Delphinium vs Malabar Spinach Plant Comparison

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

Delphinium

Delphinium

Delphinium spp.

VS
Malabar Spinach

Malabar Spinach

Basella alba

Delphinium

Delphinium

Delphinium spp.

Delphiniums are perennial herbaceous plants known for their tall, striking flower spikes. They typically grow outdoors and are prized for their vibrant blue, purple, pink, and white flowers. The plant has deeply lobed leaves and a robust stem that supports the flower spike. They are not suited for indoor growing due to their high light requirements and size. People grow them in gardens for their aesthetic appeal and to attract pollinators.

Ranunculaceae Northern Hemisphere, including Europe, Asia, and North America
✨ Features: Attracts pollinators (bees and butterflies)
📖 Read Complete Delphinium Guide
Malabar Spinach

Malabar Spinach

Basella alba

Malabar spinach is a fast-growing, vining plant often grown as a leafy green vegetable. It's not a true spinach but has a similar taste and texture, especially when cooked. The plant features succulent, heart-shaped leaves and can have green or reddish stems, depending on the variety. It thrives in warm climates and is often grown outdoors in gardens or on trellises. While it can be grown indoors, it requires very bright light and ample space to climb, making it challenging for most indoor environments. People grow it for its edible leaves and ornamental value.

Basellaceae Probably native to tropical Asia and Africa
✨ Features: Edible leaves and stems, ornamental value, heat tolerance
📖 Read Complete Malabar Spinach Guide

Quick Plant Comparison

Feature Delphinium Malabar Spinach
Light Full sun (at least 6 hours of direct sunlight per day) Full sun to partial shade outdoors; requires very bright, direct light indoors (at least 6 hours daily)
Watering 2-3 times per week, depending on weather and soil drainage Every 2-3 days outdoors in hot weather; every 5-7 days indoors, depending on light and humidity.
Humidity 40-60% 40-80%
Temperature 15-24°C 20-30°C
Care Level Expert Expert
Growth Rate Moderate Fast
Max Height Not typically grown indoors; outdoors: 0.6-1.8 meters Indoors: 1-2 meters (if supported); Outdoors: up to 9 meters
Pet Safety ❌ Toxic To Pets ✅ Safe
Soil Well-draining, fertile soil rich in organic matter Well-draining, fertile soil rich in organic matter. A mix of potting soil, compost, and perlite is suitable.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes weekly (weeding, watering, deadheading) 30 minutes weekly (including watering, pruning, and fertilizing)

🔬 Botanical Information — Comparing These Plants

Delphinium

Scientific Name Delphinium spp.
Family Ranunculaceae
Native To Northern Hemisphere, including Europe, Asia, and North America
Also Known As Larkspur, Delphinium
Leaves The leaves are deeply lobed and palmate, with a coarse texture. They are typically medium to dark green in color and arranged alternately along the stem.
Flowers Delphiniums rarely, if ever, flower indoors. Outdoors, they produce tall, dense spikes of flowers in shades of blue, purple, pink, and white. The flowers have a distinctive spurred shape.

Malabar Spinach

Scientific Name Basella alba
Family Basellaceae
Native To Probably native to tropical Asia and Africa
Also Known As Malabar spinach, Ceylon spinach, Vine spinach, Red vine spinach, Indian spinach
Leaves The leaves are heart-shaped to oval, succulent, and slightly glossy. They can be green or reddish-purple, depending on the variety. The leaves are typically 5-10 cm long and wide.
Flowers It rarely flowers indoors. Outdoors, it produces small, inconspicuous white or pink flowers in clusters along the stems. The flowers are followed by small, dark purple berries.

📏 Size & Growth — Plant Comparison

Delphinium

Height Not typically grown indoors; outdoors: 0.6-1.8 meters
Spread Outdoors: 0.3-0.6 meters
Growth Rate Moderate
Growth Pattern Upright, with tall, sturdy stems that support the flower spikes. The plant forms a basal rosette of leaves from which the flowering stems emerge.

