Butterfly Weed vs English Lavender Plant Comparison

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

Butterfly Weed

Butterfly Weed

Asclepias tuberosa

VS
English Lavender

English Lavender

Lavandula angustifolia

Butterfly Weed

Butterfly Weed

Asclepias tuberosa

Butterfly Weed is a herbaceous perennial native to North America, known for its vibrant orange (sometimes yellow or red) flowers. It typically grows to a height of 1-3 feet with an upright, bushy habit. Unlike other milkweeds, it does not have milky sap. It's primarily an outdoor plant, valued for attracting butterflies, especially Monarchs, and other pollinators to gardens. It is grown for its bright blooms and its role as a host plant for Monarch butterfly larvae.

Apocynaceae North America
✨ Features: Attracts butterflies, especially Monarchs; host plant for Monarch larvae; drought-tolerant once established.
📖 Read Complete Butterfly Weed Guide
English Lavender

English Lavender

Lavandula angustifolia

English Lavender is a perennial shrub known for its fragrant flowers and aromatic foliage. It typically grows to a height of 1-3 feet. The plant features narrow, gray-green leaves and produces spikes of purple flowers in the summer. It is primarily an outdoor plant, thriving in sunny, well-drained locations. People grow it for its ornamental value, fragrance, and use in aromatherapy and culinary applications. While it can be attempted indoors, it requires very specific conditions to thrive.

Lamiaceae Mediterranean region
✨ Features: Fragrant flowers and foliage, used in aromatherapy and culinary applications.
📖 Read Complete English Lavender Guide

Quick Plant Comparison

Feature Butterfly Weed English Lavender
Light Full sun (at least 6 hours of direct sunlight daily) Full sun (at least 6-8 hours of direct sunlight per day)
Watering Once established, water deeply every 2-4 weeks, or more frequently during prolonged dry spells. Every 1-2 weeks, depending on environmental conditions and soil drainage.
Humidity 30-50% 30-50%
Temperature 18-30°C 18-24°C
Care Level Expert Expert
Growth Rate Moderate Moderate
Max Height N/A - Primarily an outdoor plant; difficult to maintain indoors. 0.3-0.9 meters (indoors, likely smaller and less robust)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining sandy or loamy soil. Avoid heavy clay soils. Well-draining, sandy or gravelly soil with a slightly alkaline pH (6.5-8.0)
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 10 minutes weekly (weeding, deadheading, pest control) 30 minutes weekly

🔬 Botanical Information — Comparing These Plants

Butterfly Weed

Scientific Name Asclepias tuberosa
Family Apocynaceae
Native To North America
Also Known As Butterfly Weed, Pleurisy Root, Orange Milkweed, Butterfly Milkweed
Leaves The leaves are lance-shaped, 2-6 inches long, and arranged alternately along the stems. They are smooth, green, and have a slightly leathery texture.
Flowers Butterfly Weed produces clusters of bright orange (sometimes yellow or red) flowers in umbels at the ends of the stems. Flowering typically occurs from late spring to late summer. It does not flower indoors.

English Lavender

Scientific Name Lavandula angustifolia
Family Lamiaceae
Native To Mediterranean region
Also Known As English Lavender, True Lavender, Common Lavender
Leaves The leaves of English Lavender are narrow, linear, and gray-green in color. They are approximately 1-2 inches long and have a slightly fuzzy texture. The leaves are highly aromatic when crushed.
Flowers English Lavender rarely flowers indoors. Outdoors, it produces spikes of fragrant, purple flowers in the summer. The flowers are small and tubular, arranged in dense clusters along the stem.

📏 Size & Growth — Plant Comparison

Butterfly Weed

Height N/A - Primarily an outdoor plant; difficult to maintain indoors.
Spread N/A - Primarily an outdoor plant; difficult to maintain indoors. Spreads by rhizomes.
Growth Rate Moderate
Growth Pattern Upright, bushy perennial with multiple stems emerging from a central root system. It typically grows to a height of 1-3 feet and spreads by rhizomes.

English Lavender

Height 0.3-0.9 meters (indoors, likely smaller and less robust)
Spread 0.3-0.9 meters
Growth Rate Moderate
Growth Pattern English Lavender grows as a bushy, rounded shrub. It has an upright growth habit, with flower spikes extending above the foliage.

