Kohlrabi vs Laurustinus Plant Comparison

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

Kohlrabi

Kohlrabi

Brassica oleracea var. gongylodes

VS
Laurustinus

Laurustinus

Viburnum tinus

Kohlrabi

Kohlrabi

Brassica oleracea var. gongylodes

Kohlrabi is a biennial vegetable cultivated as an annual, known for its swollen, globular stem that grows above ground. It features a crisp, mild flavor similar to a turnip or cabbage. The plant has long-stalked leaves emerging from the bulbous stem. It is primarily grown outdoors in gardens and farms for its edible stem and leaves. While it can be started indoors, it requires full sun and ample space to thrive, making it challenging to grow to maturity indoors. People grow kohlrabi for its unique texture and flavor in salads, stir-fries, and other culinary applications.

Brassicaceae Northern Europe
✨ Features: Edible stem and leaves, high in vitamins and fiber
📖 Read Complete Kohlrabi Guide
Laurustinus

Laurustinus

Viburnum tinus

Viburnum tinus, commonly known as Laurustinus, is an evergreen shrub or small tree. It typically grows to a height of 2-4 meters. It features dark green, glossy, oval leaves and clusters of small, white to pinkish flowers that bloom from late winter to spring. These flowers are followed by bluish-black berries. It is primarily an outdoor plant, valued for its winter flowering and dense foliage, making it a popular choice for hedges, screens, and foundation plantings. While it can be brought indoors temporarily, it's not ideally suited for long-term indoor cultivation.

Adoxaceae Mediterranean region of Europe and North Africa
✨ Features: Winter flowering, evergreen foliage, attracts pollinators
📖 Read Complete Laurustinus Guide

Quick Plant Comparison

Feature Kohlrabi Laurustinus
Light Full sun (at least 6 hours of direct sunlight daily) Full sun to partial shade
Watering Every 2-3 days outdoors, depending on weather conditions Every 1-2 weeks, depending on weather and soil drainage
Humidity 40-60% 30-50%
Temperature 15-24°C 10-24°C
Care Level Expert Expert
Growth Rate Moderate Moderate
Max Height 30-45 cm (outdoors) Rarely exceeds 1 meter indoors (if attempted), typically 2-4 meters outdoors
Pet Safety ✅ Safe ❌ Toxic To Pets
Soil Well-draining, fertile soil rich in organic matter Well-draining soil, slightly acidic to neutral pH
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15-30 minutes weekly 30 minutes monthly (pruning, fertilizing, watering)

🔬 Botanical Information — Comparing These Plants

Kohlrabi

Scientific Name Brassica oleracea var. gongylodes
Family Brassicaceae
Native To Northern Europe
Also Known As German turnip, turnip cabbage
Leaves The leaves of kohlrabi are typically bluish-green, broad, and have a slightly waxy texture. They are attached to the stem by long, slender stalks. The leaf shape can vary, but they are generally oval or rounded with slightly serrated edges.
Flowers Kohlrabi will flower in its second year if allowed to overwinter. The flowers are typical of the Brassica family, with four petals arranged in a cross shape, usually yellow or white. Flowering is rare when grown as an annual for its bulb.

Laurustinus

Scientific Name Viburnum tinus
Family Adoxaceae
Native To Mediterranean region of Europe and North Africa
Also Known As Laurustinus, Laurestine, Laurustine Viburnum
Leaves The leaves are opposite, simple, and oval to lanceolate in shape. They are typically 5-10 cm long and 2-4 cm wide. The upper surface is dark green and glossy, while the underside is paler. The leaves have a leathery texture.
Flowers Laurustinus produces clusters of small, white to pinkish flowers in late winter to spring. The flowers are fragrant and attract pollinators. It is unlikely to flower indoors due to insufficient light and temperature requirements.

📏 Size & Growth — Plant Comparison

Kohlrabi

Height 30-45 cm (outdoors)
Spread 30-45 cm (outdoors)
Growth Rate Moderate
Growth Pattern Kohlrabi grows upright with a globular, swollen stem that forms above the soil surface. Leaves emerge from the stem on long stalks, creating a distinctive appearance. The plant does not spread aggressively.

Laurustinus

Height Rarely exceeds 1 meter indoors (if attempted), typically 2-4 meters outdoors
Spread Rarely exceeds 1 meter indoors (if attempted), typically 1-3 meters outdoors
Growth Rate Moderate
Growth Pattern Laurustinus grows as a dense, multi-stemmed shrub or small tree. It has an upright, bushy habit and can be pruned to maintain a desired shape and size.

🌱 Propagation — Comparing Plant Growth

Kohlrabi

Methods: Seed

Difficulty: Easy

Tips: Start seeds indoors 4-6 weeks before the last frost or direct sow outdoors after the last frost. Keep soil consistently moist.

