Flowering Tobacco vs Japanese Plum 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
Japanese Plum

Japanese Plum

Prunus salicina

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
Japanese Plum

Japanese Plum

Prunus salicina

The Japanese plum (Prunus salicina) is a deciduous tree typically reaching 10-25 feet in height. It is known for its early spring bloom of fragrant white flowers, followed by the production of juicy, sweet plums in various colors, including red, purple, and yellow. While primarily an outdoor tree cultivated for fruit production and ornamental value, it is not suited for indoor growth due to its size, light requirements, and need for a dormancy period. People grow it for its fruit, attractive blossoms, and landscape appeal.

Rosaceae China
✨ Features: Edible fruit, attractive spring blossoms, ornamental value
📖 Read Complete Japanese Plum Guide

Quick Plant Comparison

Feature Flowering Tobacco Japanese Plum
Light Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal flowering. Full sun (at least 6-8 hours of direct sunlight daily)
Watering Every 2-5 days outdoors, every 7-10 days indoors, depending on conditions. Weekly, adjusting based on weather and soil moisture
Humidity 40-60% 30-50%
Temperature 18-24°C 10-25°C
Care Level Expert Expert
Growth Rate Moderate Fast
Max Height 0.6-1.5 meters (outdoors), 0.3-0.6 meters (indoors) Not applicable indoors; 10-25 feet outdoors
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining potting mix or garden soil enriched with compost. Well-draining loamy soil with a slightly acidic to neutral pH (6.0-7.0)
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15 minutes weekly 30-60 minutes weekly during growing season

🔬 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.

Japanese Plum

Scientific Name Prunus salicina
Family Rosaceae
Native To China
Also Known As Japanese plum, Chinese plum, Asian plum
Leaves Alternate, lanceolate to ovate leaves, 2-4 inches long, with finely serrated margins. They are typically a glossy green color.
Flowers Rarely flowers indoors. Outdoors, abundant, fragrant white flowers appear in early spring before the leaves emerge.

📏 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.

Japanese Plum

Height Not applicable indoors; 10-25 feet outdoors
Spread Not applicable indoors; 10-20 feet outdoors
Growth Rate Fast
Growth Pattern Upright, spreading tree with a rounded crown. Branches can become quite dense if not pruned regularly.

🌱 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.

Japanese Plum

Methods: Seed, grafting, budding, cuttings

Difficulty: Moderate

Tips: Grafting or budding onto suitable rootstock is the most reliable method. Cuttings can be attempted, but success rates are lower. Seeds require stratification.

✨ 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

Japanese Plum

Japanese plums are known for their early spring bloom and juicy, sweet fruit. They are more adaptable to warmer climates than European plums.

  • ✓ Provides fresh, homegrown fruit.
  • ✓ Offers beautiful spring blossoms.
  • ✓ Attracts pollinators to the garden.
  • ✓ Provides shade in the summer.
  • ✓ Can be a focal point in the landscape.
  • ⚠️ 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.

Japanese Plum

Repotting Not applicable indoors.
Pruning Prune in late winter or early spring to remove dead, damaged, or crossing branches. Thin the canopy to improve air circulation and sunlight penetration.
Fertilizing Balanced fertilizer (10-10-10) in early spring, following package instructions. Avoid over-fertilizing.
Seasonal Care Spring: Fertilize and monitor for pests. Summer: Water regularly and harvest fruit. Fall: Prune after harvest and prepare for dormancy. Winter: Protect from extreme cold if necessary.

🌞 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

Japanese Plum

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

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.

Japanese Plum

Water deeply when the top few inches of soil are dry. Overwatering can lead to root rot, indicated by yellowing leaves and a musty smell. Underwatering results in wilting and dry, brittle leaves. Ensure good drainage.

🌡️ Temperature & Humidity

Flowering Tobacco

Temperature: 18-24°C

Humidity: 40-60%

Japanese Plum

Temperature: 10-25°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.
Japanese Plum

Japanese Plum

Prunus salicina
Care: Expert Time: 30-60 minutes weekly during growing season Beginner: No

Homeowners with sufficient outdoor space who want to grow their own fruit and enjoy the ornamental value of a flowering tree.