🌱 Propagation — Comparing Plant Growth

Butterfly Weed

Methods: Seed, Root cuttings, Division

Difficulty: Moderate

Tips: For seeds, cold stratification (placing seeds in a refrigerator for several weeks) improves germination. Root cuttings should be taken in late fall or early spring. Division is best done in early spring or fall.

English Lavender

Methods: Stem cuttings, Seed, Layering

Difficulty: Moderate

Tips: Take stem cuttings in spring or early summer. Use rooting hormone and provide adequate moisture. Seeds can be sown in spring, but germination can be slow and inconsistent.

✨ Benefits & Features — Comparing Plant Value

Butterfly Weed

Unlike many other milkweeds, Butterfly Weed has clear sap instead of milky sap. It is also known for its vibrant orange flowers, which are a favorite of butterflies.

  • ✓ Attracts pollinators, supporting local ecosystems.
  • ✓ Provides food and habitat for Monarch butterflies.
  • ✓ Adds vibrant color to the garden.
  • ✓ Drought-tolerant, reducing water consumption.
  • ✓ Relatively low-maintenance once established.
  • ⚠️ Toxic to pets

English Lavender

English Lavender is prized for its strong, sweet fragrance and classic purple flowers. It is more cold-hardy than some other lavender species. Its essential oil is widely used in aromatherapy for its calming properties.

  • ✓ Aromatic fragrance promotes relaxation and reduces stress
  • ✓ Beautiful purple flowers enhance garden aesthetics
  • ✓ Attracts pollinators like bees and butterflies
  • ✓ Can be used in culinary applications to flavor dishes
  • ✓ Dried flowers can be used in potpourri and sachets.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Butterfly Weed

Repotting N/A - Primarily an outdoor plant.
Pruning Deadhead spent flowers to encourage continued blooming. Cut back stems to the ground in late fall or early spring.
Fertilizing Generally, Butterfly Weed does not require heavy fertilization. A light application of a balanced, slow-release fertilizer in early spring can be beneficial, but avoid over-fertilizing, as this can reduce flowering.
Seasonal Care Spring: Plant seeds or transplants. Summer: Monitor for pests, deadhead spent flowers. Fall: Cut back stems after flowering, divide plants if needed. Winter: Dormant; minimal watering required.

English Lavender

Repotting Repot only when necessary, typically every 2-3 years, using a well-draining potting mix.
Pruning Prune after flowering to maintain shape and encourage bushier growth. Avoid cutting into old wood.
Fertilizing Low-nitrogen fertilizer, applied sparingly in spring. Avoid over-fertilizing.
Seasonal Care In winter, reduce watering and protect from frost. In spring, prune to promote new growth. In summer, ensure adequate sunlight and water during dry periods. In fall, lightly prune after flowering.

🌞 Light Requirements

Butterfly Weed

Full sun (at least 6 hours of direct sunlight daily)

Low light tolerant: ❌ No

English Lavender

Full sun (at least 6-8 hours of direct sunlight per day)

Low light tolerant: ❌ No

💧 Watering Needs

Butterfly Weed

Water deeply when planting and during establishment. Once established, it is drought-tolerant and prefers well-draining soil. Overwatering can lead to root rot. Check soil moisture before watering; allow the top inch or two to dry out. Signs of underwatering include wilting leaves; overwatering presents as yellowing leaves and soggy soil.

English Lavender

Water thoroughly when the top inch of soil is dry. Avoid overwatering, as lavender is susceptible to root rot. Signs of overwatering include yellowing leaves and a musty smell. Underwatering is indicated by wilting and dry, brittle leaves.

🌡️ Temperature & Humidity

Butterfly Weed

Temperature: 18-30°C

Humidity: 30-50%

English Lavender

Temperature: 18-24°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Butterfly Weed

Butterfly Weed

Asclepias tuberosa
Care: Expert Time: 10 minutes weekly (weeding, deadheading, pest control) Beginner: No

Gardeners looking to attract butterflies and pollinators to their outdoor gardens.

✅ Choose This Plant If...

