Kale (Ornamental) vs Mexican Honeysuckle Plant Comparison

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

Kale (Ornamental)

Kale (Ornamental)

Brassica oleracea var. sabellica

VS
Mexican Honeysuckle

Mexican Honeysuckle

Justicia spicigera

Kale (Ornamental)

Kale (Ornamental)

Brassica oleracea var. sabellica

Ornamental kale is a cool-season biennial grown as an annual for its vibrant, colorful foliage. It is not grown for consumption, though it is related to edible kale. The plant forms a rosette of frilly or ruffled leaves in shades of white, pink, purple, and red. Ornamental kale is primarily an outdoor plant, thriving in cooler temperatures and full sun. It is often used in fall and winter gardens for its striking visual appeal, providing color when many other plants are dormant. While technically possible to grow indoors, it is challenging to provide the necessary light and temperature conditions for optimal growth.

Brassicaceae Europe and Asia
✨ Features: Provides vibrant color in cool-season gardens.
📖 Read Complete Kale (Ornamental) Guide
Mexican Honeysuckle

Mexican Honeysuckle

Justicia spicigera

Justicia spicigera, commonly known as Mexican Honeysuckle, is a shrub native to Mexico. It typically grows to a height of 3-5 feet. It features lance-shaped, dark green leaves and produces vibrant orange, tubular flowers that bloom profusely, attracting hummingbirds and butterflies. It is primarily grown outdoors in warm climates for its ornamental value and its ability to attract pollinators. While it can be grown in containers, it requires significant sunlight and humidity to thrive indoors, making it challenging for most home environments.

Acanthaceae Mexico
✨ Features: Attracts hummingbirds and butterflies.
📖 Read Complete Mexican Honeysuckle Guide

Quick Plant Comparison

Feature Kale (Ornamental) Mexican Honeysuckle
Light Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for best color development. Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal flowering.
Watering Every 3-7 days depending on environmental conditions and pot size. Every 5-7 days during the growing season, less frequently in winter.
Humidity 40-60% 40-60%
Temperature 10-18°C 18-27°C
Care Level Expert Expert
Growth Rate Moderate Moderate
Max Height Indoors: 15-30 cm (6-12 inches) 1-2 feet (indoors, in a container)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining potting mix rich in organic matter. Well-draining potting mix with added perlite or sand.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 5-10 minutes weekly 30 minutes weekly

🔬 Botanical Information — Comparing These Plants

Kale (Ornamental)

Scientific Name Brassica oleracea var. sabellica
Family Brassicaceae
Native To Europe and Asia
Also Known As Ornamental Kale, Flowering Kale, Decorative Kale
Leaves The leaves of ornamental kale are broad and frilly or ruffled, with varying degrees of texture. They come in a range of colors, including white, pink, purple, and red, often with contrasting veins and edges. The leaves can be quite large, reaching up to 30 cm (12 inches) in diameter.
Flowers Ornamental kale will bolt and produce flowers in its second year, typically after a period of cold exposure. The flowers are small and yellow, similar to other members of the Brassica family. However, it is typically grown as an annual, so flowering is not common.

Mexican Honeysuckle

Scientific Name Justicia spicigera
Family Acanthaceae
Native To Mexico
Also Known As Mexican Honeysuckle, Firecracker Plant, Mohintli
Leaves The leaves are lance-shaped, dark green, and approximately 2-4 inches long. They have a slightly rough texture and are arranged oppositely along the stems.
Flowers It rarely flowers indoors due to insufficient light. Outdoors, it produces vibrant orange, tubular flowers that are about 1-2 inches long. The flowers bloom profusely during the warmer months.

📏 Size & Growth — Plant Comparison

Kale (Ornamental)

Height Indoors: 15-30 cm (6-12 inches)
Spread Indoors: 15-30 cm (6-12 inches)
Growth Rate Moderate
Growth Pattern Ornamental kale grows in a rosette shape, forming a dense cluster of leaves. It does not typically spread aggressively and maintains a compact form.

Mexican Honeysuckle

Height 1-2 feet (indoors, in a container)
Spread 1-2 feet (indoors, in a container)
Growth Rate Moderate
Growth Pattern It grows as a shrub with multiple stems, reaching a height of 3-5 feet outdoors. Indoors, it can be maintained at a smaller size with regular pruning. It has an upright, bushy growth habit.

🌱 Propagation — Comparing Plant Growth

Kale (Ornamental)

Methods: Seed

Difficulty: Easy

Tips: Sow seeds indoors 6-8 weeks before the last expected frost. Keep soil moist and provide adequate light. Transplant seedlings outdoors after the danger of frost has passed.

Mexican Honeysuckle

Methods: Stem cuttings, Seed

Difficulty: Easy

Tips: Take stem cuttings in spring or summer. Dip the cut end in rooting hormone and plant in moist potting mix. Keep the cutting in a warm, humid environment until roots develop.

✨ Benefits & Features — Comparing Plant Value

Kale (Ornamental)

Ornamental kale is unique for its vibrant, non-traditional colors and frilly or ruffled leaves. Unlike edible kale, it is primarily grown for its aesthetic appeal. Its colors intensify in cooler temperatures, making it a popular choice for fall and winter gardens.

  • ✓ Adds vibrant color to gardens during cooler months.
  • ✓ Attracts beneficial insects.
  • ✓ Provides a unique visual element.
  • ✓ Relatively low-maintenance outdoors.
  • ✓ Can be used in cut flower arrangements.
  • ⚠️ Toxic to pets

Mexican Honeysuckle

The vibrant orange, tubular flowers are a major attraction for hummingbirds and butterflies. The plant's traditional use in Mexican folk medicine adds to its cultural significance.

  • ✓ Attracts pollinators like hummingbirds and butterflies.
  • ✓ Adds vibrant color to the garden.
  • ✓ Provides a natural remedy for respiratory ailments (in traditional medicine).
  • ✓ Enhances the aesthetic appeal of outdoor spaces.
  • ✓ Relatively easy to propagate.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Kale (Ornamental)

Repotting Not typically repotted as it is grown as an annual.
Pruning Remove yellowing or damaged leaves to maintain appearance and prevent disease.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, every 2-4 weeks during the growing season.
Seasonal Care In winter, protect from extreme cold. In summer, provide shade during the hottest part of the day. Ornamental kale thrives in cooler temperatures.

Mexican Honeysuckle

Repotting Repot every 1-2 years in spring, or when the plant becomes root-bound.
Pruning Prune regularly to maintain shape and encourage blooming. Remove dead or damaged branches.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, every 4-6 weