Lantana vs Sweet Pea Plant Comparison

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

Lantana

Lantana

Lantana camara

VS
Sweet Pea

Sweet Pea

Lathyrus odoratus

Lantana

Lantana

Lantana camara

Lantana camara is a sprawling shrub typically grown outdoors, known for its clusters of small, brightly colored flowers that bloom almost continuously in warm weather. The flower colors can vary within the same cluster, often displaying shades of yellow, orange, red, pink, and white. It is a vigorous grower and can become quite large if not pruned. While prized for its vibrant blooms and ability to attract pollinators, it is considered invasive in many regions due to its rapid spread and adaptability. It is primarily an outdoor plant and struggles indoors due to high light requirements.

Verbenaceae Tropical regions of the Americas and Africa
✨ Features: Attracts butterflies and hummingbirds, drought-tolerant once established
📖 Read Complete Lantana Guide
Sweet Pea

Sweet Pea

Lathyrus odoratus

Sweet peas are annual climbing plants, known for their beautiful, fragrant flowers. They are not naturally indoor plants and are typically grown outdoors in gardens. They feature delicate, papery petals in a wide range of colors, including pink, purple, red, white, and bi-colors. Sweet peas climb using tendrils, reaching heights of 1 to 2 meters. People grow them for their ornamental value, the delightful fragrance of their blooms, and their use as cut flowers.

Fabaceae Sicily, Cyprus, Southern Italy, and the Aegean Islands
✨ Features: Highly fragrant flowers, attractive to pollinators.
📖 Read Complete Sweet Pea Guide

Quick Plant Comparison

Feature Lantana Sweet Pea
Light Full sun (at least 6-8 hours of direct sunlight daily) Full sun (at least 6-8 hours of direct sunlight per day)
Watering Every 2-5 days outdoors depending on weather; less frequent indoors if attempted Every 2-3 days outdoors, depending on weather conditions. Less frequent if grown indoors.
Humidity 30-50% 40-60%
Temperature 18-30°C 13-18°C
Care Level Expert Expert
Growth Rate Fast Fast
Max Height 0.3-0.6m (indoors, unlikely to thrive), 0.6-2m (outdoors) 1-2 meters (outdoors). Significantly smaller if grown indoors.
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining potting mix or garden soil Well-draining, fertile soil rich in organic matter. A mix of garden soil, compost, and perlite is suitable.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15-30 minutes weekly (including watering, pruning, and pest control) 30 minutes weekly

🔬 Botanical Information — Comparing These Plants

Lantana

Scientific Name Lantana camara
Family Verbenaceae
Native To Tropical regions of the Americas and Africa
Also Known As Lantana, Shrub Verbena, Yellow Sage, Red Sage
Leaves The leaves are ovate to lance-shaped, about 2-5 cm long, with a rough, textured surface. They are typically dark green and have a strong, pungent odor when crushed. The leaf margins are serrated.
Flowers Lantana produces clusters of small, tubular flowers in a variety of colors, including yellow, orange, red, pink, and white. The flowers bloom almost continuously in warm weather. It is unlikely to flower indoors without very intense light.

Sweet Pea

Scientific Name Lathyrus odoratus
Family Fabaceae
Native To Sicily, Cyprus, Southern Italy, and the Aegean Islands
Also Known As Sweet Pea
Leaves The leaves are ovate to lanceolate, with a bluish-green color. They are arranged alternately along the stem and have prominent veins. The plant also produces tendrils that aid in climbing.
Flowers Sweet peas produce fragrant, papery flowers in a wide range of colors, including pink, purple, red, white, and bi-colors. They bloom profusely outdoors during the summer months. Flowering is rare and limited indoors.

📏 Size & Growth — Plant Comparison

Lantana

Height 0.3-0.6m (indoors, unlikely to thrive), 0.6-2m (outdoors)
Spread 0.3-0.6m (indoors, unlikely to thrive), 0.6-3m (outdoors)
Growth Rate Fast
Growth Pattern Lantana grows as a sprawling shrub, often wider than it is tall. It can spread rapidly and become quite dense if not pruned regularly. It can also be trained as a standard (tree-like form) with proper pruning.

