Lace Fern vs Prickly Poppy Plant Comparison

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

Lace Fern

Lace Fern

Nephrolepis exaltata 'Bostoniensis'

VS
Prickly Poppy

Prickly Poppy

Argemone polyanthemos

Lace Fern

Lace Fern

Nephrolepis exaltata 'Bostoniensis'

The Lace Fern, a cultivar of the Boston Fern, is prized for its delicate, finely divided fronds that create a lacy appearance. It's an evergreen perennial fern, typically grown indoors as a houseplant, although it thrives outdoors in warm, humid climates. Its arching fronds bring a lush, tropical feel to any space. People grow it for its air-purifying qualities and its ability to add texture and visual interest to indoor environments. It is not naturally an indoor plant, but adapts well with proper care.

Nephrolepidaceae Tropical regions worldwide, specifically a mutation of Nephrolepis exaltata found in Boston, Massachusetts.
✨ Features: Air purifying
📖 Read Complete Lace Fern Guide
Prickly Poppy

Prickly Poppy

Argemone polyanthemos

Argemone polyanthemos, commonly known as Prickly Poppy, is an annual or biennial herbaceous plant characterized by its prickly leaves and stems. It typically grows to a height of 1 to 3 feet. The plant features showy, papery white flowers with numerous stamens in the center. It is primarily an outdoor plant, thriving in sunny, well-drained locations. People grow it for its striking flowers and unique foliage, often in wildflower gardens or xeriscapes.

Papaveraceae North America (Great Plains region of the United States and Canada)
✨ Features: Drought tolerance, attractive flowers, attracts pollinators
📖 Read Complete Prickly Poppy Guide

Quick Plant Comparison

Feature Lace Fern Prickly Poppy
Light Bright, indirect light. Avoid direct sunlight, which can scorch the fronds. Full sun (at least 6-8 hours of direct sunlight daily)
Watering Every 5-7 days, depending on environmental conditions Every 1-2 weeks, depending on weather and soil drainage
Humidity 50-70% 30-50%
Temperature 18-24°C 15-30°C
Care Level Moderate Expert
Growth Rate Moderate Moderate
Max Height 30-90 cm N/A (Outdoor plant, not suitable for indoor growing)
Pet Safety ✅ Safe ❌ Toxic To Pets
Soil Well-draining, peat-based potting mix Well-draining sandy or loamy soil
Beginner Friendly With Caution ❌ No
Weekly Maintenance 15 minutes weekly 15 minutes weekly

🔬 Botanical Information — Comparing These Plants

Lace Fern

Scientific Name Nephrolepis exaltata 'Bostoniensis'
Family Nephrolepidaceae
Native To Tropical regions worldwide, specifically a mutation of Nephrolepis exaltata found in Boston, Massachusetts.
Also Known As Boston Fern, Sword Fern, Lace Fern
Leaves The leaves, or fronds, of the Lace Fern are finely divided and delicate, creating a lacy appearance. They are typically bright green and have a soft, feathery texture. Each frond is composed of numerous small leaflets (pinnae) that are deeply lobed and intricately cut.
Flowers Lace Ferns do not flower indoors. Ferns reproduce via spores, not flowers.

Prickly Poppy

Scientific Name Argemone polyanthemos
Family Papaveraceae
Native To North America (Great Plains region of the United States and Canada)
Also Known As Prickly Poppy, Crested Prickly Poppy, White Prickly Poppy
Leaves The leaves are deeply lobed and have a prickly texture. They are typically bluish-green in color and have prominent white veins.
Flowers The plant produces showy, papery white flowers with numerous yellow stamens in the center. Flowering typically occurs in summer. It will not flower indoors.

📏 Size & Growth — Plant Comparison

Lace Fern

Height 30-90 cm
Spread 30-90 cm
Growth Rate Moderate
Growth Pattern The Lace Fern grows in an arching, cascading habit. It produces numerous fronds from a central rhizome, creating a full and bushy appearance. The fronds gracefully droop, making it ideal for displaying in hanging baskets or on elevated surfaces.

