Marrow vs Pineapple Guava 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
Pineapple Guava

Pineapple Guava

Acca sellowiana (syn. Feijoa sellowiana)

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
Pineapple Guava

Pineapple Guava

Acca sellowiana (syn. Feijoa sellowiana)

Pineapple Guava is an evergreen shrub or small tree, typically grown outdoors for its ornamental value and edible fruit. It features attractive gray-green foliage, showy red and white flowers with edible petals, and egg-shaped, green fruit with a sweet, aromatic flavor reminiscent of pineapple and guava. While it can be grown in containers, it thrives best outdoors where it can reach its full potential. People grow it for its unique fruit, attractive appearance, and relatively low maintenance once established.

Myrtaceae Southern Brazil, Paraguay, Uruguay, and Northern Argentina
✨ Features: Edible flowers and fruit, attractive evergreen foliage, drought tolerance once established.
📖 Read Complete Pineapple Guava Guide

Quick Plant Comparison

Feature Marrow Pineapple Guava
Light Full sun (at least 6-8 hours of direct sunlight daily) Full sun to partial shade. Requires at least 6 hours of direct sunlight for optimal fruit production.
Watering Every 2-3 days during hot weather, less frequently in cooler conditions. Every 1-2 weeks, depending on weather and soil drainage. More frequent watering may be needed during hot, dry periods.
Humidity 40-60% 40-60%
Temperature 18-24°C 15-27°C
Care Level Expert Expert
Growth Rate Fast Moderate
Max Height 0.5-1 meter (vine length can be several meters) 2-3 meters (indoors, in containers) - significantly larger outdoors.
Pet Safety ❌ Toxic To Pets ✅ Safe
Soil Well-draining, fertile soil rich in organic matter Well-draining, slightly acidic soil. A mix of potting soil, sand, and perlite is suitable for container growing.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30-60 minutes weekly 30 minutes weekly (more during fruiting season).

🔬 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.

Pineapple Guava

Scientific Name Acca sellowiana (syn. Feijoa sellowiana)
Family Myrtaceae
Native To Southern Brazil, Paraguay, Uruguay, and Northern Argentina
Also Known As Pineapple Guava, Feijoa, Guavasteen
Leaves The leaves are opposite, elliptical, and gray-green in color. They have a leathery texture and are approximately 5-7 cm long.
Flowers It produces showy, bi-colored flowers with bright red stamens and white petals. The flowers are edible and appear in late spring to early summer. Indoor flowering is possible with sufficient light.

📏 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.

Pineapple Guava

Height 2-3 meters (indoors, in containers) - significantly larger outdoors.
Spread 2-3 meters (indoors, in containers) - significantly larger outdoors.
Growth Rate Moderate
Growth Pattern It grows as a multi-stemmed shrub or small tree with an upright, bushy habit. It can be pruned to maintain a desired shape and size.

🌱 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.

Pineapple Guava

Methods: Seed, Stem cuttings, Grafting

Difficulty: Moderate

Tips: Stem cuttings should be taken in late spring or early summer. Use rooting hormone to improve success. Seeds require stratification for optimal germination.

✨ 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

Pineapple Guava

The edible flower petals are a unique feature, offering a sweet and slightly spicy flavor. The fruit has a distinctive pineapple-guava flavor that is highly prized.

  • ✓ Provides edible fruit and flowers.
  • ✓ Offers attractive evergreen foliage.
  • ✓ Attracts pollinators to the garden.
  • ✓ Relatively drought-tolerant once established.
  • ✓ Can be used as a hedge or screen.
  • 🐾 Pet Safe

📅 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.

Pineapple Guava

Repotting Every 2-3 years for container-grown plants, or when roots become pot-bound.
Pruning Prune in late winter or early spring to shape the plant and remove dead or crossing branches. Prune lightly after fruiting to encourage new growth.
Fertilizing Balanced fertilizer (10-10-10) in spring and summer. Use a fertilizer formulated for fruit trees.
Seasonal Care In winter, reduce watering and protect from frost in colder climates. In summer, ensure adequate watering and fertilize regularly.