Malabar Spinach

Height Indoors: 1-2 meters (if supported); Outdoors: up to 9 meters
Spread Indoors: 0.5-1 meter; Outdoors: 1-3 meters
Growth Rate Fast
Growth Pattern It is a vining plant that climbs rapidly with support. It can grow several feet in a single season, twining around trellises, fences, or other structures.

🌱 Propagation — Comparing Plant Growth

Delphinium

Methods: Seed, Division, Stem cuttings

Difficulty: Moderate

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

Malabar Spinach

Methods: Stem cuttings, Seed

Difficulty: Easy

Tips: For stem cuttings, take 4-6 inch cuttings and place them in water or directly into moist soil. Keep the soil consistently moist. For seeds, soak them overnight before planting to improve germination.

✨ Benefits & Features — Comparing Plant Value

Delphinium

Delphiniums are known for their towering flower spikes, which can reach impressive heights. The intense blue color of some varieties is particularly striking and relatively rare in the plant world.

  • ✓ Attracts pollinators to the garden
  • ✓ Adds vibrant color and height to flower beds
  • ✓ Provides cut flowers for arrangements
  • ✓ Enhances the aesthetic appeal of outdoor spaces
  • ✓ Can be used in traditional medicine (with caution and expert knowledge)
  • ⚠️ Toxic to pets

Malabar Spinach

Unlike true spinach, Malabar spinach is very heat-tolerant and thrives in warm climates. Its succulent leaves and stems have a slightly mucilaginous texture, making it a good thickener for soups and stews.

  • ✓ Provides fresh, nutritious greens.
  • ✓ Adds visual interest to gardens and balconies.
  • ✓ Heat-tolerant alternative to spinach.
  • ✓ Can be used in various culinary dishes.
  • ✓ Relatively easy to propagate.
  • 🐾 Pet Safe

📅 Maintenance Schedule — Plant Care Comparison

Delphinium

Repotting Not applicable for indoor growing; for outdoor plants, division may be needed every 3-4 years.
Pruning Deadhead spent flowers to encourage further blooming. Cut back foliage in the fall.
Fertilizing Balanced fertilizer (10-10-10) applied in spring and early summer at half strength
Seasonal Care Spring: Fertilize and provide support for tall flower spikes. Summer: Water regularly and deadhead spent flowers. Fall: Cut back foliage after flowering. Winter: Provide mulch for protection in colder climates.

Malabar Spinach

Repotting If grown in a container, repot annually in spring to refresh the soil and provide more space for the roots.
Pruning Prune regularly to encourage bushier growth and to control the size of the vine. Pinch off the growing tips to promote side shoots.
Fertilizing Balanced liquid fertilizer (e.g., 10-10-10) diluted to half strength, every 2-4 weeks during the growing season.
Seasonal Care In summer, provide ample water and fertilizer. In winter, growth slows down, so reduce watering and fertilization. Protect from frost if grown outdoors.

🌞 Light Requirements

Delphinium

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

Low light tolerant: ❌ No

Malabar Spinach

Full sun to partial shade outdoors; requires very bright, direct light indoors (at least 6 hours daily)

Low light tolerant: ❌ No

💧 Watering Needs

Delphinium

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 mushy stem. Underwatering results in wilting and dry, crispy leaves.

Malabar Spinach

Water deeply when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Ensure good drainage. Signs of underwatering include wilting leaves; signs of overwatering include yellowing leaves and a soggy soil.

🌡️ Temperature & Humidity

Delphinium

Temperature: 15-24°C

Humidity: 40-60%

Malabar Spinach

Temperature: 20-30°C

Humidity: 40-80%

🤔 Which Plant Is Right For You?

Delphinium

Delphinium

Delphinium spp.
Care: Expert Time: 30 minutes weekly (weeding, watering, deadheading) Beginner: No

Gardeners looking to add height and vibrant color to their flower beds.

✅ Choose This Plant If...

  • You want a tall, dramatic flower for your garden.
  • You want to attract pollinators to your yard.
  • You have a sunny garden spot with well-draining soil.
  • You enjoy the classic cottage garden aesthetic.
  • You are an experienced gardener looking for a rewarding challenge.