Prickly Poppy

Height N/A (Outdoor plant, not suitable for indoor growing)
Spread N/A (Outdoor plant, not suitable for indoor growing)
Growth Rate Moderate
Growth Pattern The plant grows upright, forming a bushy clump. It is an annual or biennial, meaning it completes its life cycle in one or two years.

🌱 Propagation — Comparing Plant Growth

Lace Fern

Methods: Division, Spores

Difficulty: Moderate

Tips: Division is best done in spring. Carefully separate the rhizomes and plant them in individual pots. Spore propagation is more challenging and requires a sterile environment.

Prickly Poppy

Methods: Seed

Difficulty: Easy

Tips: Sow seeds directly into the ground in spring or fall. Seeds benefit from scarification or a period of cold stratification.

✨ Benefits & Features — Comparing Plant Value

Lace Fern

The Lace Fern is a cultivar of the Boston Fern, known for its finely divided, lacy fronds. This gives it a more delicate and textured appearance compared to the standard Boston Fern. Its graceful, arching habit makes it a popular choice for hanging baskets and shelves.

  • ✓ Improved air quality
  • ✓ Adds a lush, tropical aesthetic to your home
  • ✓ Non-toxic to pets
  • ✓ Can help increase humidity in dry environments
  • ✓ Provides a calming and relaxing atmosphere
  • 🌬️ NASA-verified air purifier
  • 🐾 Pet Safe

Prickly Poppy

The Prickly Poppy is distinguished by its prickly foliage and stems, which provide a defense against herbivores. Its papery white flowers are also quite striking and attract pollinators.

  • ✓ Attracts pollinators
  • ✓ Drought-tolerant
  • ✓ Adds visual interest to gardens
  • ✓ Provides habitat for wildlife
  • ✓ Low water usage
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Lace Fern

Repotting Every 1-2 years, or when the plant becomes root-bound
Pruning Remove dead or yellowing fronds to maintain appearance and encourage new growth.
Fertilizing Balanced liquid fertilizer (20-20-20) diluted to half strength, every 4-6 weeks during the growing season (spring and summer)
Seasonal Care In winter, reduce watering frequency as growth slows. Maintain humidity levels. In summer, ensure adequate moisture and protect from direct sunlight.

Prickly Poppy

Repotting N/A (Outdoor plant)
Pruning Deadhead spent flowers to encourage further blooming. Remove any dead or damaged foliage.
Fertilizing Low-nitrogen fertilizer, applied sparingly in spring
Seasonal Care In spring, sow seeds and provide regular watering until established. In summer, ensure adequate sunlight and monitor for pests. In fall, allow seed heads to dry for self-seeding. In winter, the plant typically dies back.

🌞 Light Requirements

Lace Fern

Bright, indirect light. Avoid direct sunlight, which can scorch the fronds.

Low light tolerant: ✅ Yes

Prickly Poppy

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

Low light tolerant: ❌ No

💧 Watering Needs

Lace Fern

Water thoroughly when the top inch of soil feels dry to the touch. Ensure proper drainage to prevent root rot. Overwatering can lead to yellowing fronds and root rot. Underwatering results in crispy, brown fronds.

Prickly Poppy

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

🌡️ Temperature & Humidity

Lace Fern

Temperature: 18-24°C

Humidity: 50-70%

Prickly Poppy

Temperature: 15-30°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Lace Fern

Lace Fern

Nephrolepis exaltata 'Bostoniensis'
Care: Moderate Time: 15 minutes weekly Beginner: With-caution

Those who enjoy a lush, tropical look and are willing to provide the necessary humidity and care.

✅ Choose This Plant If...

  • You want a plant that helps purify the air.
  • You love the look of delicate, lacy foliage.
  • You are prepared to provide high humidity.
  • You want a non-toxic plant for your pets.
  • You have a bright, indirectly lit space.

❌ Skip This Plant If...

