Artillery Plant vs King Palm Plant Comparison

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

Artillery Plant

Artillery Plant

Pilea microphylla

VS
King Palm

King Palm

Archontophoenix alexandrae

Artillery Plant

Artillery Plant

Pilea microphylla

The Artillery Plant (Pilea microphylla) is a fast-growing, bushy plant known for its unique method of pollen dispersal. It's characterized by its tiny, bright green leaves that densely cover its delicate stems, giving it a fern-like appearance. The plant gets its name from its ability to explosively eject pollen into the air when disturbed, resembling tiny bursts of artillery fire. While it can be grown indoors, it thrives in humid, warm conditions, often performing better in greenhouses or terrariums. People grow it for its interesting foliage and unusual pollen-shooting behavior.

Urticaceae Tropical Americas and West Indies
✨ Features: Unique pollen dispersal mechanism.
📖 Read Complete Artillery Plant Guide
King Palm

King Palm

Archontophoenix alexandrae

The King Palm is a majestic, single-trunked palm tree known for its smooth, gray trunk and arching, feathery fronds. It is native to the rainforests of Queensland, Australia, and is primarily an outdoor plant, reaching impressive heights in its natural habitat. People grow it for its tropical appearance, adding a touch of elegance and grandeur to landscapes. While it can be attempted indoors, it requires very specific conditions and ample space, making it a challenging houseplant. It is prized for its fast growth (outdoors) and relatively low maintenance once established in the right environment.

Arecaceae Australia (Queensland)
✨ Features: Adds a tropical aesthetic to landscapes.
📖 Read Complete King Palm Guide

Quick Plant Comparison

Feature Artillery Plant King Palm
Light Bright indirect light to partial shade. Avoid direct sunlight, which can scorch the leaves. Full sun to partial shade. Requires at least 6 hours of direct sunlight daily when grown outdoors.
Watering Every 3-7 days, depending on environmental conditions and pot size. Outdoors: Every 1-2 weeks depending on rainfall and temperature. Indoors (if attempted): Every 2-3 weeks, allowing soil to dry significantly between waterings.
Humidity 60-80% 40-60%
Temperature 18-24°C 18-27°C
Care Level Moderate Expert
Growth Rate Fast Fast
Max Height 15-30 cm Indoors: Rarely exceeds 2-3 meters (6-10 feet) due to space constraints. Outdoors: Up to 15-20 meters (50-65 feet).
Pet Safety ✅ Safe ✅ Safe
Soil Well-draining potting mix, such as a mix of peat moss, perlite, and vermiculite. Well-draining, sandy loam soil. A mix of potting soil, perlite, and sand is suitable.
Beginner Friendly With Caution ❌ No
Weekly Maintenance 10 minutes weekly 15-30 minutes weekly (primarily watering and occasional pruning).

🔬 Botanical Information — Comparing These Plants

Artillery Plant

Scientific Name Pilea microphylla
Family Urticaceae
Native To Tropical Americas and West Indies
Also Known As Artillery Plant, Rockweed, Gunpowder Plant
Leaves The leaves of Pilea microphylla are tiny, measuring only a few millimeters in length. They are bright green in color and have a delicate, almost translucent appearance. The leaves are oval-shaped and have a smooth texture. They are densely packed along the stems, giving the plant a lush and full look.
Flowers The artillery plant produces tiny, inconspicuous flowers that are rarely seen indoors. The plant is primarily grown for its foliage rather than its flowers. The flowers are responsible for the plant's unique pollen dispersal mechanism.

King Palm

Scientific Name Archontophoenix alexandrae
Family Arecaceae
Native To Australia (Queensland)
Also Known As King Palm, Alexandra Palm
Leaves Pinnate (feather-like) fronds, 2-3 meters (6-10 feet) long, with numerous leaflets. The leaflets are lance-shaped, glossy green, and arranged in two rows along the rachis (central stem).
Flowers King Palms produce creamy white flowers in large inflorescences (flower clusters) below the crownshaft. Flowering is more common outdoors in mature specimens. Rarely flowers indoors.

📏 Size & Growth — Plant Comparison

Artillery Plant

Height 15-30 cm
Spread 30-60 cm
Growth Rate Fast
Growth Pattern The artillery plant grows in a bushy, upright habit. It has delicate, branching stems that are densely covered with tiny leaves, creating a compact and rounded shape. Regular pruning can help maintain its shape and encourage denser growth.

King Palm

Height Indoors: Rarely exceeds 2-3 meters (6-10 feet) due to space constraints. Outdoors: Up to 15-20 meters (50-65 feet).
Spread Indoors: 1-2 meters (3-6 feet). Outdoors: 3-5 meters (10-16 feet).
Growth Rate Fast
Growth Pattern Upright, single-trunked palm tree. It grows tall and straight, with a slightly swollen base. The fronds arch gracefully from the crown.

🌱 Propagation — Comparing Plant Growth

Artillery Plant

Methods: Stem cuttings, Division, Seed

Difficulty: Easy

Tips: Stem cuttings root easily in water or directly in moist soil. For division, gently separate the plant at the roots. Seeds can be sown in spring.

King Palm

Methods: Seed

Difficulty: Moderate

Tips: Soak seeds in warm water for 24 hours before planting in a well-draining seed-starting mix. Maintain consistent moisture and warmth (around 25-30°C). Germination can be slow and erratic.

✨ Benefits & Features — Comparing Plant Value

Artillery Plant

The artillery plant is unique due to its method of pollen dispersal, which involves explosively ejecting pollen into the air. This behavior is triggered by touch or even a slight breeze. Its tiny, bright green leaves also give it a distinctive, fern-like appearance.

  • ✓ Adds a touch of the tropics to your home.
  • ✓ Unique and interesting foliage.
  • ✓ Relatively easy to propagate.
  • ✓ Can be grown in small spaces.
  • ✓ Provides a calming, green aesthetic.
  • 🐾 Pet Safe

King Palm

The King Palm's smooth, gray trunk and arching, feathery fronds give it a regal appearance. It is a relatively fast-growing palm, making it a popular choice for landscaping. It is also self-cleaning, meaning it naturally sheds old fronds.

  • ✓ Creates a tropical ambiance in outdoor spaces.
  • ✓ Provides shade in sunny areas.
  • ✓ Adds a sense of grandeur and elegance to landscapes.
  • ✓ Can increase property value with mature specimens.
  • ✓ Provides a habitat for local wildlife.
  • 🐾 Pet Safe

📅 Maintenance Schedule — Plant Care Comparison

Artillery Plant

Repotting Every 12-18 months, or when the plant becomes root-bound.
Pruning Pinch back stems regularly to maintain a bushy shape and encourage branching.
Fertilizing Balanced liquid fertilizer diluted to half strength, every 2-4 weeks during the growing season (spring and summer).
Seasonal Care Reduce watering in winter when growth slows. Increase humidity during dry winter months. Provide more light during shorter days.

King Palm

Repotting Repot young plants annually in spring. Mature plants in containers may only need repotting every 2-3 years.
Pruning Remove dead or yellowing fronds as needed. Avoid over-pruning.
Fertilizing Palm fertilizer with micronutrients, applied 2-3 times during the growing season (spring and summer) at half strength.
Seasonal Care Summer: Increase watering frequency and provide shade during the hottest part of the day. Winter: Reduce watering and protect from frost if temperatures drop below 10°C.

🌞 Light Requirements

Artillery Plant

Bright indirect light to partial shade. Avoid direct sunlight, which can scorch the leaves.

Low light tolerant: ✅ Yes

King Palm

Full sun to partial shade. Requires at least 6 hours of direct sunlight daily when grown outdoors.

Low light tolerant: ❌ No

💧 Watering Needs

Artillery Plant

Water thoroughly when the top inch of soil feels dry. Overwatering can lead to root rot, while underwatering will cause the leaves to droop and dry out. Ensure good drainage.

King Palm

Water deeply when the top inch of soil is dry. Overwatering can lead to root rot, indicated by yellowing fronds and a soft trunk base. Underwatering results in dry, brown leaf tips. Ensure excellent drainage.

🌡️ Temperature & Humidity

Artillery Plant

Temperature: 18-24°C

Humidity: 60-80%

King Palm

Temperature: 18-27°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Artillery Plant

Artillery Plant

Pilea microphylla
Care: Moderate Time: 10 minutes weekly Beginner: With-caution

Someone who enjoys unique foliage and is willing to provide high humidity.

✅ Choose This Plant If...

  • You want a plant with unique pollen dispersal.
  • You enjoy plants with delicate, fern-like foliage.
  • You can provide high humidity.
  • You want a relatively fast-growing plant.
  • You enjoy propagating plants from cuttings.

❌ Skip This Plant If...

  • You cannot provide high humidity.
  • You are prone to overwatering plants.
  • You dislike plants that require frequent pruning.
📍 Ideal Location: Bathroom, kitchen, or near a humidifier.
🎨 Style: Tropical, Bohemian, Eclectic
🏠 Apartment Friendly: Yes
⚠️ According to the ASPCA, Pilea microphylla is not toxic to dogs, cats, or horses.
King Palm

King Palm

Archontophoenix alexandrae
Care: Expert Time: 15-30 minutes weekly (primarily watering and occasional pruning). Beginner: No

Experienced gardeners in warm climates who want a statement palm for their landscape.

✅ Choose This Plant If...

  • You live in a warm, frost-free climate with plenty of sunlight.
  • You have ample outdoor space for a large palm tree to thrive.
  • You are an experienced gardener comfortable with the specific needs of palms.
  • You want to create a tropical landscape with a striking focal point.
  • You appreciate the elegant, feathery fronds and smooth trunk of this palm.

❌ Skip This Plant If...

  • You live in a cold climate with frequent frosts.
  • You have limited indoor space and cannot provide adequate sunlight.
  • You are a beginner gardener and prefer low-maintenance plants.
📍 Ideal Location: Outdoors in a sunny, sheltered location. Indoors: a sunroom or greenhouse with maximum light exposure.
🎨 Style: Tropical, Coastal, Exotic
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Archontophoenix alexandrae (King Palm) is not listed as toxic to dogs, cats, or horses.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Both safe ✓
Less Maintenance Similar effort
Apartment Friendly Artillery Plant

⚡ Key Differences Between These Plants

🎯

Artillery Plant is rated Moderate care level, while King Palm is Expert.

💡 Pro Tips For Comparing These Plants

Artillery Plant Care Tips

Artillery plants require bright, indirect light, high humidity, and consistent moisture. They can be prone to pests and diseases if not properly cared for. Regular pruning helps maintain a compact shape. While relatively easy, maintaining humidity is key for indoor success.

  • Maintain high humidity by misting regularly or using a humidifier.
  • Water thoroughly when the top inch of soil is dry, but avoid overwatering.
  • Provide bright, indirect light to prevent leaf scorch.
  • Pinch back stems regularly to encourage bushier growth.
  • Inspect regularly for pests and treat promptly.
❄️ Winter: Reduce watering frequency during the winter months as the plant's growth slows down. Maintain humidity levels, as indoor heating can dry out the air. Provide adequate light, especially during shorter days, by using a grow light if necessary.
☀️ Summer: Water more frequently during the summer months as the plant's growth increases. Protect the plant from direct sunlight, which can scorch the leaves. Ensure good air circulation to prevent fungal diseases. Fertilize regularly during the growing season.

King Palm Care Tips

King Palms are primarily outdoor plants and are challenging to grow indoors due to their high light and space requirements. They need very bright, direct light, consistent moisture, and well-draining soil. Indoor cultivation often results in stunted growth and poor health. Requires careful monitoring of watering and humidity.

  • Ensure excellent drainage to prevent root rot.
  • Provide regular fertilization with a palm-specific fertilizer.
  • Protect from frost in colder climates.
  • Monitor for pests such as spider mites and treat promptly.
  • Water deeply but infrequently, allowing the soil to dry slightly between waterings.
❄️ Winter: Reduce watering frequency. Protect from frost if temperatures drop below 10°C. Consider wrapping the trunk with burlap or moving container plants indoors to a sheltered location.
☀️ Summer: Increase watering frequency, especially during hot and dry periods. Provide shade during the hottest part of the day to prevent leaf burn. Ensure adequate ventilation to prevent fungal diseases.

⚠️ Common Problems & Solutions — Plant Care Comparison

Artillery Plant

Common Issues: Leaf drop, Root rot, Pests (spider mites, mealybugs)
Solutions: Leaf drop: Increase humidity and ensure adequate watering. Root rot: Improve drainage and reduce watering frequency. Pests: Treat with insecticidal soap or neem oil.

King Palm

Common Issues: Leaf tip burn, Root rot, Nutrient deficiencies, Spider mites
Solutions: Leaf tip burn: Increase humidity and ensure adequate watering. Root rot: Improve drainage and reduce watering frequency. Nutrient deficiencies: Apply a balanced palm fertilizer. Spider mites: Treat with insecticidal soap or neem oil.

❓ Frequently Asked Questions — Comparing These Plants

Artillery Plant

What are the light requirements for Artillery Plant?

Artillery Plant prefers bright, indirect light. Avoid direct sunlight, especially during the hottest part of the day, as it can scorch the delicate leaves. An east-facing window is often ideal, providing gentle morning sun. A north-facing window can also work, but the plant may not grow as vigorously.

How do I care for Artillery Plant?

Artillery Plant thrives in bright, indirect light; direct sunlight can scorch the leaves. Water regularly, keeping the soil consistently moist but not soggy. Allow the top inch of soil to dry out slightly between waterings. High humidity is beneficial; mist the plant regularly or place it on a pebble tray.

How do I propagate Artillery Plant?

Artillery Plant is easily propagated through several methods. Stem cuttings are a simple and effective way to create new plants. Take a 2-3 inch cutting from a healthy stem, remove the lower leaves, and place it in water or directly into moist potting mix. Roots will typically develop within a few weeks.

King Palm

What are the light requirements for King Palm?

King Palms require bright, indirect light to thrive. Direct sunlight can scorch their delicate fronds, causing damage. An east-facing window is often ideal, providing gentle morning sunlight. A south or west-facing window can also work, but be sure to filter the light with a sheer curtain or blinds to prevent sunburn. If your King Palm is not receiving enough light, its growth may become stunted, and its fronds may turn yellow. Rotate your plant regularly to ensure even light exposure on all sides. Insufficient light is a common cause of problems, so prioritize finding the right location.

How do I care for King Palm?

King Palms thrive in bright, indirect light. Water thoroughly when the top inch of soil feels dry, ensuring good drainage to prevent root rot. Maintain high humidity levels by misting regularly or using a humidifier. Fertilize monthly during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Repot every 2-3 years, or when the plant becomes root-bound, using a well-draining potting mix. Keep temperatures between 65-80°F (18-27°C). Prune away any dead or yellowing fronds to maintain a tidy appearance and encourage new growth. Protect from drafts and sudden temperature changes. Regularly inspect for pests such as spider mites and treat promptly if detected. Consistent care is key to a healthy and thriving King Palm.

How do I propagate King Palm?

King Palms are typically propagated by seeds. Soak the seeds in warm water for 24 hours before planting. Sow the seeds in a well-draining potting mix and keep them consistently moist. Germination can take several weeks to months. Division is possible for clumping varieties; carefully separate the pups from the mother plant, ensuring each has its own root system. Plant each pup in a separate pot with well-draining potting mix. Maintain high humidity and bright, indirect light. Patience is key, as King Palms can be slow to propagate. Provide consistent care to encourage successful growth. Seed propagation is the most common and reliable method.

Last updated: May 15, 2026 — Plant care data reviewed and verified by our editorial team.