  • You want to attract Monarch butterflies to your garden.
  • You have a sunny, well-drained garden space.
  • You are looking for a drought-tolerant perennial.
  • You want to support native pollinators.
  • You appreciate vibrant orange flowers.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You don't have a location with full sun.
  • You are looking for an easy-to-grow indoor plant.
📍 Ideal Location: Outdoor garden or wildflower meadow with full sun exposure.
🎨 Style: Naturalistic, Cottage Garden, Wildflower Meadow
🏠 Apartment Friendly: No
⚠️ Contains cardiac glycosides which can be toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, weakness, and in severe cases, heart problems. All parts of the plant are considered toxic.
English Lavender

English Lavender

Lavandula angustifolia
Care: Expert Time: 30 minutes weekly Beginner: No

Experienced gardeners who can provide the specific environmental conditions required for successful growth, especially outdoors.

✅ Choose This Plant If...

  • You want a fragrant plant for your garden
  • You enjoy using lavender in aromatherapy or cooking
  • You have a sunny, well-drained outdoor space
  • You are an experienced gardener looking for a rewarding challenge
  • You appreciate the classic beauty of English Lavender.

❌ Skip This Plant If...

  • You have limited sunlight indoors
  • You are prone to overwatering plants
  • You have pets that might ingest the plant
  • You are a beginner gardener
  • You don't have time for regular pruning and maintenance.
📍 Ideal Location: Outdoors in a sunny garden bed or container. Indoors, a south-facing window with supplemental lighting.
🎨 Style: Traditional, Cottage, Mediterranean
🏠 Apartment Friendly: Limited
⚠️ According to the ASPCA, lavender contains linalool and linalyl acetate, which can be toxic to dogs, cats, and horses. Symptoms include nausea, vomiting, and lack of appetite. All parts of the plant are potentially toxic.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

☀️

Butterfly Weed needs full sun (at least 6 hours of direct sunlight daily), while English Lavender prefers full sun (at least 6-8 hours of direct sunlight per day).

💡 Pro Tips For Comparing These Plants

Butterfly Weed Care Tips

Butterfly Weed is primarily an outdoor plant that thrives in full sun and well-drained soil. It is very difficult to grow indoors due to its high light requirements and dormancy needs. Attempting to grow it indoors will likely result in a weak, leggy plant that does not flower well, if at all.

  • Ensure well-draining soil to prevent root rot.
  • Provide full sun for optimal flowering.
  • Deadhead spent flowers to encourage more blooms.
  • Monitor for aphids and other pests.
  • Avoid over-fertilizing, as this can reduce flowering.
❄️ Winter: Cut back stems to the ground in late fall or early spring. Provide a layer of mulch to protect the roots in colder climates. Minimal watering is required during dormancy.
☀️ Summer: Monitor for pests and diseases. Deadhead spent flowers to encourage continued blooming. Water deeply during dry spells.

English Lavender Care Tips

English Lavender is primarily an outdoor plant and requires full sun and well-drained soil. Growing it indoors is challenging due to its high light requirements. Supplemental lighting is often necessary. Overwatering is a common problem indoors. Regular pruning is essential to maintain shape and promote flowering.

  • Provide at least 6-8 hours of direct sunlight daily
  • Use well-draining soil to prevent root rot
  • Water thoroughly but infrequently, allowing the soil to dry out between waterings
  • Prune regularly to maintain shape and promote flowering
  • Avoid over-fertilizing, as lavender prefers lean soil.
❄️ Winter: In winter, reduce watering and protect from frost. If grown in containers, move to a sheltered location or provide insulation. Avoid overwatering, as lavender is more susceptible to root rot in cold, wet conditions.
☀️ Summer: In summer, ensure adequate sunlight and water during dry periods. Mulch around the base of the plant to help retain moisture and suppress weeds. Prune after flowering to encourage bushier growth.

⚠️ Common Problems & Solutions — Plant Care Comparison

Butterfly Weed

Common Issues: Aphids, Root rot, Powdery mildew, Lack of flowering
Solutions: Aphids: Insecticidal soap or neem oil. Root rot: Improve drainage, avoid overwatering. Powdery mildew: Improve air circulation, apply fungicide. Lack of flowering: Ensure adequate sunlight, avoid over-fertilizing.

