Flowering Tobacco vs Wallflower Plant Comparison

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

Flowering Tobacco

Flowering Tobacco

Nicotiana alata

VS
Wallflower

Wallflower

Erysimum cheiri

Flowering Tobacco

Flowering Tobacco

Nicotiana alata

Nicotiana alata, commonly known as flowering tobacco, is a tender perennial often grown as an annual. It features a basal rosette of large, oval leaves from which tall, slender stalks emerge, bearing clusters of fragrant, trumpet-shaped flowers. The flowers are typically white, but cultivars offer colors like pink, red, and lime green. It's primarily grown outdoors for its evening fragrance and attractive blooms, adding height and elegance to gardens. While it can be brought indoors, it requires very bright light and may not thrive long-term.

Solanaceae South America (Argentina, Bolivia)
✨ Features: Strong, sweet fragrance, especially at night; attracts hummingbirds and moths.
📖 Read Complete Flowering Tobacco Guide
Wallflower

Wallflower

Erysimum cheiri

Wallflower (Erysimum cheiri) is a short-lived perennial or biennial often grown as an annual. It's known for its vibrant, fragrant flowers that bloom in spring and early summer. The plant typically reaches a height of 12-30 inches. The flowers come in a range of colors, including yellow, orange, red, purple, and brown. Wallflowers are primarily outdoor plants, valued for adding color and fragrance to gardens, borders, and rockeries. While some attempt to grow them indoors, they often struggle due to insufficient light and humidity.

Brassicaceae Southern Europe
✨ Features: Fragrant flowers, attracts pollinators
📖 Read Complete Wallflower Guide

Quick Plant Comparison

Feature Flowering Tobacco Wallflower
Light Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal flowering. Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal flowering.
Watering Every 2-5 days outdoors, every 7-10 days indoors, depending on conditions. Every 7-10 days, depending on weather and soil drainage.
Humidity 40-60% 30-50%
Temperature 18-24°C 10-21°C
Care Level Expert Expert
Growth Rate Moderate Moderate
Max Height 0.6-1.5 meters (outdoors), 0.3-0.6 meters (indoors) 30-75 cm (outdoors)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining potting mix or garden soil enriched with compost. Well-draining, fertile soil. A mix of garden soil, compost, and perlite is suitable.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15 minutes weekly 15 minutes weekly

🔬 Botanical Information — Comparing These Plants

Flowering Tobacco

Scientific Name Nicotiana alata
Family Solanaceae
Native To South America (Argentina, Bolivia)
Also Known As Flowering Tobacco, Jasmine Tobacco, Sweet Tobacco
Leaves Large, oval to lance-shaped leaves, typically 10-25 cm long, with a slightly sticky texture. The leaves are usually a medium green color.
Flowers Flowers readily outdoors. Indoors, flowering is less reliable and requires very bright light. The flowers are trumpet-shaped, about 5-10 cm long, and come in various colors, including white, pink, red, and lime green. They are highly fragrant, especially in the evening.

Wallflower

Scientific Name Erysimum cheiri
Family Brassicaceae
Native To Southern Europe
Also Known As Wallflower, Cheiranthus cheiri
Leaves The leaves are lance-shaped, typically 2-4 inches long, and have a slightly rough texture. They are usually a grayish-green color and are arranged alternately along the stems.
Flowers Wallflowers produce clusters of fragrant flowers in spring and early summer. The flowers are about 1 inch in diameter and come in a variety of colors, including yellow, orange, red, purple, and brown. They are rarely grown indoors and therefore flowering indoors is unlikely.

📏 Size & Growth — Plant Comparison

Flowering Tobacco

Height 0.6-1.5 meters (outdoors), 0.3-0.6 meters (indoors)
Spread 0.3-0.6 meters
Growth Rate Moderate
Growth Pattern Upright, with a basal rosette of leaves and tall, slender flower stalks that can reach up to 1.5 meters in height. The plant has a bushy habit.

