Milfoil vs Pride of Madeira Plant Comparison

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

Milfoil

Milfoil

Achillea millefolium

VS
Pride of Madeira

Pride of Madeira

Echium candicans

Milfoil

Milfoil

Achillea millefolium

Achillea millefolium, commonly known as yarrow, is a herbaceous perennial plant characterized by its feathery, finely divided leaves and clusters of small, daisy-like flowers. It typically grows to a height of 0.3 to 1 meter. The flowers are usually white, but can also be pink, red, or yellow in cultivated varieties. Yarrow is primarily an outdoor plant, thriving in sunny locations. It is grown for its ornamental value, medicinal properties (traditionally used for wound healing and anti-inflammatory purposes), and its ability to attract beneficial insects to the garden. It is not typically grown indoors due to its high light requirements and spreading growth habit.

Asteraceae Native to Europe and Asia, naturalized in North America
✨ Features: Attracts beneficial insects, drought-tolerant, medicinal properties
📖 Read Complete Milfoil Guide
Pride of Madeira

Pride of Madeira

Echium candicans

Pride of Madeira is a large, evergreen shrub native to the island of Madeira. It is prized for its spectacular, dense, cone-shaped flower spikes that can reach up to 50 cm (20 inches) in length. The flowers are typically a vibrant blue-purple, though pink and white varieties exist. The plant has a bushy, rounded habit and can grow quite large. It is primarily an outdoor plant, grown for its impressive floral display in gardens and landscapes. While it can be grown in containers, it requires significant space and specific conditions to thrive.

Boraginaceae Madeira Island, Portugal
✨ Features: Showy flower spikes, attracts pollinators
📖 Read Complete Pride of Madeira Guide

Quick Plant Comparison

Feature Milfoil Pride of Madeira
Light Full sun (at least 6-8 hours of direct sunlight daily) Full sun (at least 6 hours of direct sunlight per day)
Watering Every 1-2 weeks, depending on weather and soil conditions Every 1-2 weeks, depending on weather and soil drainage
Humidity 30-50% 30-50%
Temperature 15-25°C 15-25°C
Care Level Expert Expert
Growth Rate Fast Moderate
Max Height 0.3-1 meter (outdoors) Outdoor: 1-2.5 meters (3-8 feet). Indoor (container): Significantly smaller, typically under 1 meter (3 feet), but challenging to maintain.
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining soil, such as sandy or loamy soil. Yarrow tolerates poor soil conditions. Well-draining soil mix, such as a cactus or succulent mix amended with perlite or sand.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 5-10 minutes weekly (deadheading, watering) 30 minutes weekly (including watering, fertilizing, and pruning)

🔬 Botanical Information — Comparing These Plants

Milfoil

Scientific Name Achillea millefolium
Family Asteraceae
Native To Native to Europe and Asia, naturalized in North America
Also Known As Yarrow, Common Yarrow, Thousand-leaf
Leaves The leaves are finely divided, feathery, and lance-shaped, giving the plant a delicate appearance. They are typically green to grayish-green in color and have a slightly aromatic scent.
Flowers Yarrow flowers outdoors in clusters of small, daisy-like blooms. The flowers are typically white, but can also be pink, red, or yellow in cultivated varieties. It rarely flowers indoors.

Pride of Madeira

Scientific Name Echium candicans
Family Boraginaceae
Native To Madeira Island, Portugal
Also Known As Pride of Madeira, Echium fastuosum
Leaves The leaves are lance-shaped, grey-green in color, and covered in fine, silvery-white hairs, giving them a soft, velvety texture. They are typically 10-20 cm (4-8 inches) long.
Flowers It rarely flowers indoors. Outdoors, it produces dense, cone-shaped flower spikes that are typically a vibrant blue-purple, though pink and white varieties exist. The flowers are small and tubular, packed tightly together on the spikes.

📏 Size & Growth — Plant Comparison

Milfoil

Height 0.3-1 meter (outdoors)
Spread 0.3-0.6 meters (spreads via rhizomes)
Growth Rate Fast
Growth Pattern Yarrow grows upright and spreads via rhizomes, forming a clump. It can become somewhat aggressive in ideal conditions.

