Bush Clover vs Pencil Cactus Plant Comparison

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

Bush Clover

Bush Clover

Lespedeza spp.

VS
Pencil Cactus

Pencil Cactus

Euphorbia tirucalli

Bush Clover

Bush Clover

Lespedeza spp.

Bush clovers are a diverse group of herbaceous perennials or subshrubs, typically characterized by their trifoliate leaves and pea-like flowers. They range in height from a few inches to several feet, depending on the species. Many species are valued for their drought tolerance and ability to thrive in poor soils, making them useful for erosion control and wildlife habitat. While some species are considered invasive in certain regions, others are cultivated for ornamental purposes or forage. They are primarily outdoor plants and do not thrive indoors.

Fabaceae (Leguminosae) Eastern Asia (primarily Japan, Korea, and China), with some species native to North America
✨ Features: Drought tolerance, nitrogen fixation (in some species), attracts pollinators
📖 Read Complete Bush Clover Guide
Pencil Cactus

Pencil Cactus

Euphorbia tirucalli

Euphorbia tirucalli, commonly known as Pencil Cactus, is a succulent shrub or small tree characterized by its smooth, cylindrical, pencil-thick green branches. It is virtually leafless for most of the year, with small, inconspicuous leaves appearing only briefly during the growing season. This plant can reach significant heights outdoors, but remains smaller when grown in containers. It's popular for its unique architectural form and drought tolerance. People grow it for its sculptural qualities and low maintenance requirements. It is primarily an outdoor plant but can be grown indoors with proper care.

Euphorbiaceae East Africa, India
✨ Features: Unique sculptural form, drought tolerance
📖 Read Complete Pencil Cactus Guide

Quick Plant Comparison

Feature Bush Clover Pencil Cactus
Light Full sun to partial shade Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal growth and color.
Watering Once or twice a week during the growing season, less frequently during dormancy. Every 2-4 weeks, depending on environmental conditions and pot size.
Humidity 30-50% 30-50%
Temperature 15-27°C 18-27°C
Care Level Expert Moderate
Growth Rate Moderate To Fast; Some Species Can Be Aggressive Spreaders Via Rhizomes Or Self-seeding. Moderate
Max Height 0.3-2 meters (outdoors) 1-2 meters indoors, up to 7 meters outdoors
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining soil; tolerates a wide range of soil types, including sandy, loamy, and clay soils. Prefers slightly acidic to neutral pH. Well-draining succulent or cactus mix
Beginner Friendly ❌ No With Caution
Weekly Maintenance 15 minutes weekly (outdoors) 5-10 minutes bi-weekly

🔬 Botanical Information — Comparing These Plants

Bush Clover

Scientific Name Lespedeza spp.
Family Fabaceae (Leguminosae)
Native To Eastern Asia (primarily Japan, Korea, and China), with some species native to North America
Also Known As Bush Clover, Japanese Bush Clover, Roundhead Lespedeza, Sericea Lespedeza
Leaves The leaves are trifoliate, meaning they consist of three leaflets. The leaflets are typically oval or oblong in shape and range in color from green to grayish-green. The texture is generally smooth.
Flowers Bush clover produces pea-like flowers in clusters or racemes. The flowers are typically pink, purple, or white, depending on the species. Flowering occurs in late summer or early fall. It will not flower indoors.

Pencil Cactus

Scientific Name Euphorbia tirucalli
Family Euphorbiaceae
Native To East Africa, India
Also Known As Pencil Cactus, Milk Bush, Indian Tree Spurge, Sticks on Fire
Leaves Leaves are small, lance-shaped, and inconspicuous, appearing only briefly during the growing season. They are typically less than 1 cm long and quickly fall off, leaving the plant virtually leafless.
Flowers It rarely flowers indoors. Outdoors, it produces small, inconspicuous yellow flowers at the tips of the branches, but flowering is infrequent.