✅ Choose This Plant If...

  • You have ample outdoor space and full sun exposure.
  • You want to grow your own delicious plums.
  • You enjoy the beauty of spring blossoms.
  • You are experienced with fruit tree care.
  • You want to attract pollinators to your garden.

❌ Skip This Plant If...

  • You only have indoor space.
  • You are looking for a low-maintenance plant.
  • You have pets that might ingest toxic plant parts.
📍 Ideal Location: Outdoors in a sunny location with well-draining soil.
🎨 Style: Traditional, Cottage, Orchard
🏠 Apartment Friendly: No
⚠️ All parts of the Japanese plum tree, except for the ripe fruit pulp, contain cyanogenic glycosides, which can be toxic to dogs, cats, and horses. Symptoms include dilated pupils, difficulty breathing, and vomiting. The pits are especially dangerous due to their high concentration of cyanide compounds. According to ASPCA, plum trees are toxic to dogs, cats, and horses.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

📈

Flowering Tobacco has moderate growth, while Japanese Plum grows fast.

💡 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.

Japanese Plum Care Tips

Japanese plum trees are not suitable for indoor cultivation. They require full sun, a dormancy period, and ample space to grow. Indoor attempts will likely result in a stressed, unhealthy plant. Maintaining proper humidity and temperature indoors to mimic outdoor conditions is extremely difficult.

  • Choose a cultivar suited to your climate.
  • Provide adequate water during fruit development.
  • Protect the tree from pests and diseases.
  • Prune regularly to maintain shape and productivity.
  • Fertilize in early spring to promote growth.
❄️ Winter: Provide protection from extreme cold, especially for young trees. Mulch around the base to insulate the roots. Reduce watering during dormancy.
☀️ Summer: Water regularly, especially during fruit development. Monitor for pests and diseases. Provide support for heavily laden branches.

⚠️ 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.

Japanese Plum

Common Issues: Aphids, plum curculio, brown rot, bacterial spot
Solutions: Aphids: Insecticidal soap or neem oil. Plum curculio: Insecticides or physical barriers. Brown rot: Fungicides and pruning. Bacterial spot: Copper-based sprays and good sanitation.

❓ 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.

Japanese Plum

What are the light requirements for Japanese Plum?

Japanese Plum trees need bright, indirect light to thrive indoors. Insufficient light can lead to leggy growth and reduced fruit production (if applicable). A location near an east- or west-facing window is ideal. If you only have a south-facing window, use sheer curtains to diffuse the light. Rotate the plant regularly to ensure even light exposure on all sides. If natural light is limited, consider using a grow light to supplement its needs. The leaves will indicate if the light is sufficient; pale or yellowing leaves often signal a need for more light.

How do I care for Japanese Plum?

Caring for a Japanese Plum indoors requires providing the right conditions to mimic its natural environment. Place it in a location with bright, indirect light, avoiding direct sunlight that can scorch the leaves. Water thoroughly when the top inch of soil feels dry, ensuring good drainage to prevent root rot. Maintain a consistent temperature between 60-75°F (15-24°C) and provide moderate humidity. Fertilize during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Prune regularly to maintain shape and remove any dead or damaged branches. Repot every 2-3 years into a slightly larger pot with well-draining potting mix. Monitor for pests such as aphids or spider mites and treat promptly with insecticidal soap.

How do I propagate Japanese Plum?

Japanese Plum can be propagated through stem cuttings or air layering. For stem cuttings, take a 4-6 inch cutting from new growth in the spring or early summer. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cutting in a well-draining potting mix and keep it moist. Cover the cutting with a plastic bag or humidity dome to maintain high humidity. For air layering, make a small incision on a branch, wrap it with moist sphagnum moss, and cover it with plastic wrap. Secure the plastic wrap with tape. Once roots have formed, cut the branch below the roots and plant it in a pot. Keep the soil consistently moist.

Last updated: April 30, 2026 — Plant care data reviewed and verified by our editorial team.