Laurustinus

Methods: Stem cuttings, Seed

Difficulty: Moderate

Tips: Take semi-hardwood cuttings in late summer or early fall. Dip in rooting hormone and plant in well-draining soil. Keep moist and warm. Seeds require stratification before sowing.

✨ Benefits & Features — Comparing Plant Value

Kohlrabi

Kohlrabi is unique due to its edible, swollen stem that grows above ground, unlike root vegetables. Its mild flavor and crisp texture make it a versatile ingredient in various dishes. The plant also offers edible leaves, adding to its appeal.

  • ✓ Provides fresh, nutritious vegetables
  • ✓ Adds visual interest to the garden
  • ✓ Encourages healthy eating habits
  • ✓ Offers a unique culinary ingredient
  • ✓ Supports sustainable living
  • 🐾 Pet Safe

Laurustinus

Laurustinus is unique for its winter flowering habit, providing color and interest during the colder months. Its evergreen foliage also offers year-round greenery. The combination of flowers and berries adds to its ornamental appeal.

  • ✓ Provides winter interest with its flowers.
  • ✓ Offers evergreen foliage for year-round greenery.
  • ✓ Attracts pollinators to the garden.
  • ✓ Provides screening and privacy.
  • ✓ Relatively low-maintenance once established (outdoors).
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Kohlrabi

Repotting Not applicable, as it's typically grown as an annual.
Pruning Remove yellowing or damaged leaves to encourage growth.
Fertilizing Balanced fertilizer (10-10-10) every 4-6 weeks during the growing season
Seasonal Care Spring/Summer: Plant after the last frost, provide consistent moisture and fertilizer. Fall: Harvest before the first frost.

Laurustinus

Repotting Not applicable for outdoor planting. If grown in a container, repot every 2-3 years in spring.
Pruning Prune after flowering to maintain shape and remove dead or damaged branches.
Fertilizing Balanced slow-release fertilizer in spring, diluted liquid fertilizer monthly during the growing season (spring/summer)
Seasonal Care In winter, reduce watering and protect from harsh winds. In summer, provide adequate moisture and shade during the hottest part of the day. Prune after flowering to maintain shape.

🌞 Light Requirements

Kohlrabi

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

Low light tolerant: ❌ No

Laurustinus

Full sun to partial shade

Low light tolerant: ❌ No

💧 Watering Needs

Kohlrabi

Water deeply when the top inch of soil feels dry. Avoid overwatering, which can lead to rot. Consistent moisture is important for bulb development. Signs of underwatering include wilting leaves and stunted growth. Overwatering can cause yellowing leaves and a mushy stem.

Laurustinus

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. In containers, ensure good drainage. Reduce watering in winter.

🌡️ Temperature & Humidity

Kohlrabi

Temperature: 15-24°C

Humidity: 40-60%

Laurustinus

Temperature: 10-24°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Kohlrabi

Kohlrabi

Brassica oleracea var. gongylodes
Care: Expert Time: 15-30 minutes weekly Beginner: No

Gardeners looking for a unique and nutritious vegetable to grow outdoors.

✅ Choose This Plant If...

  • You have a sunny garden space.
  • You enjoy growing your own vegetables.
  • You want a unique and nutritious addition to your diet.
  • You are looking for a relatively fast-growing crop.
  • You enjoy the taste of cabbage and turnips.

❌ Skip This Plant If...

  • You lack sufficient outdoor space.
  • You cannot provide at least 6 hours of direct sunlight daily.
  • You are looking for a low-maintenance indoor plant.
📍 Ideal Location: Outdoor garden or raised bed with full sun exposure
🎨 Style: Rustic, Cottage Garden
🏠 Apartment Friendly: No
⚠️ According to multiple sources, including the ASPCA, kohlrabi is not listed as toxic to dogs, cats, or horses. All parts of the plant are considered safe for consumption.
Laurustinus

Laurustinus

Viburnum tinus
Care: Expert Time: 30 minutes monthly (pruning, fertilizing, watering) Beginner: No

Gardeners seeking an evergreen shrub with winter flowers for outdoor landscapes.

✅ Choose This Plant If...

  • You need an evergreen shrub for a Mediterranean-style garden.
  • You want a plant that flowers in winter.
  • You need a plant for hedging or screening.
  • You want to attract pollinators to your garden.
  • You have a sunny or partially shaded outdoor location.

❌ Skip This Plant If...

  • You need a plant that is safe for pets.
  • You want a low-maintenance indoor plant.
  • You have limited sunlight indoors.
📍 Ideal Location: Outdoor garden or patio in a sunny or partially shaded location.
🎨 Style: Mediterranean, Traditional, Cottage
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Viburnum species are toxic to dogs, cats, and horses. Symptoms include vomiting and diarrhea. The berries are especially toxic.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

☀️

Kohlrabi needs full sun (at least 6 hours of direct sunlight daily), while Laurustinus prefers full sun to partial shade.

