Fan Flower vs Mustard Greens Plant Comparison

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

Fan Flower

Fan Flower

Scaevola aemula

VS
Mustard Greens

Mustard Greens

Brassica juncea

Fan Flower

Fan Flower

Scaevola aemula

Scaevola aemula, commonly known as Fan Flower, is a tender perennial often grown as an annual. It features a distinctive fan-shaped flower arrangement, with blooms typically in shades of blue, purple, pink, or white. The plant has a mounding or trailing habit, reaching about 12-18 inches in height and spreading up to 24 inches. It is primarily an outdoor plant, prized for its continuous flowering throughout the warm season. People grow it for its vibrant colors, unique flower shape, and heat tolerance in garden beds, hanging baskets, and containers.

Goodeniaceae Australia
✨ Features: Heat tolerance, continuous flowering, unique flower shape.
πŸ“– Read Complete Fan Flower Guide
Mustard Greens

Mustard Greens

Brassica juncea

Mustard greens are leafy vegetables with a peppery and slightly bitter flavor. They are typically grown outdoors as an annual crop, reaching heights of 1 to 2 feet. The leaves are broad and can be smooth or crinkled, depending on the variety. While mustard greens can be grown indoors, they require very bright light and consistent moisture, making them more challenging than typical houseplants. They are primarily cultivated for their edible leaves, which are used in salads, stir-fries, and cooked dishes.

Brassicaceae Central Asia
✨ Features: Edible leaves, rich in vitamins and minerals.
πŸ“– Read Complete Mustard Greens Guide

Quick Plant Comparison

Feature Fan Flower Mustard Greens
Light Full sun to partial shade. Requires at least 6 hours of direct sunlight for optimal flowering. Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal growth.
Watering Every 2-3 days in hot weather, less frequently in cooler conditions. Every 2-3 days outdoors, potentially less frequently indoors depending on light and temperature.
Humidity 40-60% 40-60%
Temperature 18-27Β°C 15-24Β°C
Care Level Expert Expert
Growth Rate Moderate Fast
Max Height 15-30 cm (indoors, likely smaller) 0.3-0.6 meters (1-2 feet)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining potting mix amended with perlite or sand. Well-draining, fertile soil rich in organic matter. A mix of potting soil, compost, and perlite is suitable.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15 minutes weekly 15 minutes weekly

πŸ”¬ Botanical Information β€” Comparing These Plants

Fan Flower

Scientific Name Scaevola aemula
Family Goodeniaceae
Native To Australia
Also Known As Fan Flower, Fairy Fan-flower
Leaves The leaves of Scaevola aemula are typically small, oval to lance-shaped, and have slightly serrated edges. They are usually a medium to dark green color and have a slightly succulent texture.
Flowers Fan Flower blooms profusely throughout the warm season, producing numerous fan-shaped flowers. The flowers come in shades of blue, purple, pink, and white. While it can flower indoors under ideal conditions, flowering is significantly reduced compared to outdoor growth.

Mustard Greens

Scientific Name Brassica juncea
Family Brassicaceae
Native To Central Asia
Also Known As Indian mustard, Chinese mustard, Leaf mustard, Brown mustard
Leaves Broad, oval or lance-shaped leaves, ranging in color from light green to dark green or even purple, depending on the variety. Leaf texture can be smooth, ruffled, or deeply lobed.
Flowers Mustard greens produce yellow flowers on tall stalks if allowed to bolt. Flowering typically occurs in hot weather or when the plant is stressed. Flowering reduces leaf quality.

πŸ“ Size & Growth β€” Plant Comparison

Fan Flower

Height 15-30 cm (indoors, likely smaller)
Spread 30-60 cm
Growth Rate Moderate
Growth Pattern Fan Flower exhibits a mounding or trailing growth habit. It spreads outwards, creating a dense mat of foliage and flowers. It is not considered an aggressive spreader, but it can fill in spaces quickly.

