Boxwood vs Obedient Plant Plant Comparison

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

Boxwood

Boxwood

Buxus spp.

VS
Obedient Plant

Obedient Plant

Physostegia virginiana

Boxwood

Boxwood

Buxus spp.

Boxwood is a genus of about 70 species in the family Buxaceae. These are evergreen shrubs or small trees, reaching 1-12 meters tall. The leaves are small, opposite, leathery, and ovate. Boxwoods are popular for formal gardens, hedges, topiary, and containers. They are known for their dense, fine-textured foliage and ability to be shaped. While primarily outdoor plants, they are sometimes brought indoors for short periods, especially during the holidays, but long-term indoor cultivation is challenging.

Buxaceae Europe, Asia, Africa, and Central America
✨ Features: Dense foliage, ability to be shaped through pruning.
📖 Read Complete Boxwood Guide
Obedient Plant

Obedient Plant

Physostegia virginiana

Physostegia virginiana, commonly known as Obedient Plant, is a herbaceous perennial native to North America. It's characterized by its upright growth habit and lance-shaped, toothed leaves. The plant produces spikes of tubular flowers in shades of pink, lavender, or white during late summer and early fall. It gets its name from the fact that if you gently bend the flowers on the stem, they will stay in the position you put them, hence 'obedient'. Primarily an outdoor plant, it's grown in gardens for its late-season blooms and attractiveness to pollinators. Indoor cultivation is challenging due to its high light and space requirements.

Lamiaceae Eastern and Central North America
✨ Features: Attracts butterflies and hummingbirds, unique flower positioning.
📖 Read Complete Obedient Plant Guide

Quick Plant Comparison

Feature Boxwood Obedient Plant
Light Full sun to partial shade outdoors. Indoors, requires very bright, indirect light, preferably near a south-facing window. Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal growth and flowering.
Watering Every 1-2 weeks, depending on environmental conditions and pot size. Check soil moisture regularly. Every 3-7 days outdoors, less frequently if in partial shade or cooler conditions. Indoor cultivation is not recommended.
Humidity 40-60% 30-50%
Temperature 15-24°C 15-27°C
Care Level Expert Expert
Growth Rate Slow Fast
Max Height 0.3-1 meter indoors (much smaller than outdoor specimens) Outdoor: 60-120 cm. Indoor: Not recommended, but if attempted, expect significantly stunted growth.
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining, slightly acidic soil. A mix of potting soil, peat moss, and perlite is suitable. Well-drained soil, loamy or sandy soil is preferred. Tolerates a range of soil pH levels.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes weekly 15 minutes weekly (outdoor)

🔬 Botanical Information — Comparing These Plants

Boxwood

Scientific Name Buxus spp.
Family Buxaceae
Native To Europe, Asia, Africa, and Central America
Also Known As Boxwood, Box, Common Box, American Boxwood, English Boxwood
Leaves The leaves are small, typically 1-3 cm long, oval or elliptical in shape, and have a smooth, leathery texture. They are typically a deep green color, but some varieties have variegated foliage.
Flowers Boxwood rarely flowers indoors. Outdoors, it produces small, inconspicuous, greenish-yellow flowers in spring.

Obedient Plant

Scientific Name Physostegia virginiana
Family Lamiaceae
Native To Eastern and Central North America
Also Known As Obedient Plant, False Dragonhead
Leaves Lance-shaped, toothed leaves that are typically green. They are arranged oppositely along the stem and have a slightly rough texture.
Flowers Flowers are tubular and arranged in spikes. They come in shades of pink, lavender, or white. Flowering occurs in late summer and early fall. Rarely flowers indoors.

📏 Size & Growth — Plant Comparison

Boxwood

Height 0.3-1 meter indoors (much smaller than outdoor specimens)
Spread 0.3-1 meter indoors
Growth Rate Slow
Growth Pattern Boxwood grows slowly and densely, forming a compact, bushy shape. It can be pruned into various shapes, making it ideal for topiary.

