Lemon Verbena vs Speedwell Plant Comparison

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

Lemon Verbena

Lemon Verbena

Aloysia citriodora

VS
Speedwell

Speedwell

Veronica spp.

Lemon Verbena

Lemon Verbena

Aloysia citriodora

Lemon Verbena is a deciduous shrub known for its intensely lemon-scented leaves. It typically grows outdoors to a height of 3-7 feet. The plant features lance-shaped, light green leaves that release a strong citrus aroma when bruised. While it can be grown indoors, it requires very bright light and consistent care to thrive. People grow it for its fragrant leaves, which are used in teas, desserts, and potpourri. It is not naturally an indoor plant and will struggle without proper conditions.

Verbenaceae South America (Argentina, Chile, Uruguay, Paraguay, Brazil)
✨ Features: Intense lemon fragrance, used in culinary and aromatherapy applications.
📖 Read Complete Lemon Verbena Guide
Speedwell

Speedwell

Veronica spp.

Speedwell encompasses a diverse genus of flowering plants, primarily herbaceous perennials, though some are annuals or shrubs. They exhibit a range of growth habits, from creeping groundcovers to upright forms. The flowers are typically small and blue, but can also be pink, white, or purple, arranged in spikes or racemes. Speedwell is primarily grown outdoors in gardens and meadows for its attractive flowers and ability to attract pollinators. While some species are relatively adaptable, they generally require specific outdoor conditions that are difficult to replicate indoors.

Plantaginaceae Europe, Asia, North Africa, North America
✨ Features: Attracts pollinators (bees, butterflies), deer-resistant (in some cases), long blooming period.
📖 Read Complete Speedwell Guide

Quick Plant Comparison

Feature Lemon Verbena Speedwell
Light Full sun (at least 6-8 hours of direct sunlight daily) Full sun to partial shade
Watering Every 3-7 days depending on environmental conditions and pot size. Check soil moisture regularly. Every 3-7 days, depending on weather and soil drainage
Humidity 40-60% 40-60%
Temperature 18-27°C 15-24°C
Care Level Expert Expert
Growth Rate Moderate Moderate To Fast, Some Species Can Be Aggressive Spreaders
Max Height 1-3 feet indoors (significantly smaller than outdoor growth) 10-90 cm (outdoor)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining potting mix; a blend of potting soil, perlite, and sand is suitable. Well-draining, loamy soil
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes weekly 15 minutes weekly (outdoor)

🔬 Botanical Information — Comparing These Plants

Lemon Verbena

Scientific Name Aloysia citriodora
Family Verbenaceae
Native To South America (Argentina, Chile, Uruguay, Paraguay, Brazil)
Also Known As Lemon Verbena, Herb Louisa
Leaves The leaves are lance-shaped, about 2-4 inches long, and light green in color. They are slightly rough in texture and release a strong lemon scent when crushed or bruised. The leaves are arranged in whorls of three on the stems.
Flowers Lemon Verbena can flower in late summer with small, white or pale lilac flowers. However, it rarely flowers indoors, especially if light conditions are not ideal.

Speedwell

Scientific Name Veronica spp.
Family Plantaginaceae
Native To Europe, Asia, North Africa, North America
Also Known As Speedwell, Gypsyweed, Bird's Eye
Leaves Leaves are typically small, oval or lance-shaped, and arranged oppositely or alternately along the stem. The color is usually green, but some varieties have variegated foliage.
Flowers Speedwell flowers outdoors in spring and summer. The flowers are small and typically blue, but can also be pink, white, or purple. They are arranged in spikes or racemes.

📏 Size & Growth — Plant Comparison

Lemon Verbena

Height 1-3 feet indoors (significantly smaller than outdoor growth)
Spread 1-2 feet indoors
Growth Rate Moderate
Growth Pattern Lemon Verbena grows as an upright, bushy shrub. Outdoors, it can reach several feet in height. Indoors, it tends to be smaller and more compact, but still maintains an upright growth habit.

Speedwell

Height 10-90 cm (outdoor)
Spread 15-60 cm (outdoor), spreads via rhizomes in some species
Growth Rate Moderate To Fast, Some Species Can Be Aggressive Spreaders
Growth Pattern Varies depending on the species. Some are creeping groundcovers, while others are upright and bushy. Some species spread via rhizomes, forming dense mats.

🌱 Propagation — Comparing Plant Growth

Lemon Verbena

Methods: Stem cuttings

Difficulty: Moderate

Tips: Take 4-6 inch stem cuttings in spring or summer. Remove the lower leaves and dip the cut end in rooting hormone. Plant in moist potting mix and keep humid until roots develop.

Speedwell

Methods: Stem cuttings, Division, Seed

Difficulty: Easy To Moderate

Tips: For stem cuttings, take cuttings in spring or summer and root them in water or moist soil. Division is best done in spring or fall. Sow seeds in spring after the last frost.