  • You struggle to maintain consistent watering schedules.
  • You live in a very dry climate and are unwilling to use a humidifier.
  • You prefer low-maintenance plants that require minimal attention.
📍 Ideal Location: Bathroom, kitchen, or any room with high humidity and bright, indirect light.
🎨 Style: Bohemian, Tropical, Traditional
🏠 Apartment Friendly: Yes
🌬️ Air Purifying: Yes (NASA verified)
⚠️ According to the ASPCA, Boston Ferns (Nephrolepis exaltata) are non-toxic to dogs, cats, and horses.
Prickly Poppy

Prickly Poppy

Argemone polyanthemos
Care: Expert Time: 15 minutes weekly Beginner: No

Gardeners in arid or semi-arid climates looking for a drought-tolerant, visually striking plant for wildflower gardens.

✅ Choose This Plant If...

  • You want a drought-tolerant plant for a sunny garden.
  • You appreciate unique foliage and showy flowers.
  • You want to attract pollinators to your garden.
  • You live in a region with hot, dry summers.
  • You enjoy the look of wildflower meadows.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You don't have a location with full sun.
  • You are looking for a low-maintenance indoor plant.
📍 Ideal Location: Outdoor garden or xeriscape in a sunny location
🎨 Style: Wildflower, Naturalistic, Southwestern
🏠 Apartment Friendly: No
⚠️ All parts of the plant, especially the seeds, contain alkaloids that are toxic to dogs, cats, and horses. Symptoms include gastrointestinal upset (vomiting, diarrhea), incoordination, and potentially neurological signs.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Lace Fern ✓
Less Maintenance Similar effort
Apartment Friendly Lace Fern

⚡ Key Differences Between These Plants

🎯

Lace Fern is rated Moderate care level, while Prickly Poppy is Expert.

💡 Pro Tips For Comparing These Plants

Lace Fern Care Tips

Lace Ferns require consistent moisture, high humidity, and bright, indirect light. Maintaining adequate humidity is crucial for preventing brown, crispy fronds. They are not particularly difficult, but require more attention than some other houseplants.

  • Mist the fronds regularly to increase humidity.
  • Use a humidifier if the air is dry.
  • Water thoroughly when the top inch of soil feels dry.
  • Avoid placing the plant in direct sunlight.
  • Fertilize regularly during the growing season.
❄️ Winter: Reduce watering frequency in winter as growth slows. Ensure the plant is not exposed to cold drafts. Maintain humidity levels, as indoor heating can dry out the air.
☀️ Summer: Water more frequently in summer as the plant actively grows. Protect from direct sunlight to prevent scorching. Increase humidity by misting or using a humidifier.

Prickly Poppy Care Tips

Prickly Poppy is primarily an outdoor plant and is very difficult to grow indoors due to its high light requirements and need for well-drained soil. Attempting to grow it indoors will likely result in a weak, leggy plant that does not flower well. It requires full sun and careful watering to thrive.

  • Ensure well-draining soil to prevent root rot.
  • Provide full sun for optimal flowering.
  • Deadhead spent flowers to encourage more blooms.
  • Monitor for pests and diseases regularly.
  • Avoid over-fertilizing.
❄️ Winter: The plant typically dies back in winter. Allow seed heads to dry for self-seeding or collect seeds for planting in spring.
☀️ Summer: Ensure adequate sunlight and monitor for pests. Water deeply during dry periods.

⚠️ Common Problems & Solutions — Plant Care Comparison

Lace Fern

Common Issues: Brown, crispy fronds; Yellowing fronds; Root rot; Scale insects
Solutions: Brown, crispy fronds: Increase humidity by misting regularly or using a humidifier. Yellowing fronds: Check for overwatering or nutrient deficiency. Adjust watering schedule and fertilize if needed. Root rot: Ensure proper drainage and avoid overwatering. Repot in fresh soil if necessary. Scale insects: Wipe off with a damp cloth or use insecticidal soap.

Prickly Poppy

Common Issues: Root rot, powdery mildew, aphids
Solutions: Ensure well-draining soil and avoid overwatering for root rot. Treat powdery mildew with a fungicide. Control aphids with insecticidal soap or neem oil.