Obedient Plant

Height Outdoor: 60-120 cm. Indoor: Not recommended, but if attempted, expect significantly stunted growth.
Spread 30-60 cm. Spreads aggressively via rhizomes.
Growth Rate Fast
Growth Pattern Upright, clump-forming perennial that spreads aggressively via rhizomes. It can form dense colonies if not contained.

🌱 Propagation — Comparing Plant Growth

Boxwood

Methods: Stem cuttings

Difficulty: Moderate

Tips: Take semi-hardwood cuttings in late summer. Dip the cut end in rooting hormone and plant in a well-draining potting mix. Keep the cuttings moist and in a humid environment until rooted.

Obedient Plant

Methods: Division, Seed, Stem cuttings

Difficulty: Easy

Tips: Division is best done in spring or fall. For stem cuttings, take cuttings in late spring or early summer and root in water or moist soil. Seeds can be sown directly in the garden in fall or stratified and sown in spring.

✨ Benefits & Features — Comparing Plant Value

Boxwood

Boxwood is known for its dense, fine-textured foliage and ability to be shaped through pruning. Its evergreen nature provides year-round visual interest. Growing it indoors is a challenge, making it a unique endeavor.

  • ✓ Provides a formal and structured aesthetic.
  • ✓ Can be shaped into various forms through pruning.
  • ✓ Adds a touch of elegance to indoor spaces.
  • ✓ Offers a sense of tranquility and order.
  • ✓ Can be a conversation starter due to its unique care requirements indoors.
  • ⚠️ Toxic to pets

Obedient Plant

The Obedient Plant is known for its unique flower positioning; the flowers stay in place when gently moved. It's also a late-season bloomer, providing color when many other perennials are finished flowering.

  • ✓ Attracts pollinators to the garden
  • ✓ Provides late-season color
  • ✓ Easy to propagate
  • ✓ Low maintenance once established
  • ✓ Adds a unique touch to floral arrangements
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Boxwood

Repotting Repot every 2-3 years, or when the plant becomes root-bound.
Pruning Prune regularly to maintain desired shape and size. Prune in late winter or early spring before new growth begins.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, every 2-3 months during the growing season (spring and summer).
Seasonal Care In winter, reduce watering and provide bright, indirect light. In summer, ensure adequate moisture and protect from intense afternoon sun. Boxwoods do not typically go dormant indoors.

Obedient Plant

Repotting Not recommended for indoor growing. If attempted, repot annually in spring to control rhizomatous spread.
Pruning Cut back spent flower stalks to encourage reblooming. Prune aggressively in spring to control size and shape.
Fertilizing Balanced fertilizer (10-10-10) in spring as new growth emerges. Avoid over-fertilizing, which can lead to leggy growth.
Seasonal Care Spring: Divide if needed, fertilize. Summer: Monitor for pests and diseases, water regularly. Fall: Cut back spent flower stalks, divide if needed. Winter: Dormant, minimal watering.

🌞 Light Requirements

Boxwood

Full sun to partial shade outdoors. Indoors, requires very bright, indirect light, preferably near a south-facing window.

Low light tolerant: ❌ No

Obedient Plant

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

Low light tolerant: ❌ No

💧 Watering Needs

Boxwood

Water thoroughly when the top inch of soil is dry. Avoid overwatering, which can lead to root rot. Allow excess water to drain away. Signs of overwatering include yellowing leaves and leaf drop. Underwatering results in dry, brittle leaves.

Obedient Plant

Water deeply when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. In containers, ensure proper drainage. Signs of underwatering include wilting leaves, while overwatering can manifest as yellowing leaves and a soggy soil.

🌡️ Temperature & Humidity

Boxwood

Temperature: 15-24°C

Humidity: 40-60%

Obedient Plant

Temperature: 15-27°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Boxwood

Boxwood

Buxus spp.
Care: Expert Time: 30 minutes weekly Beginner: No

Experienced plant enthusiasts who want to try growing a small boxwood indoors for a limited time.

✅ Choose This Plant If...

