Flowering Onion vs Monkey Puzzle Tree Plant Comparison

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

Flowering Onion

Flowering Onion

Allium spp.

VS
Monkey Puzzle Tree

Monkey Puzzle Tree

Araucaria araucana

Flowering Onion

Flowering Onion

Allium spp.

Flowering onions, or ornamental alliums, are bulbous perennials grown for their showy, spherical flower heads composed of numerous small, star-shaped flowers. They come in various sizes and colors, ranging from white and pink to purple and deep burgundy. Most are outdoor plants, thriving in gardens and borders. While some smaller varieties can be grown in containers, they are not ideally suited for indoor environments due to their high light requirements and dormancy needs. People grow them for their striking blooms, architectural interest, and ability to attract pollinators.

Amaryllidaceae Various species originate from different regions, including Europe, Asia, and North America.
✨ Features: Attracts pollinators, deer-resistant, long-lasting blooms.
📖 Read Complete Flowering Onion Guide
Monkey Puzzle Tree

Monkey Puzzle Tree

Araucaria araucana

The Monkey Puzzle Tree is an ancient evergreen conifer known for its distinctive, scale-like leaves and unusual branching pattern. It is a slow-growing, dioecious tree, meaning male and female cones are borne on separate plants. Native to the Andes, it can live for over 1,000 years. While highly prized as an ornamental tree for its unique appearance, it is primarily an outdoor plant and extremely challenging to grow indoors due to its size and specific environmental needs. People grow it for its striking architectural form and historical significance.

Araucariaceae Chile and Argentina (Andes Mountains)
✨ Features: Unique architectural form, ancient lineage, drought tolerance once established.
📖 Read Complete Monkey Puzzle Tree Guide

Quick Plant Comparison

Feature Flowering Onion Monkey Puzzle Tree
Light Full sun (at least 6-8 hours of direct sunlight per day) Full sun (at least 6 hours of direct sunlight daily)
Watering Every 1-2 weeks during the growing season, less frequently during dormancy. Every 1-2 weeks during the growing season, less frequently in winter.
Humidity 40-60% 30-50%
Temperature 15-25°C 5-25°C
Care Level Expert Expert
Growth Rate Moderate Slow
Max Height Variable, depending on the species, but typically 30-150 cm outdoors. Indoors, expect smaller sizes if grown in containers. Rarely exceeds 2 meters indoors, but can reach 30-40 meters outdoors.
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining soil, such as a mix of potting soil, sand, and perlite. Well-draining, slightly acidic soil. A mix of sandy loam and peat moss is suitable.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 10 minutes weekly during the growing season. 15 minutes weekly (mostly watering and checking for pests)

🔬 Botanical Information — Comparing These Plants

Flowering Onion

Scientific Name Allium spp.
Family Amaryllidaceae
Native To Various species originate from different regions, including Europe, Asia, and North America.
Also Known As Flowering Onion, Ornamental Onion, Allium
Leaves The leaves are typically linear or strap-shaped, often with a bluish-green hue. They emerge from the base of the plant and may wither as the plant flowers.
Flowers Flowering onions produce showy, spherical flower heads composed of numerous small, star-shaped flowers. The flowers come in various colors, including white, pink, purple, and burgundy. They rarely flower indoors due to light requirements.

Monkey Puzzle Tree

Scientific Name Araucaria araucana
Family Araucariaceae
Native To Chile and Argentina (Andes Mountains)
Also Known As Monkey Puzzle Tree, Chilean Pine, Pehuén
Leaves The leaves are scale-like, stiff, and sharply pointed, measuring 3-5 cm long. They are dark green in color and arranged spirally around the branches, completely covering them. The leaves persist for many years, giving the tree a dense and evergreen appearance.
Flowers Monkey Puzzle Trees rarely flower indoors. Outdoors, male cones are cylindrical and release pollen, while female cones are spherical and develop into large, edible seeds.

📏 Size & Growth — Plant Comparison

Flowering Onion

Height Variable, depending on the species, but typically 30-150 cm outdoors. Indoors, expect smaller sizes if grown in containers.
Spread Variable, depending on the species, typically 15-30 cm. Some species can spread via bulb offsets.
Growth Rate Moderate
Growth Pattern Upright, with basal leaves emerging from the bulb and a tall flower stalk rising above the foliage. The flower heads are typically spherical and composed of numerous small flowers.

Monkey Puzzle Tree

Height Rarely exceeds 2 meters indoors, but can reach 30-40 meters outdoors.
Spread Up to 1 meter indoors, significantly wider outdoors.
Growth Rate Slow
Growth Pattern The Monkey Puzzle Tree grows upright with a pyramidal shape when young, gradually developing a more rounded or irregular crown as it matures. Branches are typically whorled and densely covered with sharp, overlapping leaves.

🌱 Propagation — Comparing Plant Growth

Flowering Onion

Methods: Bulb offsets, Seed

Difficulty: Moderate

Tips: Separate bulb offsets from the main bulb in the fall and replant them. Sow seeds in the spring after a period of cold stratification.

Monkey Puzzle Tree

Methods: Seed, Cuttings (difficult)

Difficulty: Difficult

Tips: Propagation from seed is the most reliable method, but requires stratification. Cuttings are difficult to root.

✨ Benefits & Features — Comparing Plant Value

Flowering Onion

Flowering onions are known for their distinctive spherical flower heads, which can range in size from a golf ball to a softball. They offer a unique architectural element in the garden and attract beneficial insects.

  • ✓ Attracts pollinators to the garden
  • ✓ Deer-resistant, protecting other plants
  • ✓ Adds architectural interest with unique flower shapes
  • ✓ Provides long-lasting blooms for visual appeal
  • ✓ Low-maintenance once established
  • ⚠️ Toxic to pets

Monkey Puzzle Tree

The Monkey Puzzle Tree is unique due to its ancient lineage, distinctive scale-like leaves, and unusual branching pattern. Its sharp, pointed leaves make it resistant to browsing by herbivores, and its dioecious nature adds to its reproductive complexity.

  • ✓ Provides a unique and striking aesthetic to the landscape.
  • ✓ Offers a connection to ancient plant lineages.
  • ✓ Drought-tolerant once established, reducing water needs.
  • ✓ Provides habitat for wildlife in suitable outdoor environments.
  • ✓ Can increase property value due to its rarity and visual appeal.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Flowering Onion

Repotting Not typically repotted if grown outdoors. If grown in containers, repot every 2-3 years in fresh soil.
Pruning Remove spent flower heads to prevent seed formation and encourage bulb growth. Cut back foliage after it has completely died back in the fall.
Fertilizing Balanced fertilizer (10-10-10) diluted to half strength, applied once in early spring and again after flowering.
Seasonal Care In spring, fertilize and water regularly as new growth emerges. In summer, enjoy the blooms. In fall, allow foliage to die back naturally and reduce watering. In winter, provide a dry, cool dormancy period.

Monkey Puzzle Tree

Repotting Repot young plants every 2-3 years. Mature trees rarely need repotting if grown in containers.
Pruning Minimal pruning is required. Remove dead or damaged branches as needed.
Fertilizing Use a balanced, slow-release fertilizer in spring. Avoid over-fertilizing.
Seasonal Care In winter, reduce watering and protect from extreme cold. In summer, ensure adequate sunlight and water during dry periods.

🌞 Light Requirements

Flowering Onion

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

Low light tolerant: ❌ No

Monkey Puzzle Tree

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

Low light tolerant: ❌ No

💧 Watering Needs

Flowering Onion

Water thoroughly when the top inch of soil is dry. Avoid overwatering, which can lead to bulb rot. Reduce watering during dormancy. Signs of overwatering include yellowing leaves and a mushy bulb. Underwatering is indicated by wilting leaves and stunted growth.

Monkey Puzzle Tree

Water deeply when the soil is dry to the touch, especially during the growing season. Avoid overwatering, as this can lead to root rot. Ensure good drainage. Reduce watering in winter.

🌡️ Temperature & Humidity

Flowering Onion

Temperature: 15-25°C

Humidity: 40-60%

Monkey Puzzle Tree

Temperature: 5-25°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Flowering Onion

Flowering Onion

Allium spp.
Care: Expert Time: 10 minutes weekly during the growing season. Beginner: No

Gardeners looking for striking, low-maintenance perennials to add architectural interest and attract pollinators to their outdoor spaces.

✅ Choose This Plant If...

  • You want a deer-resistant plant for your garden
  • You want to attract pollinators like bees and butterflies
  • You appreciate unique, globe-shaped flowers
  • You have a sunny garden space
  • You want a low-maintenance perennial that returns year after year

❌ 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: Outdoor garden beds, borders, or rock gardens with full sun exposure.
🎨 Style: Cottage, Naturalistic, Modern
🏠 Apartment Friendly: No
⚠️ All parts of the plant, especially the bulbs, contain organosulfides that can cause gastrointestinal upset, anemia, and damage to red blood cells in dogs, cats, and horses. Symptoms include vomiting, diarrhea, weakness, and loss of appetite.
Monkey Puzzle Tree

Monkey Puzzle Tree

Araucaria araucana
Care: Expert Time: 15 minutes weekly (mostly watering and checking for pests) Beginner: No

Experienced gardeners in regions with suitable climates who want a unique and striking specimen tree.

✅ Choose This Plant If...

  • You have a large outdoor space with well-draining soil and full sun.
  • You live in a region with a mild, temperate climate.
  • You appreciate unique and ancient plant species.
  • You are an experienced gardener looking for a challenging project.
  • You want a striking focal point in your landscape.

❌ Skip This Plant If...

  • You have limited space indoors.
  • You live in a region with harsh winters or extremely hot summers.
  • You are a beginner gardener.
  • You have pets that might ingest the seeds.
  • You cannot provide full sun.
📍 Ideal Location: Outdoors in a large garden or park with full sun and well-draining soil. Not suitable for indoor environments.
🎨 Style: Architectural, Naturalistic, Woodland
🏠 Apartment Friendly: No
⚠️ The seeds are reported to be toxic to dogs, cats, and horses. Symptoms may include gastrointestinal upset.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Neither - caution
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

☀️

Flowering Onion needs full sun (at least 6-8 hours of direct sunlight per day), while Monkey Puzzle Tree prefers full sun (at least 6 hours of direct sunlight daily).

📈

Flowering Onion has moderate growth, while Monkey Puzzle Tree grows slow.

💡 Pro Tips For Comparing These Plants

Flowering Onion Care Tips

Flowering onions are primarily outdoor plants requiring full sun and well-draining soil. Indoor cultivation is challenging due to their high light needs and dormancy requirements. They are toxic to pets, so caution is needed if grown in areas accessible to animals. Regular watering and occasional fertilization are necessary for optimal growth.

  • Plant bulbs in well-draining soil to prevent rot
  • Provide full sun for optimal flowering
  • Water deeply but infrequently, allowing the soil to dry out between waterings
  • Fertilize in early spring and after flowering to promote bulb growth
  • Remove spent flower heads to encourage bulb development
❄️ Winter: Allow foliage to die back naturally. Provide a dry, cool dormancy period. Avoid overwatering.
☀️ Summer: Water regularly during dry periods. Provide support for tall flower stalks if needed. Monitor for pests and diseases.

Monkey Puzzle Tree Care Tips

The Monkey Puzzle Tree is extremely challenging to grow indoors. It requires very bright light, well-draining soil, and careful watering. Its large size and slow growth rate make it unsuitable for most indoor environments. Maintaining proper humidity and temperature is also crucial.

  • Ensure excellent drainage to prevent root rot.
  • Provide full sun for optimal growth and health.
  • Protect young trees from extreme cold and wind.
  • Monitor for pests and diseases regularly.
  • Avoid over-fertilizing, which can damage the roots.
❄️ Winter: Protect young trees from frost and wind. Reduce watering significantly. Avoid fertilizing during dormancy.
☀️ Summer: Ensure adequate watering during dry periods. Provide shade during the hottest part of the day in extremely hot climates. Monitor for pests and diseases.

⚠️ Common Problems & Solutions — Plant Care Comparison

Flowering Onion

Common Issues: Bulb rot, Onion white rot, Allium leaf miner, Aphids
Solutions: Ensure well-draining soil and avoid overwatering to prevent bulb rot. Remove and destroy infected plants to control onion white rot. Use insecticidal soap to control allium leaf miner and aphids.

Monkey Puzzle Tree

Common Issues: Root rot, spider mites, scale insects, nutrient deficiencies
Solutions: Ensure proper drainage to prevent root rot. Treat spider mites and scale with insecticidal soap. Fertilize with a balanced fertilizer to address nutrient deficiencies.

❓ Frequently Asked Questions — Comparing These Plants

Flowering Onion

What are the light requirements for Flowering Onion?

Flowering Onions need ample sunlight to produce vibrant blooms. Aim for at least 6 hours of direct sunlight per day. If growing indoors, place them near a south-facing window where they can receive the most sunlight. Insufficient light can result in weak stems, pale foliage, and a lack of flowers. If natural light is limited, supplement with grow lights to provide the necessary intensity. Rotate the plant regularly to ensure even light exposure on all sides. Consider using a light meter to measure the light intensity and adjust the plant’s position accordingly.

How do I care for Flowering Onion?

Flowering Onions thrive in well-draining soil and require full sun to partial shade for optimal growth and flowering. Water thoroughly when the top inch of soil feels dry, allowing excess water to drain away. Avoid overwatering, as this can lead to bulb rot. Fertilize during the growing season (spring and summer) with a balanced, slow-release fertilizer or a liquid feed diluted to half strength every 2-4 weeks to promote abundant blooms. Deadhead spent flowers to encourage further blooming and prevent seed production. Protect from frost in colder climates by mulching heavily or moving potted plants indoors. Repot every 2-3 years as needed, using a pot slightly larger than the previous one. Ensure good air circulation around the plants to prevent fungal diseases.

How do I propagate Flowering Onion?

Flowering Onions can be propagated through division, a relatively simple method. In the fall, after the foliage has died back, carefully dig up the bulbs. Separate the smaller bulblets from the main bulb. Replant the bulblets in well-draining soil, spacing them a few inches apart. Water thoroughly and mulch to protect them from frost. They may take a year or two to reach flowering size. Stem cuttings and keiki propagation are not applicable to Flowering Onions, as they are bulbous plants. Division is the primary method for increasing your stock of these beautiful plants. Ensure the bulblets have some roots attached for best results.

Monkey Puzzle Tree

What are the light requirements for Monkey Puzzle Tree?

Monkey Puzzle Trees thrive in bright, indirect light indoors. Avoid placing them in direct sunlight, especially during the hottest part of the day, as this can scorch their leaves. An east-facing window is often ideal, providing gentle morning light. A south- or west-facing window can work if you diffuse the light with a sheer curtain. Insufficient light can lead to weak growth and sparse foliage. Rotate the plant regularly to ensure even light exposure on all sides. Supplement with artificial grow lights if natural light is limited, especially during winter months.

How do I care for Monkey Puzzle Tree?

Monkey Puzzle Trees require bright, indirect light indoors. Direct sunlight can scorch their foliage. Water thoroughly when the top inch of soil feels dry, but avoid overwatering, as this can lead to root rot. Use well-draining potting mix. Maintain moderate humidity levels. Fertilize sparingly, only during the growing season (spring and summer) with a balanced, diluted liquid fertilizer. Repot only when necessary, as they prefer to be slightly root-bound. Prune only to remove dead or damaged branches. Provide stable temperature and humidity. Regular cleaning of the leaves will help with photosynthesis. Pot size should be adequate for root growth but not excessively large.

How do I propagate Monkey Puzzle Tree?

Propagating Monkey Puzzle Trees indoors is challenging but possible. Stem cuttings are difficult to root. Take stem cuttings in spring or early summer, ideally from the current year’s growth. Apply rooting hormone to the cut end and plant in a well-draining potting mix. Maintain high humidity by covering the cutting with a plastic bag or humidity dome. Air layering is another potential method. Make a shallow cut on a branch, wrap it with moist sphagnum moss, and cover with plastic wrap. Once roots develop, sever the branch below the moss and pot it up. Be patient, as rooting can take several months.

Last updated: May 13, 2026 — Plant care data reviewed and verified by our editorial team.