Marrow vs Pride of Madeira Plant Comparison

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

Marrow

Marrow

Cucurbita pepo

VS
Pride of Madeira

Pride of Madeira

Echium candicans

Marrow

Marrow

Cucurbita pepo

Marrow is a variety of Cucurbita pepo, a vining plant typically grown for its large, mature fruit. It is closely related to zucchini and pumpkins. Marrows are typically oblong or oval in shape and can grow quite large, often reaching several kilograms in weight. The skin is usually smooth and can range in color from green to yellow or cream. It is an outdoor plant, grown for its edible fruit. People grow marrows for culinary purposes, using them in stews, roasting them, or stuffing them.

Cucurbitaceae Mesoamerica
✨ Features: Edible fruit, ornamental value in the garden.
📖 Read Complete Marrow 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 Marrow 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 2-3 days during hot weather, less frequently in cooler conditions. Every 1-2 weeks, depending on weather and soil drainage
Humidity 40-60% 30-50%
Temperature 18-24°C 15-25°C
Care Level Expert Expert
Growth Rate Fast Moderate
Max Height 0.5-1 meter (vine length can be several meters) 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, fertile soil rich in organic matter Well-draining soil mix, such as a cactus or succulent mix amended with perlite or sand.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30-60 minutes weekly 30 minutes weekly (including watering, fertilizing, and pruning)

🔬 Botanical Information — Comparing These Plants

Marrow

Scientific Name Cucurbita pepo
Family Cucurbitaceae
Native To Mesoamerica
Also Known As Vegetable Marrow, Marrow Squash
Leaves Large, lobed leaves with a rough texture. The leaves are typically green and can be quite broad.
Flowers Produces large, yellow, trumpet-shaped flowers that are attractive to pollinators. Flowers are typically present during the summer months.

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

Marrow

Height 0.5-1 meter (vine length can be several meters)
Spread 1-2 meters (can spread significantly)
Growth Rate Fast
Growth Pattern Vining plant that spreads along the ground or climbs with support. It produces large, oblong or oval-shaped fruits.

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

Marrow

Methods: Seed

Difficulty: Easy

Tips: Sow seeds directly into the ground after the last frost or start indoors 2-3 weeks before transplanting. Ensure warm soil and consistent moisture for germination.

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

Marrow

Marrow is distinguished by its large size and mature fruit, which is typically harvested at a later stage than zucchini. It has a mild flavor and a slightly coarser texture.

  • ✓ Provides fresh, homegrown vegetables.
  • ✓ Adds visual interest to the garden.
  • ✓ Encourages outdoor activity and connection with nature.
  • ✓ Offers a sustainable food source.
  • ✓ Can be a rewarding gardening experience.
  • ⚠️ 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

Marrow

Repotting Not applicable as it is typically grown directly in the ground.
Pruning Prune to remove damaged or overcrowded leaves. Pinch off excess flowers to encourage fruit development.
Fertilizing Balanced fertilizer (e.g., 10-10-10) applied every 2-3 weeks during the growing season. Supplement with compost or manure.
Seasonal Care Summer: Provide ample water and fertilizer. Fall: Harvest fruits before frost. Winter: Plant is annual and will not survive winter.

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

Marrow

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

Marrow

Water deeply when the top inch of soil feels dry. Avoid overhead watering to prevent fungal diseases. Overwatering can lead to root rot, indicated by yellowing leaves and a soft, mushy stem base. Underwatering results in wilting leaves and stunted growth.

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

Marrow

Temperature: 18-24°C

Humidity: 40-60%

Pride of Madeira

Temperature: 15-25°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Marrow

Marrow

Cucurbita pepo
Care: Expert Time: 30-60 minutes weekly Beginner: No

Gardeners with ample outdoor space and experience growing vegetables.

✅ Choose This Plant If...