💡 Pro Tips For Comparing These Plants

Kohlrabi Care Tips

Kohlrabi is primarily an outdoor plant that requires full sun and consistent moisture. Growing it indoors is challenging due to the high light requirements and space needed for bulb development. It's best suited for experienced gardeners with outdoor space.

  • Start seeds indoors for an earlier harvest.
  • Ensure well-draining soil to prevent rot.
  • Provide consistent moisture for optimal bulb development.
  • Fertilize regularly during the growing season.
  • Protect from pests like aphids and cabbage worms.
❄️ Winter: Kohlrabi is typically harvested before winter. In milder climates, it may be possible to overwinter the plant with protection, but it's generally grown as an annual.
☀️ Summer: Provide consistent moisture during hot summer months. Protect from intense afternoon sun if necessary. Monitor for pests and diseases and take appropriate action.

Laurustinus Care Tips

Laurustinus is primarily an outdoor plant and requires specific conditions that are difficult to replicate indoors. It needs ample sunlight, well-draining soil, and cooler temperatures. Indoor cultivation is challenging and often results in poor growth and lack of flowering. It is also toxic to pets.

  • Plant in well-draining soil to prevent root rot.
  • Water deeply but infrequently, allowing the soil to dry slightly between waterings.
  • Fertilize in spring with a balanced slow-release fertilizer.
  • Prune after flowering to maintain shape and encourage bushier growth.
  • Protect from harsh winds and frost in colder climates.
❄️ Winter: Reduce watering during winter. Protect from harsh winds and frost, especially young plants. Mulch around the base of the plant to insulate the roots.
☀️ Summer: Provide adequate moisture during hot, dry periods. Shade from intense afternoon sun in hotter climates. Monitor for pests and diseases.

⚠️ Common Problems & Solutions — Plant Care Comparison

Kohlrabi

Common Issues: Aphids, Cabbage worms, Clubroot
Solutions: Aphids: Insecticidal soap; Cabbage worms: Handpick or use Bacillus thuringiensis (Bt); Clubroot: Improve soil drainage and pH, use disease-resistant varieties.

Laurustinus

Common Issues: Leaf spot, Aphids, Root rot, Lack of flowering (indoors)
Solutions: Leaf spot: Treat with fungicide. | Aphids: Spray with insecticidal soap. | Root rot: Improve drainage and reduce watering. | Lack of flowering (indoors): Provide more light and cooler temperatures.

❓ Frequently Asked Questions — Comparing These Plants

Kohlrabi

What are the light requirements for Kohlrabi?

Kohlrabi thrives in full sun, requiring at least 6 hours of direct sunlight per day to produce healthy bulbs. Insufficient light can lead to leggy growth and smaller, less flavorful bulbs. In hotter climates, providing some afternoon shade can prevent the plant from bolting (prematurely going to seed). When growing indoors, place Kohlrabi near a south-facing window or use grow lights to supplement natural light. Rotate the plants regularly to ensure even light exposure on all sides. Monitor the leaves for signs of insufficient light, such as pale color or elongated stems, and adjust the light accordingly.

How do I care for Kohlrabi?

Kohlrabi requires well-draining soil rich in organic matter. Plant seeds directly in the garden or start indoors 4-6 weeks before the last frost. Space plants 6-8 inches apart in rows 12-18 inches apart. Water regularly, keeping the soil consistently moist but not waterlogged. Fertilize every 2-3 weeks with a balanced fertilizer, paying attention to potassium levels to promote strong bulb development. Kohlrabi prefers full sun but can tolerate partial shade, especially in warmer climates. Harvest when the bulb reaches 2-3 inches in diameter for the best flavor and texture. Protect from pests like cabbage worms and aphids with appropriate organic pest control methods. Rotate crops annually to prevent soilborne diseases.

How do I propagate Kohlrabi?

Kohlrabi is typically propagated by seed, but it is possible to propagate it through vegetative methods, although less common.

Laurustinus

What are the light requirements for Laurustinus?

Laurustinus thrives best in full sun to partial shade. While it can tolerate full sun, especially in cooler climates, it appreciates some afternoon shade in hotter regions to prevent scorching of the leaves. In partial shade, it will still produce flowers, although the bloom may be less profuse compared to plants grown in full sun. Insufficient light can lead to leggy growth and reduced flowering.

How do I care for Laurustinus?

Laurustinus is generally easy to care for, thriving in well-drained soil and full sun to partial shade. Water regularly, especially during dry periods, until established. Once established, it’s relatively drought-tolerant. Fertilize in early spring with a balanced fertilizer to promote healthy growth and abundant flowering. Prune after flowering to maintain shape and remove any dead or damaged branches.

How do I propagate Laurustinus?

Laurustinus can be propagated through several methods, including stem cuttings, layering, and seed. Stem cuttings are the most common and easiest method. Take semi-hardwood cuttings in late summer or early fall, about 4-6 inches long. 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.

Last updated: May 7, 2026 — Plant care data reviewed and verified by our editorial team.