❌ Skip This Plant If...

  • You have limited sunlight in your home.
  • You have pets or small children who might ingest the plant.
  • You are a beginner gardener looking for an easy-to-grow plant.
📍 Ideal Location: Outdoor garden bed with full sun exposure
🎨 Style: Cottage, Traditional, English Garden
🏠 Apartment Friendly: No
⚠️ Toxic to dogs, cats, and horses. All parts of the plant, especially the seeds, contain toxic alkaloids. Symptoms include gastrointestinal upset, weakness, and potentially cardiac problems.
Malabar Spinach

Malabar Spinach

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

Gardeners in warm climates looking for a fast-growing, edible leafy green.

✅ Choose This Plant If...

  • You want a fast-growing edible green in warm weather.
  • You need a heat-tolerant alternative to spinach.
  • You want a climbing plant for a trellis or fence.
  • You want to add a nutritious leafy green to your diet.
  • You enjoy the ornamental value of the red-stemmed varieties.

❌ Skip This Plant If...

  • You have limited indoor space and light.
  • You live in a cold climate with short growing seasons.
  • You are looking for a low-maintenance indoor plant.
📍 Ideal Location: Outdoors in a sunny garden or on a balcony with a trellis. Indoors: a sunroom or greenhouse with supplemental lighting.
🎨 Style: Tropical, Cottage Garden, Edible Garden
🏠 Apartment Friendly: Limited
⚠️ Malabar spinach is considered non-toxic to humans and pets according to available data. However, individual sensitivities can vary.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Malabar Spinach ✓
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

📈

Delphinium has moderate growth, while Malabar Spinach grows fast.

💡 Pro Tips For Comparing These Plants

Delphinium Care Tips

Delphiniums are primarily outdoor plants and are very challenging to grow indoors due to their high light requirements and need for specific temperature and humidity conditions. They require full sun, well-draining soil, and regular fertilization. Indoor cultivation is not recommended.

  • Provide support for tall flower spikes to prevent them from bending or breaking.
  • Deadhead spent flowers regularly to encourage more blooms.
  • Protect from slugs and snails, especially young plants.
  • Ensure good drainage to prevent root rot.
  • Apply a layer of mulch around the base of the plant to retain moisture and suppress weeds.
❄️ Winter: Cut back foliage after flowering. Apply a layer of mulch around the base of the plant to protect the crown from freezing temperatures. In colder climates, consider providing additional winter protection.
☀️ Summer: Water regularly during hot, dry periods. Deadhead spent flowers to encourage more blooms. Provide support for tall flower spikes to prevent them from bending or breaking in strong winds.

Malabar Spinach Care Tips

Malabar spinach is primarily an outdoor plant that requires full sun and warm temperatures. Growing it indoors is challenging due to its high light requirements and vining growth habit. It needs a strong support structure and frequent watering and fertilization. It is not well-suited for typical indoor conditions.

  • Provide a strong trellis or support structure for the vine to climb.
  • Water deeply and regularly, especially during hot weather.
  • Fertilize every 2-4 weeks during the growing season.
  • Pinch off growing tips to encourage bushier growth.
  • Monitor for pests and diseases and treat promptly.
❄️ Winter: If grown as an annual, the plant will die back in winter. If grown as a perennial in a warm climate, reduce watering and fertilization during the cooler months. Protect from frost.
☀️ Summer: Provide ample water and fertilizer during the summer growing season. Monitor for pests and diseases, especially in humid conditions. Provide shade during the hottest part of the day in extremely hot climates.

⚠️ Common Problems & Solutions — Plant Care Comparison

Delphinium

Common Issues: Powdery mildew, Crown rot, Aphids, Slugs/Snails
Solutions: Powdery mildew: Improve air circulation and apply fungicide. Crown rot: Ensure good drainage and avoid overwatering. Aphids: Spray with insecticidal soap. Slugs/Snails: Use slug bait or handpick.

