Cigar Plant vs Perennial Flax Plant Comparison

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

Cigar Plant

Cigar Plant

Cuphea ignea

VS
Perennial Flax

Perennial Flax

Linum perenne

Cigar Plant

Cigar Plant

Cuphea ignea

Cuphea ignea, commonly known as the Cigar Plant, is a small, evergreen shrub prized for its vibrant, tubular flowers that resemble lit cigars. Native to Mexico and Jamaica, it typically grows to a height of 1-2 feet. The plant features lance-shaped, glossy green leaves and produces numerous bright red-orange flowers with a white and black 'ash' tip. It is primarily grown outdoors in warm climates as a border plant, in containers, or as part of mixed beds. While it can be brought indoors, it requires very bright light to thrive and flower properly, making it challenging to maintain its vigor indoors.

Lythraceae Mexico, Jamaica
✨ Features: Attracts hummingbirds and butterflies.
📖 Read Complete Cigar Plant Guide
Perennial Flax

Perennial Flax

Linum perenne

Perennial Flax (Linum perenne) is a herbaceous perennial known for its delicate, airy appearance and profuse display of sky-blue flowers. It typically grows to a height of 30-60 cm. The plant features slender stems and narrow, lance-shaped leaves. While primarily an outdoor plant, it is grown for its ornamental value in gardens and meadows, attracting pollinators. The flowers are short-lived, opening in the morning and closing by afternoon, but the plant produces a continuous succession of blooms throughout the flowering season. It is not naturally an indoor plant.

Linaceae Europe, North Africa, Asia
✨ Features: Attracts pollinators, drought-tolerant once established
📖 Read Complete Perennial Flax Guide

Quick Plant Comparison

Feature Cigar Plant Perennial Flax
Light Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal flowering. Full sun
Watering Every 3-7 days outdoors, depending on weather; less frequently indoors (every 7-10 days). Every 7-10 days, depending on weather and soil drainage
Humidity 40-60% 30-50%
Temperature 18-27°C 15-24°C
Care Level Expert Expert
Growth Rate Moderate Moderate
Max Height 0.3-0.6 meters (1-2 feet) indoors; slightly larger outdoors. N/A (Outdoor plant, not suitable for indoor growing)
Pet Safety ✅ Safe ❌ Toxic To Pets
Soil Well-draining potting mix. A mix of peat moss, perlite, and vermiculite is suitable. Well-draining, sandy or loamy soil
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15 minutes weekly 5 minutes weekly

🔬 Botanical Information — Comparing These Plants

Cigar Plant

Scientific Name Cuphea ignea
Family Lythraceae
Native To Mexico, Jamaica
Also Known As Cigar Plant, Firecracker Plant, Cigar Flower
Leaves The leaves are lance-shaped, glossy green, and typically 2-4 inches long. They are arranged oppositely along the stems and have a smooth texture.
Flowers The Cigar Plant flowers readily outdoors in warm climates. Indoors, flowering is less frequent and requires very bright light. The flowers are tubular, bright red-orange with a white and black tip, and are about 1-2 inches long.

Perennial Flax

Scientific Name Linum perenne
Family Linaceae
Native To Europe, North Africa, Asia
Also Known As Perennial Flax, Blue Flax, Flax
Leaves Narrow, lance-shaped leaves, typically blue-green in color, arranged alternately along the stems.
Flowers Flowers are typically sky-blue, about 2.5 cm in diameter, with five petals. They open in the morning and close by afternoon. Rarely flowers indoors.

📏 Size & Growth — Plant Comparison

Cigar Plant

Height 0.3-0.6 meters (1-2 feet) indoors; slightly larger outdoors.
Spread 0.3-0.6 meters (1-2 feet)
Growth Rate Moderate
Growth Pattern The Cigar Plant grows as a small, bushy shrub. It has an upright growth habit and can become somewhat sprawling if not pruned regularly. It does not spread aggressively.

Perennial Flax

Height N/A (Outdoor plant, not suitable for indoor growing)
Spread 30-45 cm
Growth Rate Moderate
Growth Pattern Upright, clumping perennial with slender stems and airy foliage.

🌱 Propagation — Comparing Plant Growth

Cigar Plant

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 cutting warm and humid until roots develop. Seeds can be sown in spring.

Perennial Flax

Methods: Seed, Division

Difficulty: Easy

Tips: Sow seeds in spring or fall. Divide established plants in spring or fall. Ensure good drainage for successful propagation.

✨ Benefits & Features — Comparing Plant Value

Cigar Plant

The Cigar Plant is known for its unique tubular flowers that resemble lit cigars, with a red-orange body and a white and black 'ash' tip. This distinctive appearance makes it a popular choice for attracting hummingbirds and adding visual interest to gardens.