🌞 Light Requirements

Marrow

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

Low light tolerant: ❌ No

Pineapple Guava

Full sun to partial shade. Requires at least 6 hours of direct sunlight for optimal fruit production.

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.

Pineapple Guava

Water deeply when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. During fruiting, consistent watering is important for fruit development. Signs of underwatering include wilting leaves and dry soil. Overwatering signs include yellowing leaves and soggy soil.

🌡️ Temperature & Humidity

Marrow

Temperature: 18-24°C

Humidity: 40-60%

Pineapple Guava

Temperature: 15-27°C

Humidity: 40-60%

🤔 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.
Pineapple Guava

Pineapple Guava

Acca sellowiana (syn. Feijoa sellowiana)
Care: Expert Time: 30 minutes weekly (more during fruiting season). Beginner: No

Gardeners in mild climates looking for an attractive, edible landscape plant.

✅ Choose This Plant If...

  • You live in a mild climate with long, sunny days.
  • You want an attractive evergreen shrub with edible fruit and flowers.
  • You are willing to hand-pollinate flowers if grown indoors.
  • You have a sunny outdoor space where it can thrive.
  • You are looking for a relatively low-maintenance plant once established.

❌ Skip This Plant If...

  • You live in a cold climate with harsh winters.
  • You don't have a sunny outdoor space.
  • You are looking for a low-maintenance indoor plant.
  • You are not interested in hand-pollinating flowers.
  • You don't have the space for a shrub that can grow to a significant size.
📍 Ideal Location: Sunny patio or garden.
🎨 Style: Mediterranean, Cottage, Natural
🏠 Apartment Friendly: Limited
⚠️ The Pineapple Guava is considered non-toxic to humans and animals. However, it's always best to prevent pets from overeating any plant material.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Pineapple Guava ✓
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

📈

Marrow has fast growth, while Pineapple Guava 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.

Pineapple Guava Care Tips

Pineapple Guava is best suited for outdoor growing. Indoor cultivation is challenging due to high light requirements and the need for pollination to produce fruit. It requires well-draining soil, regular watering, and fertilization. Expect reduced growth and potentially no fruit production indoors.

  • Provide well-draining soil to prevent root rot.
  • Water deeply but infrequently, allowing the soil to dry out slightly between waterings.
  • Fertilize regularly during the growing season with a balanced fertilizer.
  • Prune annually to maintain shape and encourage fruit production.
  • Protect from frost in colder climates.
❄️ Winter: Reduce watering during the winter months. Protect from frost in colder climates by wrapping the plant or moving it to a sheltered location. Avoid fertilizing during dormancy.
☀️ Summer: Ensure adequate watering during hot, dry periods. Fertilize regularly to support growth and fruit production. Provide some afternoon shade in extremely hot climates to prevent leaf scorch.

⚠️ 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.

Pineapple Guava

Common Issues: Scale, Aphids, Fruit drop (indoors due to lack of pollination)
Solutions: Treat scale and aphids with insecticidal soap or neem oil. Hand-pollinate flowers indoors to encourage fruit set. Ensure adequate sunlight to minimize stress.

❓ 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.

Pineapple Guava

What are the light requirements for Pineapple Guava?

Pineapple Guava thrives in bright, indirect light indoors. A south-facing window is ideal, but if the light is too intense, filter it with a sheer curtain. Insufficient light can lead to leggy growth, reduced flowering, and less fruit production. If natural light is limited, supplement with grow lights.

How do I care for Pineapple Guava?

To successfully grow Pineapple Guava indoors, provide bright, indirect light, ideally near a south-facing window. Water thoroughly when the top inch of soil feels dry, ensuring good drainage to prevent root rot. Maintain moderate humidity levels by misting regularly or using a humidifier. Use a well-draining potting mix formulated for fruit trees. Fertilize monthly during the growing season (spring and summer) with a balanced fertilizer.

How do I propagate Pineapple Guava?

Pineapple Guava can be propagated through stem cuttings or air layering. For stem cuttings, take a 4-6 inch semi-hardwood cutting in late spring or early summer. 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 and humid. Roots should develop in 6-8 weeks.

Last updated: April 18, 2026 — Plant care data reviewed and verified by our editorial team.