📏 Size & Growth — Plant Comparison

Bush Clover

Height 0.3-2 meters (outdoors)
Spread 0.3-1.5 meters (outdoors); can spread aggressively depending on the species.
Growth Rate Moderate To Fast; Some Species Can Be Aggressive Spreaders Via Rhizomes Or Self-seeding.
Growth Pattern Bush clover exhibits a bushy or shrub-like growth pattern, with multiple stems arising from the base. Some species spread via rhizomes, forming colonies.

Pencil Cactus

Height 1-2 meters indoors, up to 7 meters outdoors
Spread 0.5-1 meter indoors, up to 2 meters outdoors
Growth Rate Moderate
Growth Pattern Upright, branching succulent shrub or small tree. It grows vertically with numerous cylindrical branches emerging from the main stem, creating a dense, bushy appearance.

🌱 Propagation — Comparing Plant Growth

Bush Clover

Methods: Seed, stem cuttings, division

Difficulty: Easy To Moderate

Tips: For seed propagation, scarify the seeds before sowing in spring. Stem cuttings can be taken in late spring or early summer. Division is best done in early spring or fall.

Pencil Cactus

Methods: Stem cuttings

Difficulty: Easy

Tips: Allow the cut end to callus over for several days before planting in well-draining soil. Wear gloves to avoid skin irritation from the sap.

✨ Benefits & Features — Comparing Plant Value

Bush Clover

Bush clover is known for its drought tolerance and ability to thrive in poor soils. Some species are nitrogen-fixing, which means they can improve soil fertility. It attracts pollinators and provides habitat for wildlife.

  • ✓ Attracts pollinators like bees and butterflies.
  • ✓ Provides habitat for wildlife.
  • ✓ Drought-tolerant and low-maintenance.
  • ✓ Can improve soil fertility through nitrogen fixation.
  • ✓ Adds visual interest to the landscape with its flowers and foliage.
  • ⚠️ Toxic to pets

Pencil Cactus

Its unique pencil-like branches and minimal foliage give it a distinct architectural appearance. The plant's drought tolerance and ability to thrive in harsh conditions make it a resilient and low-maintenance choice.

  • ✓ Drought-tolerant and low-maintenance
  • ✓ Adds a unique sculptural element to indoor spaces
  • ✓ Can improve indoor air quality by absorbing carbon dioxide
  • ✓ Provides a visually interesting focal point
  • ✓ Relatively pest-resistant when properly cared for
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Bush Clover

Repotting Not applicable for indoor growing as it's not recommended. If attempted, repot every 1-2 years in spring, especially if grown in a container.
Pruning Prune in early spring to remove dead or damaged growth and to shape the plant. Deadhead spent flowers to encourage further blooming.
Fertilizing Apply a balanced fertilizer (10-10-10) in early spring. Avoid over-fertilizing, as this can promote excessive vegetative growth at the expense of flowering.
Seasonal Care In spring, prune back dead or damaged growth. In summer, provide adequate water during dry periods. In fall, allow the plant to go dormant. In winter, protect from extreme cold if necessary.

Pencil Cactus

Repotting Every 2-3 years, or when the plant becomes root-bound.
Pruning Prune to maintain shape and remove dead or damaged branches. Wear gloves and eye protection when pruning to avoid contact with the sap.
Fertilizing Balanced liquid fertilizer diluted to half strength, applied once in spring and once in summer.
Seasonal Care Reduce watering in winter during dormancy. Provide bright light year-round. Protect from frost.

🌞 Light Requirements

Bush Clover

Full sun to partial shade

Low light tolerant: ❌ No

Pencil Cactus

Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal growth and color.

Low light tolerant: ❌ No

💧 Watering Needs

Bush Clover

Water deeply when the top inch of soil is dry. Avoid overwatering, which can lead to root rot. Established plants are drought-tolerant. Signs of underwatering include wilting and dry, brittle leaves. Overwatering symptoms include yellowing leaves and soggy soil.

Pencil Cactus

Allow the soil to dry out completely between waterings. Water thoroughly when the soil is dry to the touch. Reduce watering frequency during the dormant winter months. Overwatering can lead to root rot. Signs of underwatering include shriveled branches. Signs of overwatering include yellowing or mushy branches.