✨ Benefits & Features — Comparing Plant Value

Lemon Verbena

The most unique characteristic is its intense lemon fragrance, which is stronger than many other lemon-scented herbs. It is also a deciduous shrub, losing its leaves in colder temperatures, unlike many evergreen herbs.

  • ✓ The leaves can be used to make a calming herbal tea.
  • ✓ The strong lemon scent can be uplifting and refreshing.
  • ✓ It can be used to add a citrus flavor to dishes.
  • ✓ It adds a fragrant element to your garden or home.
  • ✓ It can be used in potpourri and other crafts.
  • ⚠️ Toxic to pets

Speedwell

Speedwell is known for its long blooming period and ability to attract pollinators. The flowers come in a variety of colors, and the plant is relatively low-maintenance. Some species spread aggressively, making them useful as groundcovers.

  • ✓ Attracts pollinators
  • ✓ Provides long-lasting color in the garden
  • ✓ Deer-resistant
  • ✓ Relatively low-maintenance
  • ✓ Can be used as a groundcover
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Lemon Verbena

Repotting Repot every 1-2 years in spring, or when the plant becomes root-bound.
Pruning Prune regularly to maintain shape and encourage bushier growth. Prune after flowering to promote new growth.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, every 2-4 weeks during the growing season (spring and summer).
Seasonal Care In winter, reduce watering and allow the plant to enter a semi-dormant state. Provide as much light as possible. In summer, increase watering and fertilizing to support growth.

Speedwell

Repotting Not applicable for indoor growing, but if grown in containers outdoors, repot every 2-3 years or as needed.
Pruning Deadhead spent flowers to encourage continued blooming. Prune back in late fall or early spring to maintain shape and size.
Fertilizing Balanced fertilizer (10-10-10) diluted to half strength, applied in spring and early summer
Seasonal Care In spring, fertilize and prune back dead growth. In summer, water regularly and deadhead spent flowers. In fall, divide plants if needed. In winter, provide mulch for protection in colder climates.

🌞 Light Requirements

Lemon Verbena

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

Low light tolerant: ❌ No

Speedwell

Full sun to partial shade

Low light tolerant: ❌ No

💧 Watering Needs

Lemon Verbena

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Signs of underwatering include wilting leaves. Signs of overwatering include yellowing leaves and a musty smell from the soil.

Speedwell

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Speedwell prefers consistently moist, but not soggy, soil. In hotter weather, more frequent watering may be necessary. Reduce watering during dormancy.

🌡️ Temperature & Humidity

Lemon Verbena

Temperature: 18-27°C

Humidity: 40-60%

Speedwell

Temperature: 15-24°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Lemon Verbena

Lemon Verbena

Aloysia citriodora
Care: Expert Time: 30 minutes weekly Beginner: No

Experienced gardeners who can provide the necessary sunlight and care to maintain a healthy lemon verbena plant indoors or outdoors.

✅ Choose This Plant If...

  • You love the intense lemon scent and want to use the leaves in teas or cooking.
  • You have a very sunny location, either outdoors or a south-facing window with supplemental light.
  • You enjoy a challenge and are willing to provide the specific care this plant needs.
  • You want a fragrant addition to your herb garden.
  • You are looking for a plant with culinary and aromatherapy uses.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You cannot provide at least 6-8 hours of direct sunlight daily.
  • You are a beginner gardener looking for an easy-care plant.
📍 Ideal Location: South-facing window with supplemental lighting or a sunny outdoor patio.
🎨 Style: Cottage, Herb Garden, Traditional
🏠 Apartment Friendly: Limited
⚠️ According to the ASPCA, Lemon Verbena is toxic to dogs, cats, and horses. Symptoms include dermatitis (skin irritation) and photosensitivity.
Speedwell

Speedwell

Veronica spp.
Care: Expert Time: 15 minutes weekly (outdoor) Beginner: No

Outdoor gardeners looking for a low-maintenance, flowering groundcover or border plant that attracts pollinators.

✅ Choose This Plant If...

  • You want a low-maintenance perennial for your garden.
  • You want to attract pollinators to your yard.
  • You need a deer-resistant plant.
  • You want a long-blooming flower.
  • You want a plant with a variety of colors and growth habits.

❌ Skip This Plant If...

  • You are looking for an indoor plant.
  • You have pets that might ingest it.
  • You have limited sunlight in your garden.
📍 Ideal Location: Outdoor garden bed or border with full sun exposure.
🎨 Style: Cottage, Naturalistic, Meadow
🏠 Apartment Friendly: No
⚠️ Some species of Veronica contain glycosides that can cause mild gastrointestinal upset in dogs, cats, and horses if ingested. Symptoms may include vomiting, diarrhea, and loss 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

☀️

Lemon Verbena needs full sun (at least 6-8 hours of direct sunlight daily), while Speedwell prefers full sun to partial shade.

