fertilizing Balanced fertilizer (10-10-10) diluted to half strength, applied in spring and early summer
Seasonal Care In spring, fertilize and prune back dead growth. In summer, water regularly and deadhead spent flowers. In fall, divide plants if needed. In winter, provide mulch for protection in colder climates.

🌞 Light Requirements

Bulrush

Full sun to partial shade

Low light tolerant: ❌ No

Speedwell

Full sun to partial shade

Low light tolerant: ❌ No

💧 Watering Needs

Bulrush

Requires consistently moist to wet soil. When grown in containers, the pot should ideally sit in a tray of water. Overwatering is not a concern as it naturally grows in aquatic environments. Underwatering will cause the stems to dry out and turn brown.

Speedwell

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Speedwell prefers consistently moist, but not soggy, soil. In hotter weather, more frequent watering may be necessary. Reduce watering during dormancy.

🌡️ Temperature & Humidity

Bulrush

Temperature: 10-25°C

Humidity: 60-90%

Speedwell

Temperature: 15-24°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Bulrush

Bulrush

Schoenoplectus lacustris
Care: Expert Time: 30 minutes weekly Beginner: No

Gardeners with ponds or water gardens looking for a natural water filter and habitat provider.

✅ Choose This Plant If...

  • You have a pond or water garden and want a natural filter.
  • You want to attract wildlife to your garden.
  • You need a plant for erosion control along a shoreline.
  • You appreciate the natural, wild look of wetland plants.
  • You have a very sunny location with consistently wet soil.

❌ Skip This Plant If...

  • You live in an apartment with limited space and sunlight.
  • You are looking for a low-maintenance indoor plant.
  • You don't have a pond or consistently wet area in your garden.
📍 Ideal Location: Outdoor pond, water garden, or large container in a sunny location.
🎨 Style: Naturalistic, Wetland, Wild Garden
🏠 Apartment Friendly: No
⚠️ According to multiple sources, including the ASPCA, Schoenoplectus lacustris is not listed as toxic to dogs, cats, or horses.
Speedwell

Speedwell

Veronica spp.
Care: Expert Time: 15 minutes weekly (outdoor) Beginner: No

Outdoor gardeners looking for a low-maintenance, flowering groundcover or border plant that attracts pollinators.

✅ Choose This Plant If...

  • You want a low-maintenance perennial for your garden.
  • You want to attract pollinators to your yard.
  • You need a deer-resistant plant.
  • You want a long-blooming flower.
  • You want a plant with a variety of colors and growth habits.

❌ Skip This Plant If...

  • You are looking for an indoor plant.
  • You have pets that might ingest it.
  • You have limited sunlight in your garden.
📍 Ideal Location: Outdoor garden bed or border with full sun exposure.
🎨 Style: Cottage, Naturalistic, Meadow
🏠 Apartment Friendly: No
⚠️ Some species of Veronica contain glycosides that can cause mild gastrointestinal upset in dogs, cats, and horses if ingested. Symptoms may include vomiting, diarrhea, and loss of appetite. All parts of the plant are potentially toxic.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

📈

Bulrush has fast growth, while Speedwell grows moderate to fast, some species can be aggressive spreaders.

💡 Pro Tips For Comparing These Plants

Bulrush Care Tips

Bulrush is primarily an outdoor plant requiring full sun and consistently wet conditions. It is challenging to grow indoors due to its size, light requirements, and need for high humidity and constant moisture. It spreads aggressively via rhizomes, requiring large containers or ponds.

  • Plant in a large container or directly in a pond with heavy soil.
  • Ensure the soil is consistently wet or submerged in water.
  • Provide full sun for optimal growth.
  • Divide rhizomes every few years to prevent overcrowding.
  • Remove dead stems regularly to maintain appearance and prevent disease.
❄️ Winter: Cut back dead stems in late fall or early winter. Ensure the rhizomes remain submerged in water to prevent them from drying out. Mulch around the base for added protection in colder climates.
☀️ Summer: Ensure adequate water levels throughout the growing season. Provide full sun for optimal growth. Monitor for pests and diseases and treat as needed.

