Borage vs Obedient Plant Plant Comparison

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

Borage

Borage

Borago officinalis

VS
Obedient Plant

Obedient Plant

Physostegia virginiana

Borage

Borage

Borago officinalis

Borage is an annual herb characterized by its bristly, hairy stems and leaves. It typically grows to a height of 1-3 feet. The plant is primarily grown outdoors for its edible leaves and flowers, which have a cucumber-like flavor. The star-shaped, bright blue flowers are a major draw, attracting pollinators like bees. While it can be grown indoors, it requires very bright light and ample space, making it challenging for most indoor environments. It's valued for its culinary and medicinal uses.

Boraginaceae Mediterranean region
✨ Features: Attracts pollinators, edible flowers and leaves, medicinal properties (though use with caution due to pyrrolizidine alkaloids).
📖 Read Complete Borage 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 Borage Obedient Plant
Light Full sun (6-8 hours of direct sunlight daily) Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal growth and flowering.
Watering Every 2-5 days, depending on weather and soil drainage Every 3-7 days outdoors, less frequently if in partial shade or cooler conditions. Indoor cultivation is not recommended.
Humidity 30-50% 30-50%
Temperature 15-25°C 15-27°C
Care Level Expert Expert
Growth Rate Fast Fast
Max Height 0.3-0.9 meters (1-3 feet) outdoors; smaller indoors, if attempted 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, loamy soil Well-drained soil, loamy or sandy soil is preferred. Tolerates a range of soil pH levels.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15 minutes weekly 15 minutes weekly (outdoor)

🔬 Botanical Information — Comparing These Plants

Borage

Scientific Name Borago officinalis
Family Boraginaceae
Native To Mediterranean region
Also Known As Borage, Starflower, Bee Bush, Bee Bread
Leaves The leaves are oval to lance-shaped, 5-15 cm long, and covered in bristly hairs, giving them a rough texture. They are typically a dull green color. The leaves are alternate along the stem.
Flowers Borage produces star-shaped flowers that are typically bright blue, although pink and white varieties exist. The flowers hang downwards and are about 2-3 cm in diameter. They are edible and have a mild, cucumber-like flavor. It will flower outdoors, but is unlikely to flower indoors.

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

Borage

Height 0.3-0.9 meters (1-3 feet) outdoors; smaller indoors, if attempted
Spread 0.3-0.6 meters (1-2 feet)
Growth Rate Fast
Growth Pattern Borage grows upright with a bushy habit. It branches out from the main stem, producing numerous flowers and leaves. It can self-seed readily, leading to new plants appearing in subsequent seasons.

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

Borage

Methods: Seed

Difficulty: Easy

Tips: Sow seeds directly into the soil in spring after the last frost. Borage self-seeds readily.

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

Borage

Borage is known for its vibrant blue, star-shaped flowers and its cucumber-like flavor. It's also a significant attractant for pollinators, making it a valuable addition to any garden ecosystem. The hairy texture of the leaves and stems is another distinguishing feature.

  • ✓ Attracts beneficial pollinators to your garden
  • ✓ Provides edible flowers and leaves for culinary use
  • ✓ Can be used in traditional herbal remedies (with caution)
  • ✓ Adds a beautiful blue hue to your garden
  • ✓ Fast growing and easy to propagate from seed
  • ⚠️ 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

Borage

Repotting Not typically repotted as it's an annual. If grown in a container, choose a large pot from the start.
Pruning Deadhead spent flowers to encourage more blooms. Prune back leggy growth to maintain a compact shape.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, applied every 4-6 weeks during the growing season.
Seasonal Care In spring and summer, ensure adequate watering and fertilization. In fall, allow the plant to self-seed or collect seeds for next year's planting. Borage is an annual and will die back in winter.

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

Borage

Full sun (6-8 hours of direct sunlight daily)

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

Borage

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. In hot weather, more frequent watering may be needed. Signs of underwatering include wilting leaves. Signs of overwatering include yellowing leaves and soggy soil.