  • You have a large garden space with full sun.
  • You enjoy growing your own vegetables.
  • You want to add a productive and visually appealing plant to your garden.
  • You are looking for a versatile vegetable for cooking.
  • You are experienced with gardening and pest control.

❌ Skip This Plant If...

  • You have limited space.
  • You are looking for an indoor plant.
  • You have pets that might ingest the plant.
  • You are a beginner gardener.
  • You live in an area with very short growing seasons.
📍 Ideal Location: Outdoor garden or allotment with full sun exposure.
🎨 Style: Traditional, Cottage Garden
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, all parts of Cucurbita pepo, including marrow, are toxic to dogs, cats, and horses. Symptoms include gastrointestinal upset (vomiting, diarrhea), depression, and weakness.
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

☀️

Marrow 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).

📈

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

💡 Pro Tips For Comparing These Plants

Marrow Care Tips

Marrow is primarily an outdoor plant requiring full sun, consistent watering, and fertile soil. Growing it indoors is extremely challenging due to its need for intense sunlight and space. It is also toxic to pets.

  • Provide a trellis or support for the vines to climb.
  • Water deeply and consistently, especially during dry periods.
  • Monitor for pests and diseases regularly.
  • Fertilize regularly to promote healthy growth and fruit production.
  • Harvest fruits when they are mature but still tender.
❄️ Winter: The plant is an annual and will not survive winter. Remove dead plant material after harvest.
☀️ Summer: Provide ample water and fertilizer during the growing season. Monitor for pests and diseases and take appropriate action.

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

Marrow

Common Issues: Powdery mildew, squash vine borers, blossom-end rot
Solutions: Powdery mildew: Improve air circulation and apply a fungicide. Squash vine borers: Monitor plants and remove borers manually or use insecticides. Blossom-end rot: Ensure consistent watering and calcium levels in the soil.

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

Marrow

What are the light requirements for Marrow?

Marrows thrive in full sun, requiring at least 6-8 hours of direct sunlight each day. Insufficient sunlight can lead to reduced flowering and fruit production. Choose a location in your garden that receives ample sunlight throughout the day. If growing indoors, place your marrow plants near a south-facing window. Rotate the plants regularly to ensure even light exposure on all sides. Supplement natural light with grow lights if necessary, especially during cloudy periods or in areas with limited sunlight. Seedlings and young plants also benefit from strong light to encourage healthy growth. Monitor the leaves for signs of sunburn, such as scorched edges, and adjust the plant’s position accordingly.

How do I care for Marrow?

Marrows require full sun (6-8 hours daily) and well-drained, fertile soil. Water deeply and regularly, especially during dry periods, ensuring the soil remains consistently moist but not waterlogged. Fertilize every 2-3 weeks with a balanced fertilizer, increasing phosphorus levels as flowers appear to promote fruit production. Provide ample space for the vines to spread, or train them up a trellis to save space. Monitor for pests like squash bugs and vine borers, and address infestations promptly. Harvest marrows when they reach the desired size, typically when the skin is firm and the flesh is still tender. Regularly remove any yellowing or damaged leaves to maintain plant health. Provide support for heavy fruits to prevent them from breaking off the vine. Ensure good air circulation to prevent fungal diseases.

How do I propagate Marrow?

Marrows are typically propagated by seed. To propagate by seed, sow seeds directly into the garden after the last frost, or start them indoors 4-6 weeks beforehand. Sow seeds about 1 inch deep and 2-3 feet apart. Keep the soil consistently moist until germination. Alternatively, stem cuttings can be taken from healthy vines. Cut a 6-inch section of vine and remove the lower leaves. Dip the cut end in rooting hormone and plant in moist potting mix. Keep the cutting in a humid environment until roots develop. Division is not a common propagation method for marrows, as they are typically grown from seed each year. However, if the plant has multiple stems emerging from the base, it may be possible to carefully divide the root ball. Keiki propagation is not applicable to marrows.

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 14, 2026 — Plant care data reviewed and verified by our editorial team.