  • You appreciate formal, manicured aesthetics.
  • You want a plant that can be shaped through pruning.
  • You have a very bright, sunny indoor location.
  • You are willing to provide consistent and attentive care.
  • You understand the challenges of growing an outdoor plant indoors.

❌ Skip This Plant If...

  • You have pets that may ingest the plant.
  • You lack a bright, sunny indoor location.
  • You are a beginner plant owner.
📍 Ideal Location: Brightest room in the house, near a south-facing window.
🎨 Style: Traditional, Formal, Minimalist
🏠 Apartment Friendly: Limited
⚠️ All parts of the boxwood plant are toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, abdominal pain, and incoordination. Contact a veterinarian immediately if ingestion is suspected.
Obedient Plant

Obedient Plant

Physostegia virginiana
Care: Expert Time: 15 minutes weekly (outdoor) Beginner: No

Gardeners looking for a late-season blooming perennial that attracts pollinators.

✅ Choose This Plant If...

  • You want a late-season bloomer that attracts pollinators.
  • You enjoy unique flower arrangements and the 'obedient' nature of the blooms.
  • You have a sunny garden space and want a low-maintenance perennial.
  • You want to attract butterflies and hummingbirds to your garden.
  • You are looking for a plant that is easy to propagate.

❌ Skip This Plant If...

  • You have limited sunlight indoors.
  • You don't want a plant that spreads aggressively.
  • You have pets that may ingest the plant.
📍 Ideal Location: Outdoor garden, sunny border, meadow garden
🎨 Style: Cottage, Naturalistic, Traditional
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Obedient Plant is toxic to dogs, cats, and horses. The toxic principle is unknown. Symptoms include gastrointestinal upset (vomiting, diarrhea), and dermatitis.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

📈

Boxwood has slow growth, while Obedient Plant grows fast.

💡 Pro Tips For Comparing These Plants

Boxwood Care Tips

Boxwood is primarily an outdoor plant and requires specific conditions to thrive indoors. It needs very bright light, well-draining soil, and careful watering to prevent root rot. Maintaining adequate humidity is also crucial. Long-term indoor survival is challenging.

  • Provide consistent bright light to prevent leggy growth.
  • Water thoroughly but allow the soil to dry slightly between waterings.
  • Maintain adequate humidity by misting regularly or using a humidifier.
  • Prune regularly to maintain shape and encourage dense growth.
  • Monitor for pests and diseases and treat promptly.
❄️ Winter: Reduce watering frequency during the winter months. Ensure the plant receives bright, indirect light. Avoid placing near heat sources, which can dry out the foliage.
☀️ Summer: Provide adequate moisture during the summer months. Protect from intense afternoon sun, which can scorch the leaves. Ensure good air circulation to prevent fungal diseases.

Obedient Plant Care Tips

Obedient Plant is primarily an outdoor plant and requires full sun and well-drained soil. Indoor cultivation is challenging due to its high light requirements and aggressive spreading habit. It can quickly outgrow containers and may not flower properly indoors. Requires careful monitoring of water and fertilizer.

  • Plant in well-drained soil to prevent root rot.
  • Provide full sun for optimal flowering.
  • Divide every few years to control spread and rejuvenate the plant.
  • Deadhead spent flowers to encourage more blooms.
  • Monitor for powdery mildew and rust, especially in humid conditions.
❄️ Winter: Cut back dead foliage in late fall or early spring. Mulch around the base of the plant to protect the roots in colder climates. Minimal watering is needed during dormancy.
☀️ Summer: Water regularly during dry spells. Monitor for pests and diseases. Deadhead spent flowers to encourage more blooms. Provide support if the plant becomes leggy or top-heavy.

⚠️ Common Problems & Solutions — Plant Care Comparison

Boxwood

Common Issues: Root rot, spider mites, boxwood leafminer, nutrient deficiencies
Solutions: Root rot: Improve drainage and reduce watering frequency. Spider mites: Increase humidity and treat with insecticidal soap. Boxwood leafminer: Apply systemic insecticide in spring. Nutrient deficiencies: Fertilize with a balanced fertilizer.

