Hawthorn vs Milkweed Plant Comparison

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

Hawthorn

Hawthorn

Crataegus spp.

VS
Milkweed

Milkweed

Asclepias spp.

Hawthorn

Hawthorn

Crataegus spp.

Hawthorns are deciduous shrubs or small trees, typically reaching heights of 5-15 meters. They are characterized by their thorny branches, simple leaves, and clusters of white, pink, or red flowers in spring. These flowers give way to small, apple-like fruits called haws in the fall. Hawthorns are primarily outdoor plants, valued for their ornamental appeal, wildlife value (providing food and shelter), and traditional medicinal uses. Growing them indoors is extremely challenging due to their need for full sun and dormancy period.

Rosaceae Native to temperate regions of North America, Europe, and Asia
✨ Features: Attractive flowers, colorful fruits, thorns provide habitat for birds, medicinal properties.
📖 Read Complete Hawthorn Guide
Milkweed

Milkweed

Asclepias spp.

Milkweed is a herbaceous perennial known for its milky sap and crucial role in supporting monarch butterflies. It typically grows 2-6 feet tall, featuring lance-shaped leaves arranged oppositely along the stem. Clusters of small, fragrant flowers bloom in shades of pink, orange, white, or purple. Milkweed is primarily an outdoor plant, thriving in sunny meadows and fields. People grow it to attract butterflies, support pollinator populations, and for its unique seed pods filled with silky fluff. Attempting to grow milkweed indoors is challenging due to its high light requirements and large size.

Apocynaceae North and South America
✨ Features: Attracts monarch butterflies, provides food for monarch caterpillars, unique seed pods
📖 Read Complete Milkweed Guide

Quick Plant Comparison

Feature Hawthorn Milkweed
Light Full sun (at least 6 hours of direct sunlight per day) Full sun (at least 6-8 hours of direct sunlight daily)
Watering Once or twice a week during the growing season, less frequently during dormancy. Every 7-14 days, depending on weather and soil drainage
Humidity 30-50% 30-50%
Temperature 10-24°C 18-29°C
Care Level Expert Expert
Growth Rate Moderate Moderate To Fast, Aggressive Spreader Via Rhizomes And Seeds
Max Height Outdoor: 5-15 meters. Indoor: Not suitable for indoor growing. N/A (not suitable for indoor growing)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining soil; tolerates a wide range of soil types, including clay, loam, and sandy soils. Well-draining soil, sandy or loamy
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes monthly 10 minutes weekly (mostly weeding and monitoring for pests)

🔬 Botanical Information — Comparing These Plants

Hawthorn

Scientific Name Crataegus spp.
Family Rosaceae
Native To Native to temperate regions of North America, Europe, and Asia
Also Known As Hawthorn, Thornapple, May-tree, Whitethorn
Leaves Hawthorn leaves are simple, alternate, and typically lobed or toothed. They are usually green in color and can vary in size and shape depending on the species.
Flowers Hawthorns produce clusters of white, pink, or red flowers in spring. Flowering typically occurs in May, hence the common name 'May-tree'. They do not flower indoors.

Milkweed

Scientific Name Asclepias spp.
Family Apocynaceae
Native To North and South America
Also Known As Milkweed, Butterfly Flower, Silkweed
Leaves Lance-shaped leaves, typically 4-6 inches long, arranged oppositely along the stem. Leaf color varies depending on the species, ranging from light green to bluish-green.
Flowers Milkweed produces clusters of small, fragrant flowers in shades of pink, orange, white, or purple. Flowering typically occurs in summer. It is highly unlikely to flower indoors.

📏 Size & Growth — Plant Comparison

Hawthorn

Height Outdoor: 5-15 meters. Indoor: Not suitable for indoor growing.
Spread Outdoor: 5-10 meters. Indoor: Not suitable for indoor growing.
Growth Rate Moderate
Growth Pattern Hawthorns typically grow as multi-stemmed shrubs or small trees with a rounded or irregular crown. They can be pruned to maintain a desired shape and size.

Milkweed

Height N/A (not suitable for indoor growing)
Spread N/A (not suitable for indoor growing)
Growth Rate Moderate To Fast, Aggressive Spreader Via Rhizomes And Seeds
Growth Pattern Upright, herbaceous perennial with rhizomatous roots, allowing it to spread and form colonies.

🌱 Propagation — Comparing Plant Growth

Hawthorn

Methods: Seed, cuttings, grafting

Difficulty: Moderate To Difficult

Tips: Seed propagation requires stratification (cold treatment) to break dormancy. Cuttings should be taken from semi-hardwood in late summer. Grafting is often used to propagate specific cultivars.

Milkweed

Methods: Seed, Root cuttings, Division

Difficulty: Easy

Tips: Seeds require cold stratification for optimal germination. Root cuttings should be taken in early spring. Divide established plants in spring or fall.

✨ Benefits & Features — Comparing Plant Value

Hawthorn

Hawthorns are known for their thorny branches, which provide protection from herbivores and create habitat for birds. They also have attractive flowers and fruits, making them a valuable addition to the landscape.