📈

Lemon Verbena has moderate growth, while Speedwell grows moderate to fast, some species can be aggressive spreaders.

💡 Pro Tips For Comparing These Plants

Lemon Verbena Care Tips

Lemon Verbena is primarily an outdoor plant and requires significant sunlight to thrive indoors. It needs well-draining soil, regular watering, and fertilization. Indoor plants often struggle with insufficient light and humidity, making it a challenging houseplant.

  • Provide adequate sunlight – this is crucial for indoor growth.
  • Water deeply but allow the soil to dry slightly between waterings.
  • Fertilize regularly during the growing season to promote healthy growth.
  • Prune regularly to maintain shape and encourage bushier growth.
  • Monitor for pests and diseases and treat promptly.
❄️ Winter: Reduce watering significantly during the winter months. Provide as much light as possible, even if it means using supplemental lighting. The plant may lose some or all of its leaves during dormancy.
☀️ Summer: Increase watering and fertilizing during the summer growing season. Protect the plant from intense afternoon sun if grown outdoors in very hot climates. Prune regularly to encourage bushier growth.

Speedwell Care Tips

Speedwell is primarily an outdoor plant and is challenging to grow indoors due to its high light requirements and need for specific temperature and humidity conditions. It requires full sun and well-draining soil. Indoor cultivation is not recommended.

  • Provide well-draining soil to prevent root rot.
  • Deadhead spent flowers regularly to encourage more blooms.
  • Fertilize in spring with a balanced fertilizer.
  • Divide plants every few years to prevent overcrowding.
  • Monitor for pests and diseases and treat promptly.
❄️ Winter: In colder climates, provide mulch around the base of the plant to protect the roots from freezing. Reduce watering during dormancy. Prune back dead growth in late fall or early spring.
☀️ Summer: Water regularly during hot weather. Deadhead spent flowers to encourage continued blooming. Monitor for pests and diseases.

⚠️ Common Problems & Solutions — Plant Care Comparison

Lemon Verbena

Common Issues: Spider mites, whiteflies, powdery mildew, root rot
Solutions: Spider mites/whiteflies: Insecticidal soap or neem oil. Powdery mildew: Improve air circulation and use a fungicide. Root rot: Ensure well-draining soil and avoid overwatering.

Speedwell

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

❓ Frequently Asked Questions — Comparing These Plants

Lemon Verbena

What are the light requirements for Lemon Verbena?

Lemon Verbena thrives in full sun, requiring at least 6 to 8 hours of direct sunlight each day to promote healthy growth and abundant blooming. Insufficient light can lead to leggy growth, reduced flowering, and pale leaves. In hot climates, some afternoon shade may be beneficial to prevent leaf scorch.

How do I care for Lemon Verbena?

Lemon Verbena requires full sun (at least 6-8 hours daily) and well-draining soil. Water thoroughly when the top inch of soil feels dry, ensuring good drainage to prevent root rot. Fertilize regularly during the growing season (spring and summer) with a balanced liquid fertilizer, diluted to half strength, to encourage blooming.

How do I propagate Lemon Verbena?

Lemon Verbena can be propagated easily from stem cuttings. Take 4-6 inch cuttings from new growth in the spring or early 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. Cover with a plastic bag or humidity dome to maintain high humidity.

Speedwell

What are the light requirements for Speedwell?

Speedwell flourishes in full sun, requiring at least six hours of direct sunlight each day for optimal growth and abundant blooming. While it can tolerate some partial shade, especially in hotter climates, insufficient light can lead to leggy growth and reduced flowering. When planting Speedwell, choose a location that receives ample sunlight throughout the day. If growing indoors, place the plant near a sunny window, ideally facing south or east. Rotate the plant regularly to ensure even light exposure on all sides. In areas with intense afternoon sun, providing some light shade during the hottest part of the day can prevent leaf scorch.

How do I care for Speedwell?

Speedwell thrives in well-draining soil and requires regular watering, especially during dry periods. Aim to keep the soil consistently moist, but avoid overwatering, which can lead to root rot. Provide Speedwell with at least six hours of sunlight daily for optimal blooming. In hotter climates, some afternoon shade can be beneficial. Fertilize your Speedwell every 4-6 weeks during the growing season with a balanced fertilizer to promote healthy growth and abundant blooms. Deadhead spent flowers regularly to encourage continuous flowering. Prune back the plant in late fall or early spring to maintain its shape and promote bushier growth. Protect Speedwell from extreme cold and frost in colder climates. Monitor for pests and diseases, and treat promptly if necessary.

How do I propagate Speedwell?

Speedwell can be propagated through division, stem cuttings, and seeds.

Last updated: May 15, 2026 — Plant care data reviewed and verified by our editorial team.