Pride of Madeira

Height Outdoor: 1-2.5 meters (3-8 feet). Indoor (container): Significantly smaller, typically under 1 meter (3 feet), but challenging to maintain.
Spread Outdoor: 1-2.5 meters (3-8 feet). Indoor (container): Proportionately smaller.
Growth Rate Moderate
Growth Pattern It grows as a large, rounded shrub with a bushy habit. The flower spikes emerge from the center of the plant and can reach impressive heights.

🌱 Propagation — Comparing Plant Growth

Milfoil

Methods: Seed, Division, Stem cuttings

Difficulty: Easy

Tips: Divide established plants in spring or fall. Take stem cuttings in late spring or early summer. Sow seeds in spring or fall.

Pride of Madeira

Methods: Seed, Stem cuttings

Difficulty: Moderate

Tips: For seeds, sow in spring in well-draining soil. For stem cuttings, take semi-hardwood cuttings in late summer and root in a well-draining medium. Use rooting hormone to improve success.

✨ Benefits & Features — Comparing Plant Value

Milfoil

Yarrow is known for its feathery foliage and clusters of small, daisy-like flowers. It is also valued for its medicinal properties and ability to attract beneficial insects. Its drought tolerance makes it a good choice for xeriscaping.

  • ✓ Attracts beneficial insects like ladybugs and hoverflies
  • ✓ Drought-tolerant, reducing water consumption
  • ✓ Provides long-lasting blooms in summer
  • ✓ Medicinal properties for wound healing (external use)
  • ✓ Adds a natural, wildflower aesthetic to the garden
  • ⚠️ Toxic to pets

Pride of Madeira

Its large, cone-shaped flower spikes are its most distinctive feature. The silvery-white hairs on the leaves add to its visual appeal. It's also endemic to Madeira, making it a unique plant.

  • ✓ Attracts pollinators like bees and butterflies.
  • ✓ Provides a stunning visual display with its vibrant flowers.
  • ✓ Adds a touch of exotic beauty to the garden.
  • ✓ Relatively drought-tolerant once established.
  • ✓ Provides habitat for beneficial insects.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Milfoil

Repotting Not applicable for outdoor plants. If grown in a container, divide and repot every 2-3 years.
Pruning Deadhead spent flowers to encourage continued blooming. Cut back foliage in fall after it dies back.
Fertilizing Apply a balanced fertilizer (10-10-10) in spring. Avoid over-fertilizing, as this can lead to leggy growth.
Seasonal Care In spring, apply fertilizer and divide plants if needed. In summer, deadhead spent flowers to encourage continued blooming. In fall, cut back foliage after it dies back. In winter, provide minimal care.

Pride of Madeira

Repotting Repot every 1-2 years if grown in a container, or when the plant becomes root-bound. Choose a pot slightly larger than the current one.
Pruning Prune after flowering to maintain shape and remove spent flower spikes. Light pruning can be done throughout the year to remove dead or damaged growth.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, applied every 4-6 weeks during the growing season (spring and summer).
Seasonal Care In winter, reduce watering and protect from frost. In summer, ensure adequate watering and sun exposure. Spring and summer are the active growing and flowering seasons.

🌞 Light Requirements

Milfoil

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

Low light tolerant: ❌ No

Pride of Madeira

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

Low light tolerant: ❌ No

💧 Watering Needs

Milfoil

Water deeply when the top inch of soil is dry. Avoid overwatering, as this can lead to root rot. Yarrow is relatively drought-tolerant once established. Signs of underwatering include wilting and yellowing leaves. Signs of overwatering include soggy soil and root rot.

Pride of Madeira

Water thoroughly when the top inch of soil is dry. Avoid overwatering, as this can lead to root rot. During the growing season (spring and summer), water more frequently. Reduce watering in the fall and winter. Signs of underwatering include wilting leaves; overwatering includes yellowing leaves and soggy soil.

🌡️ Temperature & Humidity

Milfoil

Temperature: 15-25°C

Humidity: 30-50%

Pride of Madeira

Temperature: 15-25°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Milfoil

Milfoil

Achillea millefolium
Care: Expert Time: 5-10 minutes weekly (deadheading, watering) Beginner: No

Gardeners looking for a low-maintenance, drought-tolerant perennial that attracts beneficial insects.