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

Borage

Temperature: 15-25°C

Humidity: 30-50%

Obedient Plant

Temperature: 15-27°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Borage

Borage

Borago officinalis
Care: Expert Time: 15 minutes weekly Beginner: No

Gardeners looking for a pollinator-attracting herb with edible flowers and leaves.

✅ Choose This Plant If...

  • You want to attract pollinators to your garden
  • You enjoy edible flowers and leaves with a cucumber-like taste
  • You have a sunny outdoor space
  • You want a fast-growing annual herb
  • You are interested in traditional herbal remedies (with caution and research).

❌ Skip This Plant If...

  • You have pets that may ingest the plant
  • You lack a sunny outdoor space
  • You are looking for a low-maintenance indoor plant
📍 Ideal Location: Outdoor garden or sunny balcony
🎨 Style: Cottage garden, Herb garden, Naturalistic
🏠 Apartment Friendly: No
⚠️ Borage contains pyrrolizidine alkaloids, which can be toxic to dogs, cats, and horses. Symptoms may include liver damage, vomiting, and diarrhea. All parts of the plant are potentially toxic, but the seeds contain the highest concentration of these alkaloids.
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

🌿

Both plants have similar basic care requirements but differ in appearance and specific needs. Compare plants carefully to find the best fit for your space.

💡 Pro Tips For Comparing These Plants

Borage Care Tips

Borage is primarily an outdoor plant that requires full sun and well-drained soil. Growing it indoors is challenging due to its high light requirements and potential for rapid growth. It is also toxic to pets, requiring careful placement if grown in a home with animals.

  • Provide full sun for optimal growth and flowering.
  • Water deeply but infrequently, allowing the soil to dry slightly between waterings.
  • Fertilize regularly during the growing season with a balanced liquid fertilizer.
  • Deadhead spent flowers to encourage more blooms.
  • Monitor for pests and diseases, and treat promptly.
❄️ Winter: Borage is an annual and will die back in winter. Collect seeds for replanting in the spring.
☀️ Summer: Ensure adequate watering during hot summer months. Provide some afternoon shade in extremely hot climates to prevent leaf scorch. Monitor for pests and diseases, such as aphids and powdery mildew.

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

Borage

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

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

Borage

What are the light requirements for Borage?

Borage thrives in full sun, requiring at least six hours of direct sunlight per day to promote abundant flowering and healthy growth. While it can tolerate partial shade, insufficient light can lead to leggy growth, reduced flowering, and paler foliage. When growing Borage indoors, place it near a south-facing window where it can receive maximum sunlight. If natural light is limited, supplement with grow lights to ensure adequate illumination. Rotate the plant regularly to ensure even light exposure on all sides. Insufficient light can weaken the plant and make it more susceptible to pests and diseases.

How do I care for Borage?

Borage is generally easy to care for, thriving in well-draining soil and full sun to partial shade. Water regularly, especially during dry periods, but avoid overwatering to prevent root rot. Fertilize lightly with a balanced fertilizer in spring to encourage blooming, switching to a bloom-boosting fertilizer as flowers appear. Deadhead spent flowers to promote continuous blooming. Borage is relatively pest-resistant but watch for aphids and spider mites. Provide adequate air circulation to prevent fungal diseases. Borage can tolerate a range of temperatures but prefers moderate conditions. Indoors, ensure adequate light and humidity. Regularly inspect your Borage for any signs of stress or disease, and adjust your care routine accordingly.

How do I propagate Borage?

Borage can be propagated easily from seeds. Sow seeds directly into the garden in spring or fall, or start them indoors 6-8 weeks before the last frost. Borage can also self-seed readily. Root cuttings can also be taken in the spring. Select a healthy stem and cut it just below a node. Remove the lower leaves and place the cutting in water or directly into moist soil. Keep the soil moist and provide bright, indirect light until roots develop. Once rooted, transplant the cutting into a pot or garden bed. Division is not suitable for Borage due to its taproot system. Borage propagation is simple and rewarding!

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: April 27, 2026 — Plant care data reviewed and verified by our editorial team.