Paper Plant vs Sweet Pea Plant Comparison

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

Paper Plant

Paper Plant

Tetrapanax papyrifer

VS
Sweet Pea

Sweet Pea

Lathyrus odoratus

Paper Plant

Paper Plant

Tetrapanax papyrifer

Tetrapanax papyrifer, the Paper Plant, is a large, fast-growing shrub or small tree typically grown outdoors. It features enormous, deeply lobed palmate leaves that can reach up to 3 feet across, giving it a bold, tropical appearance. The plant produces clusters of small, creamy-white flowers in late autumn or early winter, followed by dark berries. It is primarily cultivated for its striking foliage and architectural form. While sometimes grown indoors, it requires very bright light and ample space to thrive, making it challenging for most indoor environments. The pith of the stems was historically used to make rice paper.

Araliaceae Taiwan
✨ Features: Large, dramatic foliage; architectural form.
📖 Read Complete Paper Plant 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 Paper Plant Sweet Pea
Light Full sun to partial shade outdoors; very bright, direct light if attempted indoors. Full sun (at least 6-8 hours of direct sunlight per day)
Watering Every 5-7 days during the growing season, less frequently in winter. Every 2-3 days outdoors, depending on weather conditions. Less frequent if grown indoors.
Humidity 30-60% 40-60%
Temperature 15-27°C 13-18°C
Care Level Expert Expert
Growth Rate Fast Fast
Max Height 2-3m indoors (challenging to achieve), 4-6m outdoors 1-2 meters (outdoors). Significantly smaller if grown indoors.
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining, fertile soil. A mix of potting soil, perlite, and compost is suitable. Well-draining, fertile soil rich in organic matter. A mix of garden soil, compost, and perlite is suitable.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes weekly 30 minutes weekly

🔬 Botanical Information — Comparing These Plants

Paper Plant

Scientific Name Tetrapanax papyrifer
Family Araliaceae
Native To Taiwan
Also Known As Paper Plant, Rice Paper Plant
Leaves The leaves are palmate, deeply lobed, and can reach up to 3 feet across. They are typically a vibrant green color and have a slightly rough texture.
Flowers It produces clusters of small, creamy-white flowers in late autumn or early winter. Flowering is less common indoors.

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

Paper Plant

Height 2-3m indoors (challenging to achieve), 4-6m outdoors
Spread 1-2m indoors, 2-4m outdoors. Spreads via rhizomes.
Growth Rate Fast
Growth Pattern It grows as a large, upright shrub or small tree. It spreads via rhizomes, potentially forming colonies over time.

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

Paper Plant

Methods: Stem cuttings, Root cuttings, Division, Seed

Difficulty: Easy

Tips: Take stem cuttings in spring or summer. Root cuttings can be taken in late winter. Division of rhizomes is also effective. Ensure cuttings have nodes and provide warmth and humidity.

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

Paper Plant

The Paper Plant is unique due to its enormous, deeply lobed leaves, which create a dramatic and tropical appearance. Its historical use in making rice paper adds to its intrigue.

  • ✓ Provides a dramatic focal point in the garden
  • ✓ Offers a tropical aesthetic
  • ✓ Creates shade and visual interest
  • ✓ Can be used to create a privacy screen
  • ✓ Provides a unique texture and form.
  • ⚠️ 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

Paper Plant

Repotting Annually in spring if grown in a container, especially if rhizomatous spread is evident.
Pruning Prune regularly to maintain shape and control size. Remove dead or damaged leaves.
Fertilizing Balanced liquid fertilizer diluted to half strength every 2-4 weeks during the growing season.
Seasonal Care Reduce watering in winter. Protect from frost in colder climates. Provide ample sunlight during the growing season.

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

Paper Plant

Full sun to partial shade outdoors; very bright, direct light if attempted indoors.

Low light tolerant: ❌ No

Sweet Pea

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

Low light tolerant: ❌ No

💧 Watering Needs

Paper Plant

Water thoroughly when the top inch of soil is dry during the growing season. Reduce watering in winter. Overwatering can lead to root rot, especially indoors. Underwatering will cause leaves to droop and brown.

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

Paper Plant

Temperature: 15-27°C

Humidity: 30-60%

Sweet Pea

Temperature: 13-18°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Paper Plant

Paper Plant

Tetrapanax papyrifer
Care: Expert Time: 30 minutes weekly Beginner: No

Experienced gardeners with ample outdoor space who appreciate bold foliage.

✅ Choose This Plant If...

  • You want a bold, tropical look in your garden
  • You have ample outdoor space and full sun
  • You enjoy propagating plants from cuttings
  • You are an experienced gardener looking for a statement plant
  • You appreciate plants with unique textures and forms.

❌ Skip This Plant If...

  • You have limited indoor space
  • You cannot provide very bright, direct light
  • You have pets that might ingest the plant
  • You are a beginner gardener
  • You live in a climate with harsh winters.
📍 Ideal Location: Outdoors in a garden or large container; if indoors, a sunroom or near a large, south-facing window.
🎨 Style: Tropical, Bohemian, Architectural
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Tetrapanax papyrifer is toxic to dogs, cats, and horses. The toxic principle is unknown. Symptoms include oral irritation, intense burning and irritation of the mouth, tongue and lips, excessive drooling, vomiting, and difficulty swallowing.
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

🌿

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

Paper Plant Care Tips

Paper Plant is best suited for outdoor cultivation. Indoor growing is challenging due to its high light requirements and large size. It needs very bright light, well-draining soil, and regular watering during the growing season. Pruning is necessary to maintain shape and control size. Be aware of its toxicity to pets.

  • Provide ample sunlight for optimal growth.
  • Ensure well-draining soil to prevent root rot.
  • Water regularly during the growing season, but reduce watering in winter.
  • Fertilize every 2-4 weeks during the growing season.
  • Prune regularly to maintain shape and control size.
❄️ Winter: Reduce watering in winter. Protect from frost if grown outdoors in colder climates. Provide as much light as possible.
☀️ Summer: Water more frequently during the summer growing season. Provide some shade during the hottest part of the day if grown in full sun.

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

Paper Plant

Common Issues: Spider mites, Aphids, Root rot, Insufficient light
Solutions: Treat spider mites and aphids with insecticidal soap or neem oil. Prevent root rot by ensuring well-draining soil and avoiding overwatering. Provide supplemental lighting if natural light is insufficient.

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

Paper Plant

What are the light requirements for Paper Plant?

Paper Plant needs bright, indirect light to thrive. Insufficient light can lead to leggy growth and pale foliage. While it can tolerate some direct morning sun, avoid intense afternoon sun, which can scorch the leaves. A location near an east-facing window is ideal. If using artificial lighting, provide 12-14 hours of light per day with a full-spectrum grow light. Rotate the plant regularly to ensure even light exposure on all sides. If the plant is in a pond, ensure it receives adequate sunlight but is also partially shaded during the hottest part of the day.

How do I care for Paper Plant?

Paper Plant thrives in consistently moist to wet conditions. Ideally, keep the base of the plant submerged in water or in very wet soil. Provide bright, indirect light for optimal growth. Direct sunlight can scorch the leaves. Maintain a water temperature between 65-80°F (18-27°C). Fertilize every 2-4 weeks during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength, specific for aquatic plants. Prune regularly to remove any dead or yellowing foliage. Repot annually in spring to refresh the growing medium. Monitor for pests like aphids or spider mites, and treat promptly if detected. Ensure good water circulation to prevent algae growth and maintain water clarity.

How do I propagate Paper Plant?

Paper Plant can be easily propagated through division or cuttings.

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