✅ Choose This Plant If...

  • You want a drought-tolerant plant for a sunny garden.
  • You want to attract beneficial insects to your garden.
  • You are interested in plants with medicinal properties.
  • You want a low-maintenance perennial.
  • You want a plant with attractive foliage and flowers.

❌ Skip This Plant If...

  • You have pets that may ingest the plant.
  • You don't have a sunny location.
  • You are looking for an indoor plant.
📍 Ideal Location: Outdoor garden or sunny border
🎨 Style: Cottage garden, Naturalistic garden, Meadow garden
🏠 Apartment Friendly: No
⚠️ Yarrow contains sesquiterpene lactones, which can cause contact dermatitis in sensitive animals. Symptoms may include skin irritation, vomiting, and diarrhea. Primarily affects dogs, cats, and horses.
Pride of Madeira

Pride of Madeira

Echium candicans
Care: Expert Time: 30 minutes weekly (including watering, fertilizing, and pruning) Beginner: No

Experienced gardeners in mild climates who want a spectacular flowering shrub in their garden.

✅ Choose This Plant If...

  • You live in a mild climate with plenty of sunshine.
  • You want to attract pollinators to your garden.
  • You have a large garden space to accommodate its size.
  • You appreciate dramatic floral displays.
  • You are an experienced gardener looking for a rewarding challenge.

❌ Skip This Plant If...

  • You live in a cold climate with harsh winters.
  • You have limited space for a large shrub.
  • You have pets, especially horses, due to its toxicity.
  • You cannot provide full sun.
  • You are a beginner gardener.
📍 Ideal Location: Outdoor garden or patio with full sun exposure. Not ideal for indoors.
🎨 Style: Mediterranean, Coastal, Cottage
🏠 Apartment Friendly: No
⚠️ The ASPCA lists Echium candicans as toxic to horses. Symptoms include dermatitis and photosensitization. The plant contains pyrrolizidine alkaloids, which can cause liver damage. While specific data for dogs and cats is limited, caution is advised due to the presence of these alkaloids.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

☀️

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

📈

Milfoil has fast growth, while Pride of Madeira grows moderate.

💡 Pro Tips For Comparing These Plants

Milfoil Care Tips

Yarrow is primarily an outdoor plant that requires full sun and well-draining soil. It is relatively low-maintenance once established but is not suited for indoor growing due to its high light demands. Indoor cultivation is challenging and rarely successful.

  • Provide full sun for optimal growth and flowering.
  • Ensure well-draining soil to prevent root rot.
  • Deadhead spent flowers regularly to encourage more blooms.
  • Divide plants every few years to prevent overcrowding.
  • Avoid over-fertilizing, as this can lead to leggy growth.
❄️ Winter: Cut back foliage after it dies back in fall. Yarrow is cold-hardy and requires minimal winter care.
☀️ Summer: Deadhead spent flowers regularly to encourage continued blooming. Water deeply during dry spells. Provide adequate sunlight.

Pride of Madeira Care Tips

Pride of Madeira is primarily an outdoor plant and requires full sun and well-draining soil. Growing it indoors is challenging due to its need for intense light and space. It is best suited for experienced gardeners in mild climates. Toxicity to horses is a concern.

  • Provide excellent drainage to prevent root rot.
  • Water deeply but infrequently, allowing the soil to dry out between waterings.
  • Fertilize regularly during the growing season to promote abundant flowering.
  • Prune after flowering to maintain shape and encourage bushier growth.
  • Protect from frost in colder climates.
❄️ Winter: Reduce watering significantly during the winter months. Protect from frost if temperatures drop below freezing. Consider moving potted plants to a sheltered location.
☀️ Summer: Ensure adequate watering during hot, dry periods. Provide some afternoon shade in extremely hot climates to prevent leaf scorch. Fertilize regularly to support flowering.

⚠️ Common Problems & Solutions — Plant Care Comparison

Milfoil

Common Issues: Powdery mildew, Root rot, Aphids
Solutions: Powdery mildew: Improve air circulation and apply a fungicide. Root rot: Ensure well-draining soil and avoid overwatering. Aphids: Spray with insecticidal soap or neem oil.