  • ✓ Attracts pollinators like hummingbirds and butterflies.
  • ✓ Adds vibrant color to the garden.
  • ✓ Relatively low-maintenance outdoors.
  • ✓ Can be grown in containers.
  • ✓ Provides visual interest with its unique flower shape.
  • 🐾 Pet Safe

Perennial Flax

Perennial Flax is known for its delicate, blue flowers that open in the morning and close by afternoon. It is a relatively low-maintenance perennial that attracts pollinators and is drought-tolerant once established.

  • ✓ Attracts pollinators like bees and butterflies.
  • ✓ Adds a delicate, airy texture to the garden.
  • ✓ Provides a long season of blue flowers.
  • ✓ Drought-tolerant once established, reducing water needs.
  • ✓ Relatively low-maintenance, freeing up gardening time.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Cigar Plant

Repotting Repot in spring if the plant becomes root-bound. Choose a pot that is slightly larger than the previous one.
Pruning Prune regularly to maintain shape and encourage bushier growth. Remove spent flowers to promote continued blooming.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength. Apply every 2-4 weeks during the growing season (spring and summer).
Seasonal Care In winter, reduce watering and fertilization. If grown outdoors in cooler climates, provide protection from frost or bring indoors. In summer, provide ample water and fertilizer to support flowering.

Perennial Flax

Repotting N/A (Outdoor plant)
Pruning Deadhead spent flowers regularly to encourage continued blooming. Cut back stems in fall after flowering.
Fertilizing Balanced slow-release fertilizer in spring
Seasonal Care In spring, apply a balanced fertilizer. In summer, deadhead spent flowers to encourage more blooms. In fall, cut back stems after flowering. In winter, provide protection from excessive moisture.

🌞 Light Requirements

Cigar Plant

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

Low light tolerant: ❌ No

Perennial Flax

Full sun

Low light tolerant: ❌ No

💧 Watering Needs

Cigar Plant

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

Perennial Flax

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Ensure good drainage. Signs of underwatering include wilting and yellowing leaves. Overwatering can cause root rot and fungal diseases.

🌡️ Temperature & Humidity

Cigar Plant

Temperature: 18-27°C

Humidity: 40-60%

Perennial Flax

Temperature: 15-24°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Cigar Plant

Cigar Plant

Cuphea ignea
Care: Expert Time: 15 minutes weekly Beginner: No

Gardeners in warm climates looking for a low-maintenance, flowering shrub for borders or containers.

✅ Choose This Plant If...

  • You want to attract hummingbirds to your garden.
  • You live in a warm climate where it can thrive outdoors year-round.
  • You enjoy vibrant, uniquely shaped flowers.
  • You are looking for a relatively low-maintenance shrub for borders or containers.
  • You have a very sunny location indoors and are willing to supplement with grow lights.

❌ Skip This Plant If...

  • You have limited sunlight indoors.
  • You live in a cold climate with harsh winters.
  • You are looking for a low-maintenance indoor plant.
📍 Ideal Location: Outdoors in a sunny garden bed or container; indoors in a south-facing window with supplemental lighting.
🎨 Style: Tropical, Cottage, Eclectic
🏠 Apartment Friendly: Limited
⚠️ According to the ASPCA, Cuphea species are not listed as toxic to dogs, cats, or horses.
Perennial Flax

Perennial Flax

Linum perenne
Care: Expert Time: 5 minutes weekly Beginner: No

Gardeners looking for a low-maintenance, flowering perennial for sunny locations.

✅ Choose This Plant If...

  • You want a low-maintenance perennial for a sunny garden.
  • You want to attract pollinators to your garden.
  • You appreciate delicate, blue flowers.
  • You have well-draining soil.
  • You live in a climate with mild winters.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You don't have a sunny outdoor space.
  • You are looking for an easy indoor plant.
📍 Ideal Location: Sunny garden bed or border
🎨 Style: Cottage, Naturalistic, Mediterranean
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, flax (Linum species) is toxic to dogs, cats, and horses. The toxic principle is cyanogenic glycosides. Symptoms include vomiting, diarrhea, weakness, and difficulty breathing. The seeds are the most toxic part.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Cigar Plant ✓
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

📈

Cigar Plant has moderate growth, while Perennial Flax grows moderate.

💡 Pro Tips For Comparing These Plants

Cigar Plant Care Tips

Cigar Plant is relatively easy to care for outdoors in warm climates. Indoors, it requires very bright light, which is often a challenge. Regular pruning and fertilization are necessary to maintain its shape and encourage flowering. It is not naturally an indoor plant and needs specific conditions to thrive.

  • Provide at least 6 hours of direct sunlight daily for optimal flowering.
  • Water thoroughly when the top inch of soil feels dry.
  • Fertilize regularly during the growing season with a balanced liquid fertilizer.
  • Prune regularly to maintain shape and encourage bushier growth.
  • Protect from frost in colder climates.
❄️ Winter: Reduce watering and fertilization in winter. If grown outdoors in cooler climates, provide protection from frost or bring indoors. Maintain temperatures above 10°C.
☀️ Summer: Provide ample water and fertilizer during the summer growing season to support flowering. Protect from intense afternoon sun in very hot climates to prevent leaf scorch.