Malabar Spinach

Common Issues: Aphids, Spider mites, Fungal diseases (especially in humid conditions), Slow growth in insufficient light
Solutions: For aphids and spider mites, use insecticidal soap or neem oil. For fungal diseases, improve air circulation and avoid overwatering. For slow growth, provide more light and fertilizer.

❓ Frequently Asked Questions — Comparing These Plants

Delphinium

What are the light requirements for Delphinium?

Delphiniums are sun-loving plants and require at least six hours of direct sunlight daily to flourish. Insufficient light can lead to weak stems, poor flowering, and increased susceptibility to diseases. In hotter climates, some afternoon shade can be beneficial to prevent scorching. When selecting a location, consider the sun’s path and ensure the plants receive ample morning sun. Delphiniums grown in partial shade may still survive, but their blooms will be significantly diminished. If growing indoors, supplement with grow lights to provide the necessary intensity and duration of light. Rotate the plant regularly to ensure even light exposure.

How do I care for Delphinium?

Delphiniums require specific care to thrive. Plant in well-draining soil enriched with organic matter. Full sun (at least 6 hours daily) is crucial for optimal blooming. Water deeply but infrequently, allowing the soil to dry slightly between waterings. Fertilize regularly during the growing season with a balanced fertilizer, switching to a high-phosphorus fertilizer as buds develop to promote abundant blooms. Stake tall varieties to prevent them from collapsing under the weight of their flowers or in windy conditions. Deadhead spent blooms to encourage reblooming. Protect from slugs and snails, which can damage young plants. Provide adequate air circulation to prevent fungal diseases. Mulch around the base of the plant to retain moisture and suppress weeds.

How do I propagate Delphinium?

Delphiniums can be propagated through division, stem cuttings, and seeds. Division involves separating mature clumps in early spring or fall. Carefully dig up the plant and divide the root ball into sections, ensuring each section has healthy roots and shoots. Stem cuttings can be taken in spring. Select healthy, non-flowering stems and cut them into 4-6 inch sections. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cuttings in a well-draining potting mix and keep them moist. Seeds can be sown indoors in late winter or early spring. Sow seeds thinly in a seed starting mix and keep them moist and warm. Germination typically takes 2-3 weeks.

Malabar Spinach

What are the light requirements for Malabar Spinach?

Malabar Spinach thrives in full sunlight, requiring at least 6-8 hours of direct sunlight each day to promote vigorous growth and abundant leaf production. Insufficient light can lead to leggy growth and reduced leaf size. When growing indoors, place it near a south-facing window or supplement with grow lights. Rotate the plant regularly to ensure even exposure to light on all sides. If the leaves appear pale or the stems are elongated, it is a sign that the plant is not receiving enough light. Ensure the support structure is also well-lit.

How do I care for Malabar Spinach?

Malabar Spinach requires well-draining soil rich in organic matter. Water regularly, especially during hot and dry periods, ensuring the soil remains consistently moist but not waterlogged. Provide a sturdy trellis, fence, or other support structure for the vine to climb. Fertilize every 2-3 weeks during the growing season with a balanced liquid fertilizer. Prune regularly to encourage bushier growth and prevent the vine from becoming too leggy. Position in a location that receives at least 6 hours of direct sunlight daily. Monitor for pests such as aphids and spider mites, and treat promptly if detected. Protect from frost, as it is sensitive to cold temperatures. Provide good air circulation to prevent fungal diseases. Harvest leaves regularly to encourage further production.

How do I propagate Malabar Spinach?

Malabar Spinach can be easily propagated through stem cuttings or layering. For stem cuttings, take a 4-6 inch cutting from a healthy stem. Remove the lower leaves and place the cutting in water or directly into moist potting mix. Keep the cutting in a warm, humid location. Roots should develop within a few weeks. For layering, bend a long stem down to the soil and cover a portion of it with soil, leaving the tip exposed. Once roots develop at the buried portion, cut the stem from the parent plant and transplant the new plant.

Last updated: May 4, 2026 — Plant care data reviewed and verified by our editorial team.