Crabapple vs Pontederia Plant Comparison

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

Crabapple

Crabapple

Malus spp.

VS
Pontederia

Pontederia

Pontederia cordata

Crabapple

Crabapple

Malus spp.

Crabapples are deciduous trees or shrubs known for their profuse spring blossoms and small, apple-like fruits. They range in size from small shrubs to medium-sized trees. The flowers are typically pink or white, and the fruits can be red, yellow, or green. Crabapples are primarily grown for their ornamental value, adding beauty to landscapes with their showy flowers and colorful fruits. They are not typically grown indoors due to their size and high light requirements. The fruit is edible but often tart.

Rosaceae Native to North America, Asia, and Europe
✨ Features: Beautiful spring blossoms, colorful fruit in fall and winter, attracts birds
📖 Read Complete Crabapple Guide
Pontederia

Pontederia

Pontederia cordata

Pontederia cordata, commonly known as Pickerelweed, is an aquatic perennial plant native to wetlands and shallow water habitats. It features distinctive heart-shaped leaves and striking spikes of blue or purple flowers. Growing up to 1 meter tall, it spreads via rhizomes, forming dense colonies. While primarily an outdoor plant thriving in full sun and wet conditions, it is sometimes grown in water gardens or large aquatic containers. Its attractive flowers and foliage make it a popular choice for naturalizing ponds and providing habitat for wildlife. It is not ideally suited for indoor cultivation due to its high light and moisture requirements.

Pontederiaceae North America, South America
✨ Features: Attracts pollinators, provides habitat for aquatic wildlife, natural water filtration.
📖 Read Complete Pontederia Guide

Quick Plant Comparison

Feature Crabapple Pontederia
Light Full sun (at least 6 hours of direct sunlight per day) Full sun to partial shade
Watering Weekly during the growing season, less frequently during dormancy Daily to maintain consistently wet soil or submerged conditions.
Humidity 30-50% 60-90%
Temperature 10-24°C 15-27°C
Care Level Expert Expert
Growth Rate Moderate Fast, Aggressive Spreader Via Rhizomes
Max Height Not applicable for indoor growing. Outdoors: 6-30 feet Up to 1 meter (outdoors); significantly smaller if containerized indoors (unlikely to thrive indoors)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining soil, slightly acidic to neutral pH Heavy loam or clay soil, or aquatic planting media
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes weekly (including watering, pruning, and pest control) 30 minutes weekly (for outdoor ponds, including algae control and debris removal)

🔬 Botanical Information — Comparing These Plants

Crabapple

Scientific Name Malus spp.
Family Rosaceae
Native To Native to North America, Asia, and Europe
Also Known As Crabapple, Wild Apple
Leaves The leaves are typically oval or elliptical, with serrated edges. They are usually green, but some varieties may have reddish or purplish foliage. The leaves are deciduous and turn yellow or reddish in the fall.
Flowers Crabapples produce abundant flowers in the spring. The flowers are typically pink or white, but some varieties may have red or purple flowers. The flowers are usually fragrant and attract pollinators.

Pontederia

Scientific Name Pontederia cordata
Family Pontederiaceae
Native To North America, South America
Also Known As Pickerelweed, Pickerel Weed, Heartleaf Pickerelweed
Leaves Heart-shaped (cordate) leaves, typically 10-25 cm long and 5-15 cm wide, with smooth margins and a glossy green color. Leaves are held above the water surface on long petioles.
Flowers Produces erect spikes of small, densely packed blue or purple flowers in summer. Flowering is dependent on sufficient sunlight and warm temperatures. Rarely flowers indoors.

📏 Size & Growth — Plant Comparison

Crabapple

Height Not applicable for indoor growing. Outdoors: 6-30 feet
Spread Not applicable for indoor growing. Outdoors: 6-30 feet
Growth Rate Moderate
Growth Pattern Crabapples typically grow as small to medium-sized trees with a rounded or spreading crown. Some varieties can also be shrub-like.

Pontederia

Height Up to 1 meter (outdoors); significantly smaller if containerized indoors (unlikely to thrive indoors)
Spread Spreads indefinitely via rhizomes, forming large colonies (outdoors); limited by container size indoors.
Growth Rate Fast, Aggressive Spreader Via Rhizomes
Growth Pattern Upright, emergent aquatic perennial that spreads aggressively via rhizomes, forming dense colonies in shallow water or wet soil.

🌱 Propagation — Comparing Plant Growth

Crabapple

Methods: Seed, Grafting, Cuttings

Difficulty: Moderate

Tips: Grafting is the most reliable method for propagating specific cultivars. Take semi-hardwood cuttings in summer. Stratify seeds before planting.

Pontederia

Methods: Division, Seed, Rhizome cuttings

Difficulty: Easy

Tips: Divide rhizomes in spring or early summer. Plant seeds in moist soil. Rhizome cuttings should include a node and be planted in wet soil.

✨ Benefits & Features — Comparing Plant Value

Crabapple

Crabapples are known for their showy spring blossoms and persistent fruit that provides winter interest. They are also important pollinators for apple orchards and attract birds to the garden.

  • ✓ Provides beautiful spring blossoms.
  • ✓ Attracts birds and wildlife.
  • ✓ Offers colorful fruit in the fall and winter.
  • ✓ Can be used to make jams and jellies.
  • ✓ Provides shade in the summer.
  • ⚠️ Toxic to pets

Pontederia

Its distinctive heart-shaped leaves and spikes of blue or purple flowers are visually striking. It's an important plant for wetland ecosystems, providing food and shelter for various wildlife.

  • ✓ Attracts pollinators like bees and butterflies
  • ✓ Provides habitat for aquatic wildlife
  • ✓ Contributes to natural water filtration in ponds
  • ✓ Adds visual interest to water gardens with its unique foliage and flowers
  • ✓ Can help stabilize pond banks and prevent erosion
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Crabapple

Repotting Not applicable for outdoor trees.
Pruning Prune in late winter or early spring to remove dead, damaged, or crossing branches. Shape the tree for optimal air circulation and sunlight penetration.
Fertilizing Balanced fertilizer (10-10-10) in early spring
Seasonal Care In spring, fertilize and prune. In summer, monitor for pests and diseases. In fall, collect fallen leaves and fruits. In winter, protect young trees from frost damage.

Pontederia

Repotting Not typically repotted in aquatic settings. If containerized, divide and replant every 1-2 years to manage rhizome growth.
Pruning Remove dead or yellowing leaves as needed. Cut back foliage in late fall or early spring.
Fertilizing Slow-release aquatic fertilizer in spring, following package instructions.
Seasonal Care In winter, cut back foliage after it dies back. In colder climates, rhizomes may need protection from freezing. In summer, ensure adequate water levels and sunlight.

🌞 Light Requirements

Crabapple

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

Low light tolerant: ❌ No

Pontederia

Full sun to partial shade

Low light tolerant: ❌ No

💧 Watering Needs

Crabapple

Water deeply when the top few inches of soil are dry. Avoid overwatering, which can lead to root rot. During the growing season, water more frequently. Reduce watering in the dormant season. Signs of overwatering include yellowing leaves and soggy soil. Underwatering is indicated by wilting leaves and dry soil.

Pontederia

Requires consistently moist to wet soil. In aquatic settings, the base of the plant should be submerged in water. In containers, keep the soil saturated. Overwatering is not a concern in aquatic environments, but ensure proper drainage in containers to prevent stagnant water. Underwatering will cause wilting and browning of leaves.

🌡️ Temperature & Humidity

Crabapple

Temperature: 10-24°C

Humidity: 30-50%

Pontederia

Temperature: 15-27°C

Humidity: 60-90%

🤔 Which Plant Is Right For You?

Crabapple

Crabapple

Malus spp.
Care: Expert Time: 30 minutes weekly (including watering, pruning, and pest control) Beginner: No

Gardeners with outdoor space who want ornamental trees with spring blossoms and colorful fruit.

✅ Choose This Plant If...

  • You want a tree with beautiful spring flowers.
  • You want a tree that attracts birds to your yard.
  • You enjoy making homemade jams and jellies.
  • You have a sunny location in your yard.
  • You want a tree with year-round interest due to its fruit.

❌ Skip This Plant If...

  • You have limited outdoor space.
  • You are looking for an indoor plant.
  • You have pets that might ingest the plant.
  • You live in an area prone to apple scab or fire blight.
📍 Ideal Location: Outdoor garden or landscape with full sun exposure
🎨 Style: Traditional, Cottage, Country
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, the stems, leaves, and seeds of crabapples contain cyanide and can be toxic to dogs, cats, and horses. Symptoms include dilated pupils, difficulty breathing, panting, and shock.
Pontederia

Pontederia

Pontederia cordata
Care: Expert Time: 30 minutes weekly (for outdoor ponds, including algae control and debris removal) Beginner: No

Gardeners with ponds, water gardens, or large aquatic containers looking to naturalize their landscape and provide habitat for wildlife.

✅ Choose This Plant If...

  • You have a pond or water garden.
  • You want to attract pollinators and wildlife to your yard.
  • You need a plant for natural water filtration.
  • You are experienced with aquatic plant care.
  • You want a visually striking plant with unique flowers and foliage.

❌ Skip This Plant If...

  • You do not have an outdoor aquatic environment.
  • You are looking for a low-maintenance indoor plant.
  • You have pets that may ingest the plant.
📍 Ideal Location: Outdoor pond, water garden, or large aquatic container in a sunny location.
🎨 Style: Naturalistic, Cottagecore, Wild Garden
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Pontederia species contain calcium oxalate crystals, which are toxic to dogs, cats, and horses. Symptoms include oral irritation, excessive drooling, vomiting, and difficulty swallowing.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

☀️

Crabapple needs full sun (at least 6 hours of direct sunlight per day), while Pontederia prefers full sun to partial shade.

📈

Crabapple has moderate growth, while Pontederia grows fast, aggressive spreader via rhizomes.

💡 Pro Tips For Comparing These Plants

Crabapple Care Tips

Crabapples are outdoor trees and are not suitable for indoor growing. They require full sun, well-draining soil, and regular pruning. Indoor attempts will likely fail due to insufficient light and space.

  • Plant in well-draining soil to prevent root rot.
  • Prune annually to maintain shape and remove deadwood.
  • Monitor for pests and diseases regularly.
  • Fertilize in early spring with a balanced fertilizer.
  • Water deeply during dry periods.
❄️ Winter: Protect young trees from frost damage by wrapping the trunk with burlap. Water sparingly during the winter months. Remove any fallen leaves or fruits to prevent disease.
☀️ Summer: Monitor for pests and diseases regularly. Water deeply during dry periods. Mulch around the base of the tree to retain moisture and suppress weeds.

Pontederia Care Tips

Pickerelweed is primarily an outdoor aquatic plant. Indoor cultivation is extremely challenging due to its high light, humidity, and water requirements. It requires specialized aquatic setups and is prone to pest infestations and nutrient deficiencies indoors. Not recommended for typical indoor environments.

  • Provide ample sunlight for optimal flowering.
  • Regularly remove dead or decaying leaves to prevent water quality issues.
  • Use aquatic-specific fertilizers to avoid harming aquatic life.
  • Control algae growth to ensure healthy plant growth.
  • Protect rhizomes from freezing temperatures in colder climates.
❄️ Winter: Cut back dead foliage. In colder climates, protect rhizomes from freezing by moving containers to a sheltered location or insulating them.
☀️ Summer: Ensure adequate water levels and sunlight. Monitor for pests and diseases. Fertilize as needed to support flowering.

⚠️ Common Problems & Solutions — Plant Care Comparison

Crabapple

Common Issues: Apple scab, Fire blight, Aphids, Japanese beetles
Solutions: Apply fungicides for apple scab and bactericides for fire blight. Use insecticidal soap for aphids and handpick Japanese beetles. Ensure good air circulation to prevent fungal diseases.

Pontederia

Common Issues: Algae growth, Aphids, Nutrient deficiencies, Root rot (if drainage is poor in containers)
Solutions: Control algae with algaecides or by improving water circulation. Treat aphids with insecticidal soap. Address nutrient deficiencies with appropriate aquatic fertilizers. Ensure proper drainage to prevent root rot.

❓ Frequently Asked Questions — Comparing These Plants

Crabapple

What are the light requirements for Crabapple?

Crabapple trees thrive in bright, indirect light indoors. A south-facing or east-facing window is ideal, providing ample sunlight without direct, harsh rays that can scorch leaves. If a south-facing window is too intense, diffuse the light with a sheer curtain. Insufficient light can lead to leggy growth, reduced flowering, and a lack of fruit production. Rotate the plant regularly to ensure all sides receive adequate light. During winter months, supplemental lighting may be necessary to compensate for shorter days and lower light levels. Consider using a grow light to provide additional illumination, especially if natural light is limited.

How do I care for Crabapple?

Indoor Crabapple trees require well-draining potting mix and a pot with drainage holes to prevent waterlogging. Water thoroughly when the top inch of soil feels dry, allowing excess water to drain away. Fertilize monthly during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Provide bright, indirect light, ideally near a sunny window. Prune regularly to maintain shape and encourage branching. Rotate the plant periodically to ensure even growth. Maintain stable temperatures between 60-75°F (15-24°C) and avoid sudden changes. Provide adequate humidity, especially during winter months, using a humidifier or pebble tray. Repot every 2-3 years as needed, using a slightly larger container. Monitor for pests and diseases, and treat promptly if necessary.

How do I propagate Crabapple?

Crabapples can be propagated through stem cuttings or air layering.

Pontederia

What are the light requirements for Pontederia?

Pontederia requires ample sunlight to flourish. Aim for at least 6 hours of direct sunlight daily to encourage abundant flowering. While it can tolerate partial shade, reduced sunlight may result in fewer blooms and leggier growth. For container-grown plants, position them in a sunny location near a window or outdoors in a spot that receives plenty of light. In ponds or water gardens, ensure that Pontederia is not shaded by taller plants or structures. Insufficient light can lead to weak stems and reduced overall health.

How do I care for Pontederia?

Pontederia thrives in full sun to partial shade, requiring at least 6 hours of direct sunlight daily for optimal flowering. It prefers consistently moist conditions, ideally with its roots submerged in water or very wet soil. Maintain water quality by regularly removing debris and algae. Fertilize with a slow-release aquatic plant fertilizer during the growing season (spring and summer) to promote robust growth and abundant blooms. Prune spent flower spikes to encourage further flowering. Monitor for pests such as aphids or snails and treat as needed. In colder climates, protect the roots from freezing by moving the plant to a sheltered location or deeper water. Regularly check and adjust water levels to ensure consistent moisture.

How do I propagate Pontederia?

Pontederia can be easily propagated through division or cuttings.

Last updated: May 12, 2026 — Plant care data reviewed and verified by our editorial team.