  • ✓ Provides food and shelter for wildlife
  • ✓ Offers seasonal beauty with flowers and fruits
  • ✓ Has traditional medicinal uses
  • ✓ Can be used as a hedge or screen
  • ✓ Relatively low-maintenance once established
  • ⚠️ Toxic to pets

Milkweed

Milkweed is the sole food source for monarch butterfly caterpillars, making it essential for their survival. The plant's milky sap contains cardiac glycosides, which make the caterpillars and butterflies toxic to predators.

  • ✓ Supports monarch butterfly populations
  • ✓ Provides nectar for pollinators
  • ✓ Adds beauty to the garden with its flowers and seed pods
  • ✓ Low-maintenance once established
  • ✓ Attracts beneficial insects
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Hawthorn

Repotting Not applicable for indoor growing, as it's not recommended.
Pruning Prune in late winter or early spring to remove dead, damaged, or crossing branches. Shape the tree as desired.
Fertilizing Apply a balanced fertilizer (10-10-10) in early spring before new growth begins. Avoid over-fertilizing, as this can promote excessive vegetative growth at the expense of flowering and fruiting.
Seasonal Care Spring: Fertilize and prune. Summer: Monitor for pests and diseases. Fall: Harvest fruits. Winter: Dormancy; protect from extreme cold in harsh climates.

Milkweed

Repotting N/A (not suitable for indoor growing)
Pruning Prune dead or damaged stems in early spring. Remove seed pods to prevent unwanted spread.
Fertilizing Balanced fertilizer (10-10-10) diluted to half strength, applied once in spring
Seasonal Care In spring, cut back dead stems and fertilize. In summer, monitor for pests and water regularly. In fall, allow seed pods to mature and disperse seeds. In winter, the plant will go dormant.

🌞 Light Requirements

Hawthorn

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

Low light tolerant: ❌ No

Milkweed

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

Low light tolerant: ❌ No

💧 Watering Needs

Hawthorn

Water deeply when the topsoil feels dry to the touch. Avoid overwatering, which can lead to root rot. Hawthorns are relatively drought-tolerant once established. Signs of underwatering include wilting leaves and dry soil. Signs of overwatering include yellowing leaves and soggy soil.

Milkweed

Water deeply when the top inch of soil is dry. Avoid overwatering, which can lead to root rot. Signs of underwatering include wilting leaves. Signs of overwatering include yellowing leaves and soggy soil.

🌡️ Temperature & Humidity

Hawthorn

Temperature: 10-24°C

Humidity: 30-50%

Milkweed

Temperature: 18-29°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Hawthorn

Hawthorn

Crataegus spp.
Care: Expert Time: 30 minutes monthly Beginner: No

Gardeners with outdoor space seeking an ornamental tree or shrub that provides wildlife value.

✅ Choose This Plant If...

  • You have a large outdoor space and want a small tree or shrub with seasonal interest.
  • You want to attract birds and other wildlife to your garden.
  • You are interested in the traditional medicinal uses of hawthorn.
  • You appreciate the beauty of its spring flowers and fall fruits.
  • You want a relatively low-maintenance plant once established.

❌ Skip This Plant If...

  • You only have indoor space available.
  • You have pets that might ingest the plant.
  • You live in a climate that is not suitable for hawthorn (e.g., tropical).
📍 Ideal Location: Outdoor garden or landscape with full sun exposure.
🎨 Style: Cottage, Traditional, Naturalistic
🏠 Apartment Friendly: No
⚠️ The ASPCA lists Hawthorn as toxic to dogs, cats, and horses. The toxic principle is unknown. Symptoms include vomiting, diarrhea, and depression. Berries may cause mild stomach upset.
Milkweed

Milkweed

Asclepias spp.
Care: Expert Time: 10 minutes weekly (mostly weeding and monitoring for pests) Beginner: No

Gardeners who want to support monarch butterflies and other pollinators in their outdoor spaces.

✅ Choose This Plant If...

  • You want to support monarch butterfly populations.
  • You have a sunny outdoor garden or meadow.
  • You appreciate the unique beauty of native wildflowers.
  • You enjoy watching butterflies and other pollinators in your garden.
  • You want a low-maintenance perennial plant.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You don't have a sunny outdoor space.
  • You are not prepared for its potential to spread aggressively.
  • You are looking for an easy indoor plant.
📍 Ideal Location: Outdoor garden, meadow, or butterfly garden with full sun
🎨 Style: Naturalistic, Cottage Garden, Wildlife Garden
🏠 Apartment Friendly: No
⚠️ All parts of the plant contain cardiac glycosides, which are toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, weakness, and in severe cases, heart problems.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

☀️

Hawthorn needs full sun (at least 6 hours of direct sunlight per day), while Milkweed prefers full sun (at least 6-8 hours of direct sunlight daily).

📈

Hawthorn has moderate growth, while Milkweed grows moderate to fast, aggressive spreader via rhizomes and seeds.

