Puka vs Wallflower Plant Comparison

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

Puka

Puka

Meryta sinclairii

VS
Wallflower

Wallflower

Erysimum cheiri

Puka

Puka

Meryta sinclairii

Meryta sinclairii, commonly known as the Puka Tree, is a striking evergreen tree native to New Zealand. It is characterized by its large, leathery, paddle-shaped leaves that can grow up to 50 cm long. The tree typically grows to a height of 4-8 meters in its natural habitat, but is much smaller when container grown. It is primarily grown for its bold foliage and architectural form. While it can be grown indoors, it requires very bright light and high humidity to thrive, making it a challenging houseplant. It is more commonly cultivated as an ornamental tree in subtropical and warm temperate gardens.

Araliaceae New Zealand
✨ Features: Bold foliage, architectural form
📖 Read Complete Puka 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 Puka Wallflower
Light Full sun to partial shade. Requires very bright light indoors. Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal flowering.
Watering Every 1-2 weeks, depending on light and temperature. Every 7-10 days, depending on weather and soil drainage.
Humidity 60-80% 30-50%
Temperature 18-24°C 10-21°C
Care Level Expert Expert
Growth Rate Moderate Moderate
Max Height 1-2 meters (indoors) 30-75 cm (outdoors)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining potting mix with added perlite or orchid bark. Well-draining, fertile soil. A mix of garden soil, compost, and perlite is suitable.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes weekly 15 minutes weekly

🔬 Botanical Information — Comparing These Plants

Puka

Scientific Name Meryta sinclairii
Family Araliaceae
Native To New Zealand
Also Known As Puka Tree
Leaves The leaves are large, leathery, and paddle-shaped, measuring up to 50 cm long and 20 cm wide. They are a deep green color with prominent veins and a glossy surface. The edges of the leaves are often slightly wavy.
Flowers The Puka Tree rarely flowers indoors. In its natural habitat, it produces clusters of small, greenish-white flowers followed by dark purple berries.

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

Puka

Height 1-2 meters (indoors)
Spread 0.5-1 meter
Growth Rate Moderate
Growth Pattern The Puka Tree grows upright with a single trunk or multiple stems. It develops a somewhat sparse, open crown with large leaves clustered at the ends of the branches.

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

Puka

Methods: Seed, Stem cuttings

Difficulty: Moderate

Tips: Take stem cuttings in spring or summer. Use rooting hormone and provide high humidity. Seeds can be sown in spring after soaking in warm water for 24 hours.

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

Puka

The Puka Tree is distinguished by its exceptionally large, leathery leaves, giving it a bold and dramatic appearance. Its architectural form and relatively slow growth make it a unique statement piece.

  • ✓ Adds a tropical aesthetic to your home.
  • ✓ Provides a unique and eye-catching focal point.
  • ✓ Can improve indoor air quality (though not specifically studied).
  • ✓ Offers a rewarding challenge for experienced plant owners.
  • ✓ Creates a sense of connection to nature.
  • ⚠️ 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

Puka

Repotting Every 2-3 years, or when the plant becomes root-bound.
Pruning Prune to maintain shape and remove dead or damaged leaves. Prune in spring or summer.
Fertilizing Balanced liquid fertilizer diluted to half strength, every 4-6 weeks during the growing season (spring and summer).
Seasonal Care Reduce watering in winter. Provide supplemental light if needed. Increase watering and fertilization during the growing season (spring and summer).

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

Puka

Full sun to partial shade. Requires very bright light indoors.

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

Puka

Water thoroughly when the top inch of soil is dry. Ensure good drainage to prevent root rot. Overwatering can lead to yellowing leaves and root rot. Underwatering can cause leaf drop and stunted growth.

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

Puka

Temperature: 18-24°C

Humidity: 60-80%

Wallflower

Temperature: 10-21°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Puka

Puka

Meryta sinclairii
Care: Expert Time: 30 minutes weekly Beginner: No

Experienced plant enthusiasts who can provide the specific conditions this plant needs.

✅ Choose This Plant If...

  • You want a statement plant with bold foliage.
  • You can provide very bright light and high humidity.
  • You enjoy a challenge and have experience with demanding plants.
  • You want to bring a touch of the tropics into your home.
  • You are fascinated by unique and unusual plants.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You cannot provide very bright light.
  • You struggle with maintaining high humidity.
  • You are a beginner plant owner.
  • You prefer low-maintenance plants.
📍 Ideal Location: Brightest room in the house, near a south-facing window, or in a sunroom.
🎨 Style: Tropical, Modern, Architectural
🏠 Apartment Friendly: Limited
⚠️ The ASPCA lists Meryta species as toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, and dermatitis. All parts of the plant are considered toxic.
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

Puka Care Tips

Puka Trees are challenging to grow indoors due to their high light and humidity requirements. They need very bright light, well-draining soil, and consistent moisture. Regular fertilization and pruning are necessary to maintain their shape. They are prone to pests and diseases if not properly cared for.

  • Provide supplemental light if natural light is insufficient.
  • Mist regularly to increase humidity or use a humidifier.
  • Ensure excellent drainage to prevent root rot.
  • Fertilize regularly during the growing season.
  • Inspect regularly for pests and diseases.
❄️ Winter: Reduce watering frequency. Provide supplemental light if needed. Maintain a temperature above 10°C. Avoid fertilizing during the winter months.
☀️ Summer: Increase watering frequency. Provide shade during the hottest part of the day. Fertilize regularly during the growing season.

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

Puka

Common Issues: Spider mites, scale, root rot, leaf drop
Solutions: Treat spider mites and scale with insecticidal soap or neem oil. Prevent root rot by ensuring good drainage and avoiding overwatering. Increase humidity to prevent leaf drop.

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

Puka

What are the light requirements for Puka?

Puka trees prefer bright, indirect light. Direct sunlight can scorch their leaves, so avoid placing them in direct contact with intense sun. An east-facing window is ideal, providing gentle morning light. A north-facing window can also work, but the plant may grow more slowly. If you only have south- or west-facing windows, place the Puka tree a few feet away from the window or use sheer curtains to filter the light. Insufficient light can lead to leggy growth and a lack of vibrancy in the leaves. Rotate the plant regularly to ensure even light exposure on all sides.

How do I care for Puka?

Puka trees thrive in bright, indirect light, but can tolerate lower light conditions. Water when the top inch of soil is dry, allowing the soil to dry out slightly between waterings. Avoid overwatering, which can lead to root rot. Use a well-draining potting mix. Maintain moderate humidity levels. Fertilize every 2-3 months during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Prune to maintain shape and remove any dead or yellowing leaves. Repot every 1-2 years, or when the plant becomes root-bound, using a pot that is one size larger. Provide stable temperatures between 65-80°F (18-27°C). Protect from drafts and sudden temperature changes. Watch out for pests such as spider mites and mealybugs, and treat promptly if detected.

How do I propagate Puka?

Puka trees can be propagated through stem cuttings or air layering. For stem cuttings, take a 4-6 inch cutting from a healthy stem. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cutting in a well-draining potting mix. Keep the soil moist and provide bright, indirect light. Rooting should occur in 4-6 weeks. For air layering, make a small cut on a stem and wrap it with moist sphagnum moss. Cover the moss with plastic wrap and secure it with tape. Keep the moss moist. Roots should form within a few weeks. Once roots are visible, cut the stem below the rooted section and plant it in 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 11, 2026 — Plant care data reviewed and verified by our editorial team.