Obedient Plant

Common Issues: Powdery mildew, Rust, Aggressive spreading, Leggy growth (if not enough light)
Solutions: Powdery mildew: Improve air circulation and apply fungicide. Rust: Remove infected leaves and apply fungicide. Aggressive spreading: Plant in containers or use barriers to contain rhizomes. Leggy growth: Provide more sunlight and prune back to encourage bushier growth.

❓ Frequently Asked Questions — Comparing These Plants

Boxwood

What are the light requirements for Boxwood?

Boxwood prefers bright, indirect light when grown indoors. Direct sunlight can scorch the leaves, causing them to turn brown. An east-facing window is often ideal, providing gentle morning light. A north-facing window may also work, but the plant might need supplemental light, especially during winter. If using a south- or west-facing window, place the plant several feet away from the window or use sheer curtains to filter the light. Signs of insufficient light include leggy growth and pale leaves. Rotate the plant regularly to ensure all sides receive adequate light. Consider using a grow light if natural light is limited.

How do I care for Boxwood?

Boxwood thrives indoors with proper care. Provide bright, indirect light; avoid direct sunlight which can scorch the leaves. Water thoroughly when the top inch of soil is dry, ensuring good drainage to prevent root rot. Maintain moderate humidity, ideally between 40-60%. Fertilize sparingly with a balanced, slow-release fertilizer during the growing season (spring and summer). Prune regularly to maintain the desired shape and remove any dead or yellowing foliage. Repot every 2-3 years into a slightly larger pot with well-draining potting mix. Maintain stable temperatures between 60-75°F (15-24°C). Rotate the plant regularly to ensure even growth on all sides. Monitor for pests such as spider mites and treat promptly if detected. Avoid drafts and sudden temperature changes. Use a pot with drainage holes.

How do I propagate Boxwood?

Boxwood can be propagated through stem cuttings or air layering. 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 cutting in a pot filled with well-draining potting mix. Keep the soil moist and cover the pot with a plastic bag to maintain humidity. Roots should develop in 6-8 weeks. For air layering, make a shallow cut on a stem and wrap it with moist sphagnum moss. Cover the moss with plastic wrap and secure it with tape. Once roots have formed, cut the stem below the roots and plant it in a pot.

Obedient Plant

What are the light requirements for Obedient Plant?

Obedient Plant thrives best in full sun, requiring at least 6 hours of direct sunlight per day to produce abundant blooms and maintain strong, upright growth. In hotter climates, some afternoon shade can be beneficial to prevent leaf scorch. Insufficient sunlight can lead to leggy growth, reduced flowering, and weaker stems. When grown indoors, place Obedient Plant near a sunny window, such as a south-facing or west-facing exposure. Rotate the plant regularly to ensure even light exposure on all sides. Supplemental lighting may be necessary during winter months or in areas with limited natural light.

How do I care for Obedient Plant?

Obedient Plant thrives in full sun to partial shade and prefers moist, well-drained soil. Water regularly, especially during dry periods, but avoid overwatering to prevent root rot. Fertilize in early spring with a balanced fertilizer to promote healthy growth and abundant blooms. Deadhead spent flowers to encourage further blooming. Be aware that Obedient Plant can be aggressive; consider planting it in containers or using barriers to control its spread. Prune back stems after flowering to maintain shape and prevent excessive self-seeding. Monitor for pests like aphids and spider mites, and treat as needed. Provide adequate air circulation to prevent fungal diseases.

How do I propagate Obedient Plant?

Obedient Plant can be easily propagated through division, stem cuttings, or seeds. Division is best done in early spring or fall by separating the rhizomes and replanting them. For stem cuttings, take 4-6 inch cuttings from healthy stems in late spring or early summer. Remove the lower leaves and plant the cuttings in moist potting mix. Keep the cuttings humid by covering them with a plastic bag or dome. Seeds can be sown directly in the garden in fall or started indoors in early spring. Keep the soil moist until germination.

Last updated: May 4, 2026 — Plant care data reviewed and verified by our editorial team.