Perennial Flax Care Tips

Perennial Flax is primarily an outdoor plant and is challenging to grow indoors due to its high light requirements. It needs full sun and well-draining soil. Indoor attempts often result in leggy growth and poor flowering. It is toxic to pets.

  • Ensure well-draining soil to prevent root rot.
  • Provide full sun for optimal flowering.
  • Deadhead spent flowers regularly to encourage more blooms.
  • Apply a balanced fertilizer in spring.
  • Protect from excessive moisture in winter.
❄️ Winter: Cut back stems after flowering. Provide protection from excessive moisture.
☀️ Summer: Deadhead spent flowers regularly to encourage more blooms. Water thoroughly when the top inch of soil feels dry.

⚠️ Common Problems & Solutions — Plant Care Comparison

Cigar Plant

Common Issues: Aphids, spider mites, powdery mildew, lack of flowering indoors.
Solutions: Treat aphids and spider mites with insecticidal soap or neem oil. Improve air circulation to prevent powdery mildew and treat with fungicide if necessary. Provide brighter light and regular fertilization to encourage flowering.

Perennial Flax

Common Issues: Root rot, powdery mildew, aphids
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Powdery mildew: Improve air circulation and treat with fungicide. Aphids: Spray with insecticidal soap.

❓ Frequently Asked Questions — Comparing These Plants

Cigar Plant

What are the light requirements for Cigar Plant?

Cigar Plants need bright, indirect light to thrive and produce abundant blooms. Insufficient light can result in leggy growth, fewer flowers, and pale leaves. An east-facing window is ideal, providing gentle morning sunlight. West-facing windows can also work, but be careful to shield the plant from intense afternoon sun, which can scorch the leaves. A south-facing window may be suitable if you can filter the light with a sheer curtain. If you don’t have access to adequate natural light, you can supplement with a grow light. Place the plant under a grow light for 12-14 hours per day. Rotate the plant regularly to ensure even light exposure on all sides. Observe the plant closely for signs of light stress, such as sunburn or lack of blooming, and adjust its location accordingly.

How do I care for Cigar Plant?

Cigar Plants thrive in bright, indirect light; direct sunlight can scorch their leaves. Water thoroughly when the top inch of soil feels dry, but avoid overwatering, as this can lead to root rot. Ensure the pot has good drainage. Fertilize regularly during the growing season (spring and summer) with a balanced liquid fertilizer, diluted to half strength, to encourage blooming. Prune regularly to maintain shape and promote bushier growth. Remove spent flowers to encourage more blooms. Maintain a consistent temperature between 60-80°F (15-27°C). Cigar Plants prefer moderate to high humidity. Repot in spring if the plant becomes root-bound. Provide support if the plant becomes too leggy. Inspect regularly for pests such as aphids or spider mites, and treat promptly if necessary. Avoid placing near drafts or heating vents. Consider using a well-draining potting mix specifically formulated for flowering plants.

How do I propagate Cigar Plant?

Cigar Plants are 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 it in a pot filled with well-draining potting mix. Keep the soil moist but not soggy. Cover the pot with a plastic bag or humidity dome to increase humidity. Place the pot in a warm, bright location, but out of direct sunlight. Roots should develop in 2-4 weeks. Once the cutting has rooted, remove the plastic bag and gradually acclimate it to normal growing conditions. You can also propagate through division by carefully separating the root ball of a mature plant and repotting the divisions. Keiki propagation is not applicable to Cigar Plant.

Perennial Flax

What are the light requirements for Perennial Flax?

Perennial Flax requires a minimum of six hours of direct sunlight per day to thrive and produce abundant blooms. A south-facing location is ideal, but east or west-facing exposures can also work if they provide sufficient sunlight. Insufficient light can lead to leggy growth, reduced flowering, and pale foliage. If growing indoors, place the plant near a sunny window or supplement with artificial grow lights. Rotate the plant regularly to ensure even light exposure on all sides. When transplanting, choose a location that receives full sun throughout the day. Be mindful of shadows cast by trees or buildings, especially during the shorter days of winter.

How do I care for Perennial Flax?

Perennial Flax thrives in full sun and well-drained soil. Water deeply but infrequently, allowing the soil to dry out between waterings. Amend heavy clay soils with compost or other organic matter to improve drainage. Fertilize lightly in spring with a balanced fertilizer to encourage blooming. Deadhead spent flowers to promote continued flowering. Cut back the plant after blooming to maintain its shape and encourage bushier growth. Provide support if necessary, as the stems can become leggy. Protect from excessive winter moisture in colder climates. Mulch around the base of the plant to retain moisture and suppress weeds. Monitor for pests and diseases, and treat promptly if necessary. Divide established plants every few years to rejuvenate them.

How do I propagate Perennial Flax?

Perennial Flax can be propagated by seed, division, or stem cuttings.

Last updated: May 11, 2026 — Plant care data reviewed and verified by our editorial team.