Bulrush vs Helichrysum 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
Helichrysum

Helichrysum

Helichrysum petiolare

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
Helichrysum

Helichrysum

Helichrysum petiolare

Helichrysum petiolare, commonly known as the Licorice Plant, is a tender perennial often grown as an annual. It features soft, rounded, silvery-gray leaves that are slightly fuzzy to the touch. The plant has a trailing or mounding growth habit, making it suitable for hanging baskets, containers, and as a ground cover in warmer climates. While it can be grown indoors, it thrives outdoors in full sun. People grow it for its attractive foliage, which adds a textural element to gardens and containers. It is not typically grown for its flowers, which are small and insignificant.

Asteraceae South Africa
✨ Features: Attractive silvery foliage, drought tolerant once established.
📖 Read Complete Helichrysum Guide

Quick Plant Comparison

Feature Bulrush Helichrysum
Light Full sun to partial shade Full sun to partial shade outdoors. Indoors, requires very bright, direct light for at least 6 hours per day.
Watering Daily to keep soil constantly wet Every 1-2 weeks indoors, depending on light and temperature. More frequently outdoors, especially during hot weather.
Humidity 60-90% 40-60%
Temperature 10-25°C 18-24°C
Care Level Expert Expert
Growth Rate Fast Moderate
Max Height Up to 3 meters outdoors; significantly smaller in containers (1-1.5 meters) 0.3-0.6 meters (indoors); 0.6-1 meter (outdoors)
Pet Safety ✅ Safe ❌ Toxic To Pets
Soil Heavy clay or loam soil, amended with organic matter. Submerged in water. Well-draining potting mix. A mix of potting soil, perlite, and sand is suitable.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes weekly 15 minutes weekly

🔬 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.

Helichrysum

Scientific Name Helichrysum petiolare
Family Asteraceae
Native To South Africa
Also Known As Licorice Plant, Silver Bush, Curry Plant (sometimes confused with Helichrysum italicum)
Leaves Rounded, soft, silvery-gray leaves that are slightly fuzzy to the touch. The leaves are typically 2-5 cm in diameter and have a velvety texture.
Flowers Rarely flowers indoors. Outdoors, it produces small, insignificant yellowish-white flowers, but it is primarily grown for its foliage.

📏 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.

Helichrysum

Height 0.3-0.6 meters (indoors); 0.6-1 meter (outdoors)
Spread 0.6-1.2 meters
Growth Rate Moderate
Growth Pattern Trailing or mounding growth habit. Stems can become quite long and cascade over the edges of containers or spread along the ground.

🌱 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.

Helichrysum

Methods: Stem cuttings

Difficulty: Easy

Tips: Take stem cuttings in spring or summer. Remove the lower leaves and place the cuttings in water or moist potting mix. Keep the cuttings in a warm, bright location until roots develop.

✨ 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

Helichrysum

The silvery-gray foliage is its most distinctive feature, providing a unique textural element in gardens and containers. It is also relatively drought-tolerant once established, making it a good choice for dry climates. It is often used as a filler or spiller plant in container arrangements.

  • ✓ Adds visual interest with its silvery foliage.
  • ✓ Drought-tolerant once established, reducing water needs.
  • ✓ Attracts pollinators when grown outdoors.
  • ✓ Can be used as a ground cover in suitable climates.
  • ✓ Easy to propagate from cuttings.
  • ⚠️ 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.

Helichrysum

Repotting Repot annually in spring if the plant becomes root-bound.
Pruning Prune regularly to maintain shape and encourage bushier growth. Pinch back stems to prevent legginess.
Fertilizing Balanced liquid fertilizer diluted to half strength. Apply every 4-6 weeks during the growing season (spring and summer).
Seasonal Care In winter, reduce watering and provide as much light as possible. In summer, water more frequently and protect from intense afternoon sun in very hot climates.

🌞 Light Requirements

Bulrush

Full sun to partial shade

Low light tolerant: ❌ No

Helichrysum

Full sun to partial shade outdoors. Indoors, requires very bright, direct light for at least 6 hours per day.

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.

Helichrysum

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, as this can lead to root rot. Allow the soil to dry out slightly between waterings. Signs of overwatering include yellowing leaves and a mushy stem. Underwatering results in wilting and dry, crispy leaves.

🌡️ Temperature & Humidity

Bulrush

Temperature: 10-25°C

Humidity: 60-90%

Helichrysum

Temperature: 18-24°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.
Helichrysum

Helichrysum

Helichrysum petiolare
Care: Expert Time: 15 minutes weekly Beginner: No

Experienced gardeners who can provide ample sunlight and well-draining conditions.

✅ Choose This Plant If...

  • You want a drought-tolerant plant for your garden.
  • You need a silvery-foliage accent plant.
  • You have a sunny location where other plants struggle.
  • You enjoy propagating plants from cuttings.
  • You want a plant that attracts pollinators outdoors.

❌ Skip This Plant If...

  • You have pets that may ingest the plant.
  • You cannot provide very bright, direct light indoors.
  • You tend to overwater your plants.
📍 Ideal Location: Sunny patio or balcony; south-facing window indoors (though challenging).
🎨 Style: Mediterranean, Cottage, Coastal
🏠 Apartment Friendly: Limited
⚠️ According to the ASPCA, Helichrysum is toxic to dogs, cats, and horses. Symptoms include dermatitis and photosensitivity.

🎯 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 Helichrysum grows moderate.

💡 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.

Helichrysum Care Tips

Helichrysum petiolare is primarily an outdoor plant and requires very bright light to thrive indoors. It needs well-draining soil and careful watering to prevent root rot. Indoor cultivation can be challenging due to the high light requirements and susceptibility to pests.

  • Provide at least 6 hours of direct sunlight daily for optimal growth.
  • Allow the soil to dry out slightly between waterings to prevent root rot.
  • Prune regularly to maintain shape and prevent legginess.
  • Fertilize sparingly during the growing season.
  • Monitor for pests such as spider mites and aphids and treat promptly.
❄️ Winter: Reduce watering significantly. Provide as much light as possible. Protect from frost if grown outdoors.
☀️ Summer: Water more frequently during hot weather. Provide some shade during the hottest part of the day in very hot climates.

⚠️ 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.

Helichrysum

Common Issues: Root rot, spider mites, aphids, leggy growth
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Spider mites: Treat with insecticidal soap or neem oil. Aphids: Wash off with a strong stream of water or treat with insecticidal soap. Leggy growth: Provide more light and prune regularly.

❓ 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.

Helichrysum

What are the light requirements for Helichrysum?

Helichrysum requires at least 6-8 hours of direct sunlight per day to thrive. Insufficient light can result in leggy growth, reduced flowering, and pale foliage. When grown indoors, place Helichrysum near a south-facing window where it can receive ample sunlight. If natural light is limited, supplement with grow lights to ensure adequate illumination.

How do I care for Helichrysum?

Helichrysum thrives in well-draining soil and requires full sun exposure for optimal growth and blooming. Water thoroughly when the top inch of soil feels dry, allowing excess water to drain away. Avoid overwatering, which can lead to root rot. Fertilize monthly during the growing season (spring and summer) with a balanced fertilizer to promote healthy growth and abundant blooms.

How do I propagate Helichrysum?

Helichrysum can be easily propagated through stem cuttings. Take 4-6 inch cuttings from healthy stems, removing the lower leaves. Dip the cut end in rooting hormone and plant in well-draining potting mix. Keep the soil consistently moist and provide bright, indirect light. Roots should develop within 2-4 weeks.

Last updated: April 22, 2026 — Plant care data reviewed and verified by our editorial team.