🌡️ Temperature & Humidity

Bush Clover

Temperature: 15-27°C

Humidity: 30-50%

Pencil Cactus

Temperature: 18-27°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Bush Clover

Bush Clover

Lespedeza spp.
Care: Expert Time: 15 minutes weekly (outdoors) Beginner: No

Gardeners looking for a drought-tolerant, low-maintenance plant for erosion control, wildlife habitat, or ornamental purposes in an outdoor setting.

✅ Choose This Plant If...

  • You need a drought-tolerant plant for a sunny location.
  • You want to attract pollinators to your garden.
  • You need a plant for erosion control on a slope.
  • You want a low-maintenance perennial for a naturalized area.
  • You are looking for a plant that can thrive in poor soils.

❌ Skip This Plant If...

  • You need a plant that thrives indoors.
  • You live in an area where it is considered invasive.
  • You have pets that might ingest it.
📍 Ideal Location: Outdoor garden, meadow, or naturalized area with full sun exposure.
🎨 Style: Naturalistic, Cottage, Wildlife Garden
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Lespedeza is toxic to horses, causing blistering or photosensitivity. Symptoms include skin irritation, blistering, and sensitivity to sunlight. The toxic principle is unknown.
Pencil Cactus

Pencil Cactus

Euphorbia tirucalli
Care: Moderate Time: 5-10 minutes bi-weekly Beginner: With-caution

Experienced plant owners who want a unique, sculptural succulent and can provide ample sunlight and keep it away from pets and children.

✅ Choose This Plant If...

  • You want a visually striking, low-maintenance plant.
  • You have a sunny location where it can thrive.
  • You are experienced with succulents and understand their watering needs.
  • You don't have pets or small children who might be exposed to the toxic sap.
  • You appreciate unique and sculptural plants.

❌ Skip This Plant If...

  • You have pets or small children due to the plant's toxicity.
  • You cannot provide adequate sunlight.
  • You tend to overwater plants.
  • You are looking for a plant that is easy to propagate without special precautions.
📍 Ideal Location: South-facing window or sunroom
🎨 Style: Modern, Minimalist, Southwestern
🏠 Apartment Friendly: Limited
⚠️ All parts of the plant contain a milky sap that is toxic to dogs, cats, and horses. Contact with the sap can cause skin irritation, oral irritation, vomiting, and diarrhea. Eye contact can cause severe irritation and temporary blindness.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Neither - caution
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

🎯

Bush Clover is rated Expert care level, while Pencil Cactus is Moderate.

💡 Pro Tips For Comparing These Plants

Bush Clover Care Tips

Bush clover is primarily an outdoor plant and is very challenging to grow indoors due to its high light requirements and need for seasonal dormancy. It requires full sun, well-draining soil, and moderate watering. Indoor cultivation is not recommended.

  • Plant in well-draining soil to prevent root rot.
  • Provide full sun for optimal growth and flowering.
  • Water deeply but infrequently, allowing the soil to dry out between waterings.
  • Prune in early spring to remove dead or damaged growth and shape the plant.
  • Monitor for pests and diseases and treat promptly.
❄️ Winter: Bush clover is dormant in winter. Reduce watering and protect from extreme cold if necessary. Prune back dead or damaged growth in late winter or early spring.
☀️ Summer: Provide adequate water during dry periods. Monitor for pests and diseases. Deadhead spent flowers to encourage further blooming.

Pencil Cactus Care Tips

Pencil Cactus requires bright light and infrequent watering. It is relatively easy to care for, but its toxic sap makes it unsuitable for homes with pets or small children. Indoor growth requires careful attention to light and watering to prevent etiolation and root rot.

  • Provide at least 6 hours of direct sunlight daily.
  • Allow the soil to dry out completely between waterings.
  • Use a well-draining succulent mix to prevent root rot.
  • Wear gloves and eye protection when handling the plant to avoid contact with the toxic sap.
  • Avoid over-fertilizing, as this can lead to leggy growth.
❄️ Winter: Reduce watering significantly during the winter months as the plant enters a dormant period. Ensure the plant is still receiving adequate sunlight. Protect from frost.
☀️ Summer: Water more frequently during the summer growing season, but still allow the soil to dry out completely between waterings. Provide ample sunlight and good ventilation.

