Norway Maple vs Wallflower Plant Comparison

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

Norway Maple

Norway Maple

Acer platanoides

VS
Wallflower

Wallflower

Erysimum cheiri

Norway Maple

Norway Maple

Acer platanoides

The Norway Maple is a deciduous tree typically reaching heights of 20-30 meters (65-100 feet). It has a rounded crown and smooth gray bark that becomes furrowed with age. The leaves are palmate, with 5-7 lobes, and typically turn yellow in the fall, though some cultivars display orange or red hues. It's primarily an outdoor tree, valued for its shade, ornamental qualities, and adaptability to various soil conditions. It is not naturally an indoor plant and will not thrive indoors.

Sapindaceae Native to eastern and central Europe and southwestern Asia
✨ Features: Provides shade, ornamental value with fall color, adaptable to various soil conditions.
📖 Read Complete Norway Maple 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 Norway Maple Wallflower
Light Full sun to partial shade Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal flowering.
Watering Water deeply 1-2 times per week during the first year after planting, then as needed during dry spells. Every 7-10 days, depending on weather and soil drainage.
Humidity 30-50% 30-50%
Temperature 10-25°C 10-21°C
Care Level Expert Expert
Growth Rate Fast Moderate
Max Height N/A (Outdoor tree, unsuitable for indoor growing) 30-75 cm (outdoors)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-drained soil; adaptable to a wide range of soil types, including clay, loam, and sand. Well-draining, fertile soil. A mix of garden soil, compost, and perlite is suitable.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 1-2 hours per year for pruning and leaf cleanup. 15 minutes weekly

🔬 Botanical Information — Comparing These Plants

Norway Maple

Scientific Name Acer platanoides
Family Sapindaceae
Native To Native to eastern and central Europe and southwestern Asia
Also Known As Norway Maple
Leaves The leaves are palmate, with 5-7 lobes, each lobe having pointed tips. They are typically 10-20 cm (4-8 inches) wide and long. The color is usually dark green, turning yellow in the fall, although some cultivars have red or purple foliage.
Flowers The Norway Maple produces small, yellowish-green flowers in spring before the leaves emerge. It does not flower indoors.

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

Norway Maple

Height N/A (Outdoor tree, unsuitable for indoor growing)
Spread N/A (Outdoor tree, unsuitable for indoor growing)
Growth Rate Fast
Growth Pattern Upright, branching tree with a rounded crown. It can grow to a significant size, typically 20-30 meters (65-100 feet) tall.

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

Norway Maple

Methods: Seed, grafting, budding

Difficulty: Moderate

Tips: Collect seeds in the fall, stratify them over winter, and sow in spring. Grafting and budding are used to propagate specific cultivars.

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

Norway Maple

The Norway Maple is known for its tolerance of urban conditions, including pollution and compacted soils. It also has a dense canopy that provides ample shade. Its aggressive seeding can make it invasive in some areas.

  • ✓ Provides shade during hot weather.
  • ✓ Enhances the aesthetic appeal of a landscape with its foliage.
  • ✓ Offers habitat for birds and other wildlife.
  • ✓ Can help reduce soil erosion.
  • ✓ Relatively fast-growing for quicker shade.
  • ⚠️ 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

Norway Maple

Repotting N/A (Outdoor tree, unsuitable for indoor growing)
Pruning Prune in late winter or early spring to remove dead, damaged, or crossing branches. Shape the tree as needed.
Fertilizing Apply a balanced fertilizer (10-10-10) in early spring before new growth emerges. Follow package instructions for application rates.
Seasonal Care Spring: Fertilize before new growth. Summer: Monitor for pests and water during dry periods. Fall: Rake and dispose of fallen leaves. Winter: Protect young trees from frost damage.

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

Norway Maple

Full sun to partial shade

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

Norway Maple

Water deeply when planting and during dry periods, especially when young. Established trees are relatively drought-tolerant. Overwatering can lead to root rot, indicated by yellowing leaves and a decline in overall health. Underwatering can cause leaf scorch and premature leaf drop.