Wallflower

Height 30-75 cm (outdoors)
Spread 30-60 cm
Growth Rate Moderate
Growth Pattern Wallflower grows as an upright, bushy plant, typically reaching a height of 12-30 inches. It forms a compact clump of foliage with multiple flowering stems emerging from the base.

🌱 Propagation — Comparing Plant Growth

Flowering Tobacco

Methods: Seed

Difficulty: Easy

Tips: Sow seeds indoors 6-8 weeks before the last frost or directly outdoors after the last frost. Seeds need light to germinate, so press them gently into the soil surface without covering them.

Wallflower

Methods: Seed, Stem cuttings

Difficulty: Moderate

Tips: For seeds, sow indoors 6-8 weeks before the last frost or directly outdoors in spring. For stem cuttings, take cuttings in late spring or early summer and root them in a well-draining medium.

✨ Benefits & Features — Comparing Plant Value

Flowering Tobacco

Its intense fragrance, especially at night, distinguishes it from many other flowering plants. The trumpet-shaped flowers are also a unique feature, attracting specific pollinators.

  • ✓ Attracts pollinators to the garden.
  • ✓ Provides a strong, sweet fragrance, especially in the evening.
  • ✓ Adds height and visual interest to flower beds.
  • ✓ Can be used in cut flower arrangements.
  • ✓ Provides a sense of accomplishment from growing from seed.
  • ⚠️ Toxic to pets

Wallflower

Wallflowers are known for their strong, sweet fragrance and their ability to bloom in early spring, providing color when many other plants are still dormant. Their vibrant flower colors and compact growth habit make them a popular choice for borders and containers.

  • ✓ Adds vibrant color to the garden
  • ✓ Provides a pleasant fragrance
  • ✓ Attracts pollinators
  • ✓ Can be used in cut flower arrangements
  • ✓ Relatively easy to grow outdoors in suitable conditions
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Flowering Tobacco

Repotting Not typically repotted as it's grown as an annual or tender perennial. If grown in a container, repot in spring if root-bound.
Pruning Deadhead spent flowers regularly to encourage continuous blooming. Pinch back stems to promote bushier growth.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, every 2-4 weeks during the growing season.
Seasonal Care In spring, start seeds indoors or direct sow outdoors after the last frost. Provide regular watering and fertilization during the growing season (summer). In fall, collect seeds for next year or allow the plant to self-seed. In winter, the plant typically dies back in colder climates.

Wallflower

Repotting Not typically repotted as they are often grown as annuals or biennials. If grown in containers, repot every 1-2 years.
Pruning Deadhead spent flowers to encourage further blooming. Prune back after flowering to maintain shape.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, applied every 4-6 weeks during the growing season.
Seasonal Care In winter, protect from frost in colder climates. In summer, ensure adequate watering and protect from intense afternoon sun.

🌞 Light Requirements

Flowering Tobacco

Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal flowering.

Low light tolerant: ❌ No

Wallflower

Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal flowering.

Low light tolerant: ❌ No

💧 Watering Needs

Flowering Tobacco

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Signs of overwatering include yellowing leaves and wilting, while underwatering results in drooping and dry, crispy leaves.

Wallflower

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, as this can lead to root rot. Ensure good drainage. Signs of underwatering include wilting and dry, crispy leaves. Overwatering can cause yellowing leaves and a soggy soil.

🌡️ Temperature & Humidity

Flowering Tobacco

Temperature: 18-24°C

Humidity: 40-60%

Wallflower

Temperature: 10-21°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Flowering Tobacco

Flowering Tobacco

Nicotiana alata
Care: Expert Time: 15 minutes weekly Beginner: No

Gardeners seeking fragrant, evening-blooming flowers to attract pollinators.

✅ Choose This Plant If...

  • You want a plant with a strong, sweet fragrance, especially at night.
  • You want to attract hummingbirds and moths to your garden.
  • You want a tall, elegant plant for the back of a flower bed.
  • You enjoy starting plants from seed.
  • You are an experienced gardener comfortable with the plant's toxicity.