❓ Frequently Asked Questions — Comparing These Plants

Lace Fern

What are the light requirements for Lace Fern?

Lace Ferns require bright, indirect light to thrive. Direct sunlight can burn their delicate fronds, causing them to turn brown and crispy. An east-facing window is often ideal, providing gentle morning sun. A north-facing window can also work, but be sure the fern receives sufficient ambient light. If your Lace Fern is placed in a location with less natural light, consider supplementing with a grow light. Avoid placing the fern near south- or west-facing windows without a sheer curtain to filter the harsh sunlight. Rotate the plant regularly to ensure even light exposure and prevent it from leaning towards the light source. Observe the fronds for signs of insufficient light, such as pale green color or leggy growth.

How do I care for Lace Fern?

Lace Ferns thrive in bright, indirect light. Avoid direct sunlight, which can scorch their delicate fronds. Water regularly, keeping the soil consistently moist but not waterlogged. Use well-draining potting mix to prevent root rot. Maintain high humidity levels by misting regularly, using a humidifier, or placing the fern on a pebble tray filled with water. Fertilize monthly during the growing season (spring and summer) with a diluted liquid fertilizer formulated for ferns. Repot annually in the spring to refresh the soil and provide room for growth. Prune away any dead or yellowing fronds to encourage new growth and maintain a tidy appearance. Protect from drafts and sudden temperature changes. Monitor for pests such as spider mites and scale, and treat promptly if detected.

How do I propagate Lace Fern?

Lace Ferns can be propagated by division or spores. For division, carefully separate the rhizomes during repotting, ensuring each division has healthy roots and fronds. Plant each division in its own pot with well-draining potting mix. For spore propagation, collect spores from mature fronds and sow them on a sterile potting mix. Cover with a plastic dome to maintain high humidity. Keep the mix consistently moist and provide bright, indirect light. Spores can take several weeks to germinate, and it will be several months before you have a plant large enough to pot up. Division is the much easier and faster method.

Prickly Poppy

What are the light requirements for Prickly Poppy?

Prickly Poppies require a minimum of six to eight hours of direct sunlight per day to thrive and produce abundant blooms. Insufficient light can result in leggy growth, reduced flowering, and pale foliage. When planting Prickly Poppies, choose a location that receives full sun throughout the day. If growing them indoors, place them near a south-facing window where they can receive ample sunlight. Rotate the plants regularly to ensure even light exposure on all sides. During periods of low light, such as winter, consider supplementing with grow lights to maintain healthy growth and flowering. Monitor the plants closely for signs of light stress, such as elongated stems or yellowing leaves, and adjust their light exposure accordingly.

How do I care for Prickly Poppy?

Prickly Poppies thrive in full sun and well-drained soil. Water sparingly, allowing the soil to dry out between waterings. Overwatering can lead to root rot. Fertilize lightly during the growing season with a balanced fertilizer to encourage blooming. Deadhead spent flowers to promote continued flowering. Provide support for taller varieties to prevent them from flopping over. Prickly Poppies are relatively low-maintenance and can tolerate poor soil conditions. However, they benefit from occasional weeding to prevent competition from other plants. In colder climates, they may be grown as annuals. Be mindful of the plant’s prickly nature when handling it. Ensure adequate spacing between plants to allow for air circulation. Monitor for pests and diseases, and treat promptly if necessary.

How do I propagate Prickly Poppy?

Prickly Poppies are primarily propagated by seed. Collect seeds from dried seed pods in the fall. Sow the seeds directly into the garden in early spring or late fall. Choose a location with full sun and well-drained soil. Lightly rake the seeds into the soil surface and water gently. Keep the soil moist until germination occurs. Seedlings should emerge within a few weeks. Thin the seedlings to allow for adequate spacing between plants. Alternatively, seeds can be started indoors in seed trays and transplanted outdoors after the last frost. Prickly Poppies do not propagate well through division or cuttings due to their taproot system and sensitivity to disturbance. Ensure the plant is well-established before attempting any propagation method.

Last updated: April 21, 2026 — Plant care data reviewed and verified by our editorial team.