💡 Pro Tips For Comparing These Plants

Hawthorn Care Tips

Hawthorns are primarily outdoor plants and are not suitable for indoor growing. They require full sun, well-draining soil, and a period of winter dormancy. Indoor cultivation is extremely challenging and not recommended.

  • Plant in well-draining soil to prevent root rot.
  • Provide full sun for optimal flowering and fruiting.
  • Prune annually to maintain shape and remove dead wood.
  • Monitor for pests and diseases and treat promptly.
  • Protect young trees from deer browsing.
❄️ Winter: Hawthorns are deciduous and will lose their leaves in the fall. During winter, they require little care. Protect young trees from extreme cold in harsh climates.
☀️ Summer: During summer, monitor hawthorns for pests and diseases. Water deeply during dry periods. Avoid over-fertilizing.

Milkweed Care Tips

Milkweed is primarily an outdoor plant and very difficult to grow indoors due to its high light requirements and potential for aggressive spread. Indoor cultivation requires intense supplemental lighting and careful monitoring of soil moisture. It is best suited for outdoor gardens to support monarch butterflies.

  • Plant in well-draining soil in a sunny location.
  • Monitor for aphids and spider mites, and treat promptly.
  • Allow seed pods to mature and disperse seeds for natural propagation.
  • Cut back dead stems in early spring.
  • Avoid using pesticides that could harm monarch caterpillars.
❄️ Winter: The plant will go dormant in winter. Cut back dead stems in early spring.
☀️ Summer: Monitor for pests and water regularly during hot, dry weather. Provide support if the plant becomes top-heavy with flowers and seed pods.

⚠️ Common Problems & Solutions — Plant Care Comparison

Hawthorn

Common Issues: Aphids, fire blight, rust, leaf spot
Solutions: Aphids: Insecticidal soap or neem oil. Fire blight: Prune infected branches and apply copper-based fungicide. Rust and leaf spot: Fungicides and good air circulation.

Milkweed

Common Issues: Aphids, spider mites, root rot, lack of flowering
Solutions: Treat aphids and spider mites with insecticidal soap. Prevent root rot by ensuring well-draining soil and avoiding overwatering. Provide adequate sunlight to encourage flowering.

❓ Frequently Asked Questions — Comparing These Plants

Hawthorn

What are the light requirements for Hawthorn?

Hawthorn trees thrive in bright, indirect sunlight. While they can tolerate some direct sunlight, especially in the morning or late afternoon, prolonged exposure to intense direct sun can scorch their leaves. An east-facing window is often ideal, providing gentle morning light. A south-facing window can also work, but be sure to filter the light with a sheer curtain. If your Hawthorn is not receiving enough light, it may exhibit leggy growth or produce fewer flowers. Rotate the plant regularly to ensure even light exposure on all sides. If natural light is insufficient, consider supplementing with grow lights. Keep the light source 6-12 inches away from the plant for best results.

How do I care for Hawthorn?

Hawthorn trees, when grown indoors, require specific care to thrive. Place your Hawthorn in a location that receives bright, indirect sunlight. Direct sunlight can scorch the leaves, especially during the hottest part of the day. Water thoroughly when the top inch of soil feels dry, ensuring proper drainage to prevent root rot. Use a well-draining potting mix formulated for bonsai or trees. Fertilize monthly during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Prune regularly to maintain the desired shape and remove any dead or crossing branches. Repot every 2-3 years, or when the plant becomes root-bound, using a slightly larger pot. Monitor for pests such as aphids or spider mites and treat promptly with insecticidal soap. Maintain moderate humidity levels, especially during the winter months when indoor air tends to be drier.

How do I propagate Hawthorn?

Hawthorn trees can be propagated through stem cuttings or air layering. For stem cuttings, take a 4-6 inch cutting from a healthy branch in the spring. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cutting in a well-draining potting mix and keep it moist. Cover with a plastic bag to increase humidity. Roots should develop in 4-6 weeks. For air layering, select a healthy branch and make a shallow cut in the bark. Wrap the cut with moist sphagnum moss and cover with plastic wrap. Secure the plastic wrap with tape or twine. Keep the moss moist. Roots should develop in several weeks. Once roots are visible, cut the branch below the roots and pot it in a well-draining potting mix.

Milkweed

What are the light requirements for Milkweed?

Milkweed plants require a significant amount of sunlight to thrive and produce abundant blooms. Aim for at least 6 hours of direct sunlight per day. Inadequate light can lead to leggy growth, reduced flowering, and weakened plants.

How do I care for Milkweed?

Milkweed thrives with at least 6 hours of direct sunlight daily. Well-draining soil is essential; amend heavy clay soils with compost or sand. Water deeply when the top inch of soil feels dry, but avoid overwatering, which can lead to root rot. Fertilize sparingly, using a balanced fertilizer in spring to promote healthy growth and flowering.

How do I propagate Milkweed?

Milkweed can be propagated through several methods.

Last updated: April 24, 2026 — Plant care data reviewed and verified by our editorial team.