Pride of Madeira

Common Issues: Root rot, Aphids, Powdery mildew, Lack of flowering (indoors)
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Aphids: Treat with insecticidal soap or neem oil. Powdery mildew: Improve air circulation and treat with fungicide. Lack of flowering: Provide adequate sunlight and proper fertilization.

❓ Frequently Asked Questions — Comparing These Plants

Milfoil

What are the light requirements for Milfoil?

Milfoil requires moderate to high levels of light to thrive. Insufficient light will result in leggy growth and poor coloration. In aquariums, provide at least 2-3 watts per gallon of water using full-spectrum fluorescent or LED lighting. For outdoor ponds, position Milfoil in an area that receives at least 6 hours of direct sunlight per day. If the water is shaded, supplemental lighting may be necessary. Observe the plant’s growth; if the stems are elongated and the leaves are sparse, increase the light intensity or duration. Be mindful of algae growth, as high light levels can promote algae blooms. Balance the light intensity with nutrient levels and CO2 availability to prevent algae problems.

How do I care for Milfoil?

Milfoil thrives in aquatic or semi-aquatic environments. For submerged growth, maintain water temperatures between 60-80°F (15-27°C). Provide moderate to high lighting to encourage healthy growth; 6-8 hours of light per day is ideal. Ensure good water circulation and filtration to prevent algae buildup. For semi-aquatic growth, plant in consistently moist soil or substrate. Fertilize regularly with a liquid aquatic fertilizer, following the product instructions, to provide essential nutrients. Trim regularly to maintain desired shape and prevent overcrowding. Monitor water parameters, including pH (6.0-7.5) and nutrient levels, to optimize growth. Perform partial water changes regularly to maintain water quality. Remove any dead or decaying foliage promptly to prevent water contamination. Choose a location with minimal disturbance to allow the plant to establish itself.

How do I propagate Milfoil?

Milfoil is easily propagated through cuttings and division. For cuttings, select a healthy stem segment approximately 4-6 inches long. Remove the lower leaves and place the cutting in a glass of water or directly into the substrate. Ensure the cutting receives adequate light and warmth. Roots should develop within a few weeks. Once roots are established, transplant the cutting to its permanent location. For division, gently separate a mature plant into smaller sections, ensuring each section has roots and stems. Replant the divisions in separate locations. Both methods are highly successful, allowing you to quickly expand your Milfoil population. Regular trimming encourages branching and further propagation opportunities.

Pride of Madeira

What are the light requirements for Pride of Madeira?

Pride of Madeira thrives in full sun, needing at least 6-8 hours of direct sunlight per day to flower prolifically. Inadequate sunlight can result in leggy growth, reduced flowering, and pale foliage. When grown indoors, place it near a south-facing window where it can receive ample sunlight. If natural light is insufficient, supplement with grow lights to ensure optimal growth and flowering. Rotate the plant regularly to ensure even light exposure on all sides. Insufficient light can also lead to a weaker plant that is more susceptible to pests and diseases.

How do I care for Pride of Madeira?

Pride of Madeira requires full sun and well-drained soil. Water deeply but infrequently, allowing the soil to dry out between waterings. Fertilize sparingly with a balanced fertilizer during the growing season (spring and summer). Prune spent flower spikes to encourage bushier growth and potential reblooming. Provide protection from frost in colder climates, either by moving potted plants indoors or covering them with frost cloth. Avoid overwatering, especially during the winter months, as this can lead to root rot. Ensure good air circulation to prevent fungal diseases. Repot young plants annually to accommodate their growth.

How do I propagate Pride of Madeira?

Pride of Madeira can be propagated by stem cuttings or seeds. For stem cuttings, take 4-6 inch cuttings from healthy stems in the spring or summer. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cuttings in well-draining potting mix and keep them moist. Roots should develop in 4-6 weeks. Seeds can be sown in the spring. Keep the soil moist and provide bright, indirect light. Germination can take several weeks. Division is difficult due to the plant’s structure. Keiki production is not typical for this plant.

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