Speedwell Care Tips

Speedwell is primarily an outdoor plant and is challenging to grow indoors due to its high light requirements and need for specific temperature and humidity conditions. It requires full sun and well-draining soil. Indoor cultivation is not recommended.

  • Provide well-draining soil to prevent root rot.
  • Deadhead spent flowers regularly to encourage more blooms.
  • Fertilize in spring with a balanced fertilizer.
  • Divide plants every few years to prevent overcrowding.
  • Monitor for pests and diseases and treat promptly.
❄️ Winter: In colder climates, provide mulch around the base of the plant to protect the roots from freezing. Reduce watering during dormancy. Prune back dead growth in late fall or early spring.
☀️ Summer: Water regularly during hot weather. Deadhead spent flowers to encourage continued blooming. Monitor for pests and diseases.

⚠️ Common Problems & Solutions — Plant Care Comparison

Bulrush

Common Issues: Algae growth in water, rhizome spread, stem rot
Solutions: Control algae with algaecides or by reducing sunlight exposure. Contain rhizome spread by using barriers or large containers. Prevent stem rot by ensuring good water circulation and avoiding overcrowding.

Speedwell

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

❓ Frequently Asked Questions — Comparing These Plants

Bulrush

What are the light requirements for Bulrush?

Bulrush demands plenty of sunlight to flourish. Ideally, it should receive at least 6 hours of direct sunlight each day. When planting in a pond or water garden, choose a location that is exposed to full sun. If growing in a container, place it in a sunny area of your patio or deck. Insufficient light can lead to weak growth, leggy stems, and reduced flowering. Be mindful of potential shading from nearby trees or buildings that could limit sunlight exposure. Rotate container-grown plants periodically to ensure even light distribution and prevent them from leaning towards the sun.

How do I care for Bulrush?

Bulrush thrives in consistently wet conditions, requiring a location in or near water such as a pond, water garden, or large container filled with water. Ensure the water is relatively clean and free of excessive algae. Provide at least 6 hours of direct sunlight daily for optimal growth. Fertilize sparingly with aquatic plant fertilizer tablets during the growing season (spring and summer), following the product instructions carefully to avoid over-fertilization, which can promote algae growth. Remove dead or decaying foliage regularly to maintain a tidy appearance and prevent the buildup of organic matter. Monitor water quality and perform partial water changes as needed to keep the environment healthy. Protect from extreme winter conditions in colder climates.

How do I propagate Bulrush?

Bulrush is easily propagated through division or by rooting cuttings in water.

Speedwell

What are the light requirements for Speedwell?

Speedwell flourishes in full sun, requiring at least six hours of direct sunlight each day for optimal growth and abundant blooming. While it can tolerate some partial shade, especially in hotter climates, insufficient light can lead to leggy growth and reduced flowering. When planting Speedwell, choose a location that receives ample sunlight throughout the day. If growing indoors, place the plant near a sunny window, ideally facing south or east. Rotate the plant regularly to ensure even light exposure on all sides. In areas with intense afternoon sun, providing some light shade during the hottest part of the day can prevent leaf scorch.

How do I care for Speedwell?

Speedwell thrives in well-draining soil and requires regular watering, especially during dry periods. Aim to keep the soil consistently moist, but avoid overwatering, which can lead to root rot. Provide Speedwell with at least six hours of sunlight daily for optimal blooming. In hotter climates, some afternoon shade can be beneficial. Fertilize your Speedwell every 4-6 weeks during the growing season with a balanced fertilizer to promote healthy growth and abundant blooms. Deadhead spent flowers regularly to encourage continuous flowering. Prune back the plant in late fall or early spring to maintain its shape and promote bushier growth. Protect Speedwell from extreme cold and frost in colder climates. Monitor for pests and diseases, and treat promptly if necessary.

How do I propagate Speedwell?

Speedwell can be propagated through division, stem cuttings, and seeds.

Last updated: April 28, 2026 — Plant care data reviewed and verified by our editorial team.