❌ Skip This Plant If...

  • You have pets or small children who might ingest the plant.
  • You don't have a sunny location to grow it.
  • You are a beginner gardener looking for an easy-care indoor plant.
📍 Ideal Location: Outdoor garden bed or container in a sunny location. If indoors, a south-facing window.
🎨 Style: Cottage, Traditional, Romantic
🏠 Apartment Friendly: Limited
⚠️ All parts of the plant, especially the leaves, contain nicotine and other toxic alkaloids. Can cause vomiting, diarrhea, incoordination, weakness, tremors, and seizures in dogs, cats, and horses. Contact a veterinarian immediately if ingestion is suspected.
Wallflower

Wallflower

Erysimum cheiri
Care: Expert Time: 15 minutes weekly Beginner: No

Gardeners looking to add vibrant color and fragrance to their outdoor spring and early summer gardens.

✅ Choose This Plant If...

  • You want a fragrant spring flower for your garden.
  • You enjoy vibrant colors in your outdoor space.
  • You want to attract pollinators like bees and butterflies.
  • You have a sunny garden spot.
  • You are experienced with caring for flowering plants.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You lack a sunny outdoor space.
  • You are looking for a low-maintenance indoor plant.
📍 Ideal Location: Sunny garden bed, rock garden, or container on a patio.
🎨 Style: Cottage, Traditional, English Garden
🏠 Apartment Friendly: No
⚠️ Wallflower contains cardiac glycosides, which are toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, weakness, and potentially heart problems. All parts of the plant are considered 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

🌿

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

Flowering Tobacco Care Tips

Flowering tobacco is primarily an outdoor plant that requires full sun and well-drained soil. Indoor cultivation is challenging due to its high light requirements. It is also toxic to pets. Regular watering and fertilization are necessary for optimal growth and flowering. Deadheading spent flowers encourages further blooming.

  • Provide support for tall stems to prevent them from flopping over.
  • Water deeply but infrequently, allowing the soil to dry slightly between waterings.
  • Fertilize regularly during the growing season to promote abundant flowering.
  • Deadhead spent flowers to encourage continuous blooming.
  • Protect from strong winds, which can damage the delicate stems.
❄️ Winter: In colder climates, flowering tobacco is typically grown as an annual and does not survive the winter. Collect seeds in the fall for planting the following spring.
☀️ Summer: Provide regular watering and fertilization during the growing season. Protect from intense afternoon sun in hotter climates to prevent leaf scorch. Deadhead spent flowers to encourage continuous blooming.

Wallflower Care Tips

Wallflowers are primarily outdoor plants and require full sun and well-draining soil. Indoor cultivation is challenging due to the need for intense light and specific temperature requirements. They are toxic to pets, requiring careful placement if grown in areas accessible to animals.

  • Provide well-draining soil to prevent root rot.
  • Deadhead spent flowers to encourage more blooms.
  • Protect from frost in colder climates.
  • Fertilize regularly during the growing season.
  • Ensure adequate sunlight for optimal flowering.
❄️ Winter: In colder climates, protect wallflowers from frost by mulching around the base of the plant or moving container-grown plants to a sheltered location. Reduce watering during the winter months.
☀️ Summer: Ensure adequate watering during the summer months, especially during hot, dry periods. Protect from intense afternoon sun to prevent scorching. Deadhead spent flowers to encourage further blooming.

⚠️ Common Problems & Solutions — Plant Care Comparison

Flowering Tobacco

Common Issues: Aphids, tobacco hornworms, root rot, powdery mildew
Solutions: Treat aphids with insecticidal soap or neem oil. Handpick tobacco hornworms. Prevent root rot by ensuring well-draining soil and avoiding overwatering. Improve air circulation and treat with fungicide for powdery mildew.

Wallflower

Common Issues: Aphids, Root rot, Powdery mildew
Solutions: Aphids: Treat with insecticidal soap. Root rot: Ensure good drainage and avoid overwatering. Powdery mildew: Improve air circulation and apply a fungicide.