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

Norway Maple

Temperature: 10-25°C

Humidity: 30-50%

Wallflower

Temperature: 10-21°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Norway Maple

Norway Maple

Acer platanoides
Care: Expert Time: 1-2 hours per year for pruning and leaf cleanup. Beginner: No

Landowners seeking a shade tree for large properties.

✅ Choose This Plant If...

  • You have a large yard or property and need a shade tree.
  • You want a tree with vibrant fall foliage.
  • You need a tree that can tolerate a variety of soil conditions.
  • You are looking for a relatively fast-growing tree.
  • You are aware of its potential invasiveness and are prepared to manage its spread.

❌ Skip This Plant If...

  • You have a small yard or garden.
  • You live in an area where Norway Maples are considered invasive.
  • You are looking for a low-maintenance tree.
  • You have pets that might ingest parts of the tree.
  • You want a tree that will thrive indoors.
📍 Ideal Location: Outdoor landscape, large yard or park
🎨 Style: Traditional, Natural
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Norway Maple contains compounds that are toxic to horses. Symptoms include hemolytic anemia and methemoglobinemia. While the ASPCA does not list Norway Maple as toxic to dogs or cats, other sources suggest caution due to potential cyanide compounds in the leaves and seeds. It is best to prevent pets from ingesting any part of the tree.
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

📈

Norway Maple has fast growth, while Wallflower grows moderate.

💡 Pro Tips For Comparing These Plants

Norway Maple Care Tips

Norway Maple is an outdoor tree and is not suitable for indoor cultivation. Maintaining it indoors would be extremely challenging due to its size, light requirements, and dormancy needs. It requires full sun, well-drained soil, and seasonal temperature changes to thrive.

  • Plant in well-drained soil to prevent root rot.
  • Water deeply during the first year after planting to establish a strong root system.
  • Prune regularly to remove dead or damaged branches and maintain shape.
  • Monitor for pests and diseases and treat promptly.
  • Rake and dispose of fallen leaves in the fall to prevent the spread of tar spot.
❄️ Winter: Protect young trees from frost damage by wrapping the trunk with burlap. Reduce watering during dormancy.
☀️ Summer: Water deeply during dry periods. Monitor for pests and diseases. Provide shade for young trees during the hottest part of the day.

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

Norway Maple

Common Issues: Aphids, verticillium wilt, tar spot, girdling roots
Solutions: Aphids: Treat with insecticidal soap or neem oil. Verticillium wilt: Prune affected branches and improve soil drainage. Tar spot: Rake and dispose of fallen leaves in the fall. Girdling roots: Correct by cutting or removing the offending roots.

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

Norway Maple

What are the light requirements for Norway Maple?

Norway Maples grown indoors need bright, indirect light to flourish. Direct sunlight can scorch their leaves, especially during the hottest parts of the day. An east-facing window that receives morning sun or a west-facing window with filtered afternoon light is ideal. If you don’t have access to sufficient natural light, supplement with grow lights. Insufficient light can lead to leggy growth and a lack of vibrant leaf color. Rotate your plant regularly to ensure all sides receive adequate light exposure, promoting even growth.

How do I care for Norway Maple?

The Norway Maple, when grown indoors, requires specific care to thrive. Place it in a location with bright, indirect sunlight. Water thoroughly when the top inch of soil is dry, ensuring proper drainage to prevent root rot. Maintain moderate humidity levels, especially during dry winter months, by misting the leaves or using a humidifier. Use a well-draining potting mix and fertilize monthly during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Prune regularly to maintain shape and size, removing any dead or diseased branches. Repot every 2-3 years into a slightly larger pot to accommodate root growth. Maintain stable temperatures between 60-75°F (15-24°C) and protect from drafts. Rotate the plant periodically to ensure even growth on all sides.

How do I propagate Norway Maple?

Norway Maples can be propagated through stem cuttings or air layering.

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 3, 2026 — Plant care data reviewed and verified by our editorial team.