⚠️ Common Problems & Solutions — Plant Care Comparison

Bush Clover

Common Issues: Root rot, powdery mildew, leaf spot, insect pests (aphids, spider mites)
Solutions: Ensure well-draining soil and avoid overwatering to prevent root rot. Apply a fungicide for powdery mildew and leaf spot. Treat insect infestations with insecticidal soap or neem oil.

Pencil Cactus

Common Issues: Root rot, scale insects, mealybugs, etiolation (stretching due to insufficient light)
Solutions: Root rot: Improve drainage and reduce watering frequency. Scale insects/Mealybugs: Treat with insecticidal soap or neem oil. Etiolation: Provide more light.

❓ Frequently Asked Questions — Comparing These Plants

Bush Clover

What are the light requirements for Bush Clover?

Bush Clover requires at least six hours of direct sunlight per day for optimal growth and abundant flowering. While it can tolerate partial shade, insufficient sunlight can lead to leggy growth and reduced bloom production. In hotter climates, some afternoon shade can be beneficial to prevent scorching of the foliage. When planting Bush Clover, choose a location that receives ample sunlight throughout the day. If growing in containers, rotate the plant regularly to ensure even light exposure on all sides. Monitor the plant’s growth and adjust its location as needed to provide the appropriate amount of light. South-facing locations are generally ideal.

How do I care for Bush Clover?

Bush Clover thrives in well-draining soil and requires full sun to partial shade for optimal growth and flowering. Water regularly, especially during dry periods, but avoid overwatering, which can lead to root rot. Fertilize in early spring with a balanced fertilizer to promote healthy growth and abundant blooms. Prune annually in late winter or early spring to remove dead or damaged branches and to maintain the desired shape. Bush Clover is relatively drought-tolerant once established. Protect from extreme cold in colder climates with a layer of mulch around the base of the plant. Monitor for pests and diseases, and treat promptly if necessary. Provide support for taller varieties to prevent them from sprawling. Ensure good air circulation to prevent fungal diseases. Regularly check the soil moisture to ensure proper watering.

How do I propagate Bush Clover?

Bush Clover can be propagated through several methods, including division, stem cuttings, and seed. Division is best done in early spring or fall. Carefully dig up the plant and divide the root ball into smaller sections, ensuring each section has healthy roots and shoots. Replant the divisions in well-draining soil. For stem cuttings, take 4-6 inch cuttings from new growth in late spring or early summer. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cuttings in a moist, well-draining potting mix and keep them in a humid environment until they root. Seeds can be sown in early spring after stratification (cold treatment). Keep the soil moist and warm until germination occurs.

Pencil Cactus

What are the light requirements for Pencil Cactus?

Pencil Cactus thrives in bright, direct sunlight. Aim for at least 6 hours of direct sunlight per day. Insufficient light can cause etiolation, resulting in weak, pale growth. An east- or south-facing window is ideal. If natural light is limited, supplement with a grow light. Rotate the plant regularly to ensure even light exposure on all sides.

How do I care for Pencil Cactus?

Pencil Cactus is a relatively easy-to-care-for succulent, thriving on neglect and bright light. Plant in well-draining cactus mix. Water sparingly, allowing the soil to dry out completely between waterings, especially during winter dormancy. Provide at least 6 hours of direct sunlight daily.

How do I propagate Pencil Cactus?

Pencil Cactus can be easily propagated through stem cuttings. Allow the cut end to callus over for several days before planting in well-draining cactus mix. Keep the soil slightly moist until roots develop. Propagation from offsets is also possible; simply detach the offset and plant it in well-draining soil. Seed propagation is more challenging and requires patience. Grafting is less common but can be used to propagate difficult-to-root varieties. Always wear gloves when handling cuttings due to the irritating sap. Allow the cutting to dry and form a callous before planting in soil. Protect from excessive sun while rooting. Rooting hormone can be used, but is not necessary.

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