❓ Frequently Asked Questions — Comparing These Plants

Flowering Tobacco

What are the light requirements for Flowering Tobacco?

Flowering Tobacco requires ample sunlight to thrive and produce abundant blooms. Ideally, it should receive at least six hours of direct sunlight per day. In hotter climates, providing some afternoon shade can prevent leaf scorch. Insufficient light can lead to leggy growth and reduced flowering. When grown indoors, place Flowering Tobacco near a sunny window, preferably south-facing, to maximize light exposure. Rotate the plant regularly to ensure even light distribution and prevent it from leaning towards the light source. If natural light is limited, consider supplementing with grow lights to provide the necessary light intensity for healthy growth and flowering. Monitor the plant’s foliage for signs of inadequate light, such as pale leaves or elongated stems, and adjust its position accordingly.

How do I care for Flowering Tobacco?

Flowering Tobacco thrives with consistent care. Provide it with at least six hours of sunlight daily, although partial shade is beneficial in hotter climates. Water regularly, keeping the soil consistently moist but not waterlogged. A well-draining soil mix is crucial to prevent root rot. Fertilize every two to three weeks during the growing season with a balanced liquid fertilizer to encourage abundant blooms. Deadhead spent flowers to promote continuous flowering. Monitor for pests like aphids and whiteflies, and treat promptly with insecticidal soap. Maintain a humidity level of around 40-60% for optimal growth. Repot annually in the spring to refresh the soil and provide room for growth. Protect from frost, as Flowering Tobacco is sensitive to cold temperatures. Prune as needed to maintain shape and remove any dead or damaged foliage. With proper care, Flowering Tobacco will reward you with beautiful blooms and a delightful fragrance.

How do I propagate Flowering Tobacco?

Flowering Tobacco can be propagated easily from seeds. Collect seeds from dried flower heads. Sow seeds indoors in early spring, lightly pressing them onto the surface of a well-draining seed-starting mix. Keep the soil consistently moist and provide bright, indirect light. Germination typically occurs within 1-2 weeks. Once seedlings are large enough to handle, transplant them into individual pots. Alternatively, stem cuttings can be taken in late spring or early summer. Take a 4-6 inch cutting from a healthy stem, remove the lower leaves, and place the cutting in water or moist potting mix until roots develop. Once roots have formed, transplant the cutting into a pot.

Wallflower

What are the light requirements for Wallflower?

Wallflowers require at least 6 hours of direct sunlight per day to thrive and produce abundant blooms. A south-facing window or sunny patio is ideal. Insufficient light can result in leggy growth and reduced flowering. If growing indoors, consider using a grow light to supplement natural light, especially during the winter months. Rotate the plant regularly to ensure even light exposure on all sides. Monitor the plant for signs of insufficient light, such as pale leaves or elongated stems. Adjust the placement accordingly to provide optimal light conditions.

How do I care for Wallflower?

Wallflowers thrive in full sun and well-drained soil. Water regularly, allowing the soil to dry slightly between waterings. Avoid overwatering, which can lead to root rot. Fertilize every 2-3 weeks during the growing season with a balanced liquid fertilizer to promote abundant blooms. Deadhead spent flowers to encourage continued flowering. Prune lightly after blooming to maintain shape. Protect from frost in colder climates by moving potted plants indoors or providing adequate cover. Wallflowers prefer cooler temperatures and can tolerate light frost. Ensure good air circulation to prevent fungal diseases. Regularly check for pests and address infestations promptly.

How do I propagate Wallflower?

Wallflowers are typically propagated by seed, but stem cuttings can also be used. For stem cuttings, take 4-6 inch cuttings from non-flowering stems in 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. Rooting should occur in 4-6 weeks. Alternatively, collect seeds from dried flower pods in late summer or fall. Sow the seeds indoors in early spring or directly into the garden after the last frost. Division is less common but possible with established clumps, carefully separating the roots and replanting.

Last updated: May 8, 2026 — Plant care data reviewed and verified by our editorial team.