Sweet Pea

Height 1-2 meters (outdoors). Significantly smaller if grown indoors.
Spread 30-60 cm
Growth Rate Fast
Growth Pattern Sweet peas are climbing annuals that use tendrils to attach to supports. They grow vertically, reaching heights of 1 to 2 meters outdoors. Indoors, growth is typically more constrained.

🌱 Propagation — Comparing Plant Growth

Lantana

Methods: Stem cuttings, Seed

Difficulty: Easy

Tips: Take stem cuttings in spring or summer. Dip the cut end in rooting hormone and plant in moist potting mix. Keep the soil consistently moist until roots develop. Seeds can be sown in spring after soaking them in water for 24 hours.

Sweet Pea

Methods: Seed

Difficulty: Easy

Tips: Soak seeds in water for 24 hours before sowing to improve germination. Sow directly into the ground or in pots in early spring.

✨ Benefits & Features — Comparing Plant Value

Lantana

Lantana's flowers change color as they mature, creating a multi-colored effect within the same flower cluster. It is also known for its ability to attract a wide variety of pollinators, making it a valuable addition to any garden. Its drought tolerance makes it suitable for xeriscaping.

  • ✓ Attracts pollinators, enhancing garden biodiversity.
  • ✓ Provides vibrant colors to the landscape.
  • ✓ Drought-tolerant, reducing water consumption.
  • ✓ Long blooming season, offering extended visual appeal.
  • ✓ Can be used in containers or as a ground cover.
  • ⚠️ Toxic to pets

Sweet Pea

Sweet peas are known for their intense fragrance and wide range of colors. Their climbing habit and delicate petals make them a popular choice for cottage gardens and cut flower arrangements.

  • ✓ Beautiful and fragrant flowers
  • ✓ Attracts pollinators to the garden
  • ✓ Provides cut flowers for bouquets
  • ✓ Adds a touch of romance to the garden
  • ✓ Can be grown in a variety of colors
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Lantana

Repotting Not applicable for outdoor plants; if grown in containers, repot every 1-2 years in spring.
Pruning Prune regularly to maintain shape and size. Deadhead spent flowers to encourage more blooms. Prune heavily in early spring to promote new growth.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, every 4-6 weeks during the growing season (spring and summer)
Seasonal Care In winter, reduce watering and protect from frost. In summer, water more frequently and fertilize regularly. Prune in early spring to encourage new growth.

Sweet Pea

Repotting Not applicable as it's an annual. If grown indoors, repotting may be needed if the container is too small.
Pruning Pinch off the tips of young plants to encourage bushier growth. Deadhead spent flowers to promote continued blooming.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, every 2-3 weeks during the growing season.
Seasonal Care In spring, sow seeds and provide support for climbing. In summer, water regularly and fertilize. In fall, collect seeds for next year. In winter, the plant dies back as it is an annual.

🌞 Light Requirements

Lantana

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

Low light tolerant: ❌ No

Sweet Pea

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

Low light tolerant: ❌ No

💧 Watering Needs

Lantana

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Allow the soil to dry slightly between waterings. Signs of underwatering include wilting leaves and dry soil. Signs of overwatering include yellowing leaves and soggy soil.

Sweet Pea

Water deeply when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Ensure good drainage. Underwatering will cause wilting and reduced flowering.

🌡️ Temperature & Humidity

Lantana

Temperature: 18-30°C

Humidity: 30-50%

Sweet Pea

Temperature: 13-18°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Lantana

Lantana

Lantana camara
Care: Expert Time: 15-30 minutes weekly (including watering, pruning, and pest control) Beginner: No

Gardeners in warm climates looking for a vibrant, pollinator-attracting shrub for outdoor landscapes.

✅ Choose This Plant If...