English Lavender

Common Issues: Root rot, fungal diseases, lack of flowering, leggy growth
Solutions: Ensure well-draining soil and avoid overwatering. Provide good air circulation to prevent fungal diseases. Provide adequate sunlight or supplemental lighting to promote flowering. Prune regularly to maintain shape and prevent leggy growth.

❓ Frequently Asked Questions — Comparing These Plants

Butterfly Weed

What are the light requirements for Butterfly Weed?

Butterfly Weed requires at least six hours of direct sunlight daily to thrive and produce abundant blooms. A sunny location is crucial for its growth and flowering potential. Insufficient light can result in leggy growth, reduced blooming, and weaker stems. When planting, choose a spot that receives full sun throughout the day. If growing in containers, rotate the plant regularly to ensure even light exposure on all sides. In areas with intense summer heat, some afternoon shade may be beneficial to prevent scorching. Observe your plant and adjust its location if needed to ensure it receives adequate sunlight.

How do I care for Butterfly Weed?

Butterfly Weed thrives in full sun and well-drained soil. Water deeply but infrequently, allowing the soil to dry out between waterings. Fertilize sparingly, if at all, as excessive fertilization can reduce flowering. Deadhead spent flowers to encourage continued blooming. Prune back stems in late fall or early spring to promote bushier growth. Provide support if needed, especially in windy areas. Monitor for pests such as aphids and treat accordingly. Ensure good air circulation to prevent fungal diseases. Butterfly Weed is relatively drought-tolerant once established, but regular watering is important during the first year. Avoid overwatering, which can lead to root rot.

How do I propagate Butterfly Weed?

Butterfly Weed can be propagated by seed, division, or root cuttings. For seed propagation, sow seeds in the fall or stratify them in the refrigerator for 30-60 days before planting in the spring. Division is best done in early spring or late fall. Carefully dig up the plant and divide the root ball into smaller sections, ensuring each section has healthy roots and stems. Replant the divisions in well-drained soil. Root cuttings can be taken in late winter or early spring. Dig up a portion of the root system and cut it into 2-3 inch sections. Plant the cuttings horizontally in a well-draining potting mix and keep them moist until new growth appears.

English Lavender

What are the light requirements for English Lavender?

English Lavender requires at least six to eight hours of direct sunlight per day to thrive and produce abundant blooms. Insufficient light can result in leggy growth, reduced flowering, and weaker plants. When grown indoors, place Lavender near a south-facing window where it can receive the most intense sunlight. If natural light is limited, supplement with grow lights to ensure adequate illumination. Rotate the plant regularly to ensure even exposure to light on all sides. In hot climates, some afternoon shade may be beneficial to prevent scorching. Monitor the plant for signs of light stress, such as pale leaves or elongated stems, and adjust its placement accordingly.

How do I care for English Lavender?

English Lavender thrives in full sun and well-draining soil. Water deeply but infrequently, allowing the soil to dry out completely between waterings. Overwatering is a common cause of root rot. Fertilize sparingly, using a balanced fertilizer in the spring. Prune annually after flowering to maintain shape and encourage bushier growth. Provide good air circulation to prevent fungal diseases. Protect from frost in colder climates. Choose a pot with drainage holes and use a well-draining potting mix specifically formulated for Mediterranean plants. Regularly remove spent flowers to encourage further blooming. Monitor for pests such as aphids or spider mites and treat accordingly. Maintain moderate humidity levels. Provide 6-8 hours of direct sunlight daily for optimal growth and flowering.

How do I propagate English Lavender?

Lavender can be propagated through stem cuttings or division. For stem cuttings, take 4-6 inch cuttings from new growth in the spring or summer. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cuttings in a well-draining potting mix and keep them moist until rooted. Rooting typically takes 4-6 weeks. For division, carefully dig up the plant in the spring or fall and divide the root ball into smaller sections. Each section should have healthy roots and foliage. Replant the divisions in well-draining soil and water thoroughly. Ensure the new plants receive adequate sunlight and protection from frost. Lavender can also be propagated from seed, but it is a slower and less reliable method.

Last updated: May 1, 2026 — Plant care data reviewed and verified by our editorial team.