Mustard Greens

Height 0.3-0.6 meters (1-2 feet)
Spread 0.3-0.6 meters (1-2 feet)
Growth Rate Fast
Growth Pattern Upright, bushy growth habit. Leaves emerge from a central rosette.

🌱 Propagation β€” Comparing Plant Growth

Fan Flower

Methods: Stem cuttings, Seed

Difficulty: Moderate

Tips: Take stem cuttings in spring or summer. Dip the cut end in rooting hormone and plant in moist potting mix. Keep cuttings in a warm, humid environment until roots develop. Seeds can be sown indoors 6-8 weeks before the last frost.

Mustard Greens

Methods: Seed

Difficulty: Easy

Tips: Sow seeds directly into the soil or start them indoors 4-6 weeks before the last frost. Keep the soil moist and provide adequate light.

✨ Benefits & Features β€” Comparing Plant Value

Fan Flower

The most distinctive feature of Scaevola aemula is its fan-shaped flower arrangement, where the petals are arranged on one side of the flower. This unique shape gives the plant its common name, Fan Flower. It is also known for its heat and drought tolerance, making it a popular choice for warm climates.

  • βœ“ Provides vibrant color to outdoor spaces.
  • βœ“ Attracts pollinators like butterflies and bees.
  • βœ“ Tolerates heat and drought once established.
  • βœ“ Offers a unique and interesting flower shape.
  • βœ“ Can be used in hanging baskets, containers, and garden beds.
  • ⚠️ Toxic to pets

Mustard Greens

Mustard greens are known for their peppery and slightly bitter flavor, which intensifies with maturity. They are a fast-growing crop, providing a quick harvest of nutritious leaves.

  • βœ“ Provides fresh, nutritious greens for salads and cooking.
  • βœ“ Adds visual interest to a vegetable garden.
  • βœ“ Attracts beneficial insects to the garden.
  • βœ“ Can be used as a cover crop to improve soil health.
  • βœ“ Relatively easy to grow from seed.
  • ⚠️ Toxic to pets

πŸ“… Maintenance Schedule β€” Plant Care Comparison

Fan Flower

Repotting Not typically needed if grown as an annual. If overwintering indoors, repot in spring if root-bound.
Pruning Pinch back stems regularly to encourage bushier growth and more flowers. Remove spent flowers to promote continuous blooming.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, every 2-4 weeks during the growing season.
Seasonal Care In summer, provide ample water and fertilizer. In winter, reduce watering and protect from frost. If overwintering indoors, provide as much light as possible.

Mustard Greens

Repotting Not applicable as it's typically grown as an annual.
Pruning Harvest leaves regularly to encourage continued growth. Remove any yellowing or damaged leaves.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, every 2-3 weeks during the growing season.
Seasonal Care Spring and fall are ideal growing seasons. Provide shade during hot summer months to prevent bolting. Protect from frost in winter.

🌞 Light Requirements

Fan Flower

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

Low light tolerant: ❌ No

Mustard Greens

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

Low light tolerant: ❌ No

πŸ’§ Watering Needs

Fan Flower

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

Mustard Greens

Keep soil consistently moist but not waterlogged. Water when the top inch of soil feels dry. Overwatering can lead to root rot, while underwatering can cause wilting and stunted growth.

🌑️ Temperature & Humidity

Fan Flower

Temperature: 18-27Β°C

Humidity: 40-60%

Mustard Greens

Temperature: 15-24Β°C

Humidity: 40-60%

πŸ€” Which Plant Is Right For You?

Fan Flower

Fan Flower

Scaevola aemula
Care: Expert Time: 15 minutes weekly Beginner: No

Experienced gardeners who can provide ample sunlight and proper care, primarily outdoors.

βœ… Choose This Plant If...

  • You want a plant with unique fan-shaped flowers.
  • You need a plant that tolerates heat and sun.
  • You want continuous blooms throughout the summer.
  • You are looking for a plant to attract butterflies.
  • You have a sunny outdoor space like a patio or balcony.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You cannot provide at least 6 hours of direct sunlight daily.
  • You are looking for a low-maintenance indoor plant.
πŸ“ Ideal Location: Sunny patio, balcony, or garden bed. South-facing window if attempting to grow indoors.
🎨 Style: Cottage, Coastal, Mediterranean
🏠 Apartment Friendly: Limited
⚠️ According to the ASPCA, Scaevola species are toxic to dogs, cats, and horses. Symptoms include vomiting and diarrhea. All parts of the plant are considered toxic.
Mustard Greens

Mustard Greens

Brassica juncea
Care: Expert Time: 15 minutes weekly Beginner: No

Gardeners looking for a fast-growing, nutritious leafy green for salads and cooking.

βœ… Choose This Plant If...

  • You want a fast-growing leafy green for your garden.
  • You enjoy the peppery flavor of mustard greens in salads and cooked dishes.
  • You want a plant that is relatively easy to grow from seed.
  • You are looking for a nutritious addition to your diet.
  • You have a sunny garden space available.

❌ Skip This Plant If...

  • You lack a sunny outdoor space.
  • You are looking for a low-maintenance houseplant.
  • You have pets that might ingest the plant.
πŸ“ Ideal Location: Outdoor garden or raised bed with full sun exposure.
🎨 Style: Rustic, Cottage Garden, Vegetable Garden
🏠 Apartment Friendly: No
⚠️ Mustard plants contain glucosinolates, which can cause mild gastrointestinal upset in dogs, cats, and horses if ingested in large quantities. Symptoms may include vomiting, diarrhea, and abdominal pain. 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

πŸ“ˆ

Fan Flower has moderate growth, while Mustard Greens grows fast.

πŸ’‘ Pro Tips For Comparing These Plants

Fan Flower Care Tips

Fan Flower is primarily an outdoor plant and requires full sun to thrive. It can be challenging to maintain indoors due to its high light requirements. Providing adequate light, proper watering, and well-draining soil are crucial for its survival indoors. Expect reduced flowering and potentially leggy growth indoors.

  • Provide well-draining soil to prevent root rot.
  • Water deeply but infrequently, allowing the soil to dry slightly between waterings.
  • Fertilize regularly during the growing season to promote continuous blooming.
  • Pinch back stems to encourage bushier growth.
  • Protect from frost if overwintering.
❄️ Winter: If overwintering indoors, reduce watering frequency and provide as much light as possible. Maintain a temperature above 10Β°C. Expect some leaf drop and reduced growth during the winter months.
β˜€οΈ Summer: Provide ample water and fertilizer during the summer growing season. Protect from intense afternoon sun in extremely hot climates. Deadhead spent flowers regularly to encourage continuous blooming.

Mustard Greens Care Tips

Mustard greens are best grown outdoors in a garden setting. Indoor cultivation is challenging due to high light requirements and the need for consistent moisture. Requires regular fertilization and monitoring for pests. Not ideal as a houseplant.

  • Plant seeds directly into the soil in spring or fall.
  • Thin seedlings to allow for adequate spacing.
  • Water regularly to keep the soil moist.
  • Fertilize every 2-3 weeks during the growing season.
  • Harvest leaves regularly to encourage continued growth.
❄️ Winter: In mild climates, mustard greens can be grown throughout the winter with protection from frost. In colder climates, they are typically grown as a spring or fall crop.
β˜€οΈ Summer: Provide shade during hot summer months to prevent bolting. Water more frequently to keep the soil moist.

⚠️ Common Problems & Solutions β€” Plant Care Comparison

Fan Flower

Common Issues: Aphids, Spider mites, Root rot, Powdery mildew
Solutions: Aphids/Spider mites: Insecticidal soap or neem oil. | Root rot: Improve drainage, reduce watering frequency. | Powdery mildew: Improve air circulation, fungicide.

Mustard Greens

Common Issues: Aphids, flea beetles, bolting (premature flowering)
Solutions: Aphids: Insecticidal soap or neem oil. Flea beetles: Row covers or diatomaceous earth. Bolting: Provide shade during hot weather and harvest leaves regularly.

❓ Frequently Asked Questions β€” Comparing These Plants

Fan Flower

What are the light requirements for Fan Flower?

Fan Flower requires at least 6-8 hours of direct sunlight per day to thrive and produce abundant blooms. Insufficient light can lead to leggy growth and reduced flowering. When growing indoors, place Fan Flower near a south-facing window where it can receive ample sunlight. If natural light is limited, supplement with grow lights. Rotate the plant regularly to ensure even light exposure on all sides. In hot climates, provide some afternoon shade to prevent scorching. Monitor the plant for signs of light stress, such as pale or yellowing leaves, and adjust its location accordingly. Optimal light exposure is crucial for healthy growth and prolific flowering.

How do I care for Fan Flower?

Fan Flower thrives in well-draining soil and requires full sun for optimal blooming. Water regularly, allowing the top inch of soil to dry out between waterings. Fertilize every 2-3 weeks during the growing season with a balanced liquid fertilizer to promote abundant flowering. Deadhead spent blooms to encourage continuous blooming. Prune lightly to maintain shape and encourage bushier growth. Provide adequate air circulation to prevent fungal diseases. Protect from frost, as Fan Flower is not frost-hardy. In cooler climates, grow in containers that can be moved indoors during winter. Monitor for pests such as aphids and spider mites, and treat promptly if infestation occurs. Ensure proper drainage to prevent root rot.

How do I propagate Fan Flower?

Fan Flower can be propagated through stem cuttings or division.

Mustard Greens

What are the light requirements for Mustard Greens?

Mustard greens require ample sunlight to thrive and produce abundant, flavorful leaves. Ideally, they should receive at least 6-8 hours of direct sunlight each day. If grown indoors, place them near a south-facing window where they can receive maximum light exposure. Insufficient light can lead to leggy growth and reduced leaf production. If natural light is limited, consider supplementing with grow lights to ensure adequate illumination. Rotate the plants regularly to ensure even light exposure on all sides. Monitor the leaves for signs of light stress, such as scorching or pale coloration, and adjust the light accordingly. During periods of intense heat, providing some afternoon shade can prevent the plants from bolting prematurely. Adequate light is crucial for the plant’s overall health and productivity.

How do I care for Mustard Greens?

Mustard greens thrive in well-drained soil with a pH of 6.0-7.5. Plant seeds directly in the ground or in containers, spacing them 2-3 inches apart. Provide ample sunlight, ideally 6-8 hours per day, though they can tolerate partial shade. Water regularly, keeping the soil consistently moist but not waterlogged. Fertilize every 2-3 weeks with a balanced fertilizer, especially when the plant begins to flower. Monitor for pests like aphids and cabbage worms, and address them promptly with organic pest control methods. Harvest leaves regularly to encourage continued growth. Maintain good air circulation to prevent fungal diseases. In warmer climates, provide afternoon shade to prevent bolting (premature flowering). Mulch around the plants to retain moisture and suppress weeds. Remove any yellowing or damaged leaves to keep the plant healthy and productive.

How do I propagate Mustard Greens?

Mustard greens are primarily propagated by seed. Sow seeds directly into well-drained soil about ΒΌ inch deep. Keep the soil consistently moist until germination, which typically occurs within 5-7 days. Thin seedlings to 2-3 inches apart once they have developed their first true leaves. Mustard greens can also be propagated through stem cuttings, although this method is less common. Take a 4-6 inch cutting from a healthy stem, remove the lower leaves, and place the cutting in water or moist potting mix. Roots should develop within 1-2 weeks. Once roots have formed, transplant the cutting into a pot or directly into the garden. Division is not typically used for mustard greens. Keiki propagation is not applicable to mustard greens.

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