  • You want to attract butterflies and hummingbirds to your garden.
  • You live in a warm climate with plenty of sunshine.
  • You are looking for a drought-tolerant plant.
  • You want a long-blooming plant with vibrant colors.
  • You are experienced with managing potentially invasive species.

❌ Skip This Plant If...

  • You have pets or small children who might ingest the plant.
  • You live in a region where Lantana is considered an invasive species.
  • You do not have a sunny outdoor space.
  • You are looking for a low-maintenance indoor plant.
📍 Ideal Location: Sunny outdoor garden or patio
🎨 Style: Tropical, Cottage, Mediterranean
🏠 Apartment Friendly: No
⚠️ All parts of the plant, especially the unripe berries, are toxic to dogs, cats, and horses. Symptoms include weakness, vomiting, diarrhea, liver failure, and photosensitization.
Sweet Pea

Sweet Pea

Lathyrus odoratus
Care: Expert Time: 30 minutes weekly Beginner: No

Experienced gardeners who want to grow fragrant flowers outdoors.

✅ Choose This Plant If...

  • You love fragrant flowers and have a sunny outdoor garden.
  • You enjoy growing cut flowers for bouquets.
  • You want to attract pollinators to your garden.
  • You are an experienced gardener looking for a rewarding challenge.
  • You appreciate the wide variety of colors and forms available in sweet pea cultivars.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You lack a sunny outdoor space.
  • You are a beginner gardener looking for an easy-to-grow plant.
📍 Ideal Location: Sunny garden or balcony with support for climbing.
🎨 Style: Cottage, Romantic, Traditional
🏠 Apartment Friendly: Limited
⚠️ All parts of the sweet pea plant, especially the seeds, are toxic to dogs, cats, and horses. Symptoms include weakness, tremors, and seizures. Consult a veterinarian immediately if ingestion is suspected.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

☀️

Lantana needs full sun (at least 6-8 hours of direct sunlight daily), while Sweet Pea prefers full sun (at least 6-8 hours of direct sunlight per day).

💡 Pro Tips For Comparing These Plants

Lantana Care Tips

Lantana is primarily an outdoor plant that requires full sun and well-draining soil. It is difficult to grow indoors due to its high light requirements. It is toxic to pets, requiring caution. Regular pruning is necessary to control its growth. Indoor attempts often fail due to insufficient light.

  • Provide at least 6-8 hours of direct sunlight daily.
  • Water deeply but infrequently, allowing the soil to dry slightly between waterings.
  • Fertilize regularly during the growing season with a balanced fertilizer.
  • Prune regularly to maintain shape and encourage blooming.
  • Monitor for pests and diseases, and treat promptly.
❄️ Winter: In colder climates, Lantana can be grown as an annual or brought indoors for the winter, although it may not thrive. Reduce watering and provide as much light as possible. Protect from frost.
☀️ Summer: Water more frequently during the summer months, especially during hot, dry spells. Fertilize regularly to encourage blooming. Monitor for pests and diseases, and treat promptly.

Sweet Pea Care Tips

Sweet peas are challenging to grow indoors due to their high light requirements and need for cool temperatures. They require consistent watering, fertilization, and support for climbing. Without ideal conditions, flowering will be limited.

  • Soak seeds overnight before planting to improve germination.
  • Provide a sturdy trellis or support for climbing.
  • Deadhead spent flowers regularly to encourage more blooms.
  • Fertilize every 2-3 weeks during the growing season.
  • Protect from strong winds.
❄️ Winter: As an annual, the plant will die back in winter. Collect seeds for planting the following spring.
☀️ Summer: Provide regular watering and fertilization during the growing season. Protect from intense afternoon sun in hot climates. Deadhead spent flowers to encourage continued blooming.

⚠️ Common Problems & Solutions — Plant Care Comparison

Lantana

Common Issues: Whiteflies, spider mites, powdery mildew, root rot
Solutions: Treat whiteflies and spider mites with insecticidal soap or neem oil. Improve air circulation to prevent powdery mildew. Ensure well-draining soil and avoid overwatering to prevent root rot.

Sweet Pea

Common Issues: Powdery mildew, aphids, lack of flowering, root rot
Solutions: Powdery mildew: Improve air circulation and apply a fungicide. Aphids: Spray with insecticidal soap. Lack of flowering: Ensure adequate sunlight and fertilization. Root rot: Improve drainage and reduce watering frequency.

❓ Frequently Asked Questions — Comparing These Plants

Lantana

What are the light requirements for Lantana?

Lantana requires abundant sunlight to thrive and produce its characteristic vibrant blooms. Ideally, it should receive at least 6-8 hours of direct sunlight each day. Insufficient light can result in leggy growth, reduced flowering, and dull foliage. When grown indoors, place Lantana near a south-facing window where it can receive maximum light exposure. If natural light is limited, supplement with artificial grow lights. Rotate the plant regularly to ensure even light distribution and prevent it from leaning towards the light source. In outdoor settings, choose a location that is fully exposed to the sun for most of the day. Avoid planting Lantana in shady areas or under trees, as this will hinder its growth and flowering potential.

How do I care for Lantana?

Lantana thrives in full sun, requiring at least 6-8 hours of direct sunlight per day. Water thoroughly when the top inch of soil feels dry, allowing excess water to drain away. Avoid overwatering, as this can lead to root rot. Fertilize monthly during the growing season (spring-fall) with a balanced fertilizer formulated for flowering plants, following package instructions. Prune regularly to encourage bushier growth and more abundant blooms, removing spent flowers and any dead or diseased branches. Lantana prefers well-draining soil with a slightly acidic to neutral pH. Provide good air circulation to prevent fungal diseases. Protect from frost in colder climates, either by bringing potted plants indoors or covering them with frost blankets. Monitor for pests such as aphids and whiteflies, and treat promptly with insecticidal soap or neem oil.

How do I propagate Lantana?

Lantana can be easily propagated through stem cuttings. Take a 4-6 inch cutting from a healthy stem, removing the lower leaves. Dip the cut end in rooting hormone and plant in a well-draining potting mix. Keep the soil moist and place the cutting in a warm, bright location. Roots should develop within a few weeks. Division is possible for established plants. Carefully dig up the plant and separate the root ball into smaller sections, each with healthy roots and stems. Replant the divisions in separate pots or in the ground. Keiki propagation is not applicable to Lantana.

Sweet Pea

What are the light requirements for Sweet Pea?

Sweet Peas require at least 6-8 hours of direct sunlight per day to thrive and produce abundant blooms. A south-facing location is ideal, especially in cooler climates. If growing indoors, place your Sweet Peas near a sunny window or use grow lights to supplement natural light. Insufficient light can lead to leggy growth, fewer flowers, and pale foliage. Rotate the plants regularly to ensure even light exposure. In hot climates, provide some afternoon shade to prevent scorching. Monitor the leaves for signs of sunburn, such as brown spots, and adjust the plant’s position accordingly. Good air circulation is also important to prevent fungal diseases that can be exacerbated by inadequate light.

How do I care for Sweet Pea?

Sweet Peas thrive in full sun and well-drained soil. Sow seeds directly into the ground in early spring or late fall, depending on your climate. Soaking the seeds overnight can improve germination. Provide a sturdy support system, such as a trellis or netting, for the vines to climb. Water regularly, especially during dry periods, and fertilize every 2-3 weeks with a balanced fertilizer to encourage abundant blooming. Deadhead spent flowers to promote continued flowering. Protect plants from pests like aphids and slugs. Ensure good air circulation to prevent fungal diseases. Sweet Peas prefer cooler temperatures, so provide shade during the hottest part of the day in warmer climates. Monitor for signs of powdery mildew and treat promptly. Proper staking and pruning are crucial for healthy growth and prolific blooms.

How do I propagate Sweet Pea?

Sweet Peas are primarily propagated by seed.

Last updated: April 26, 2026 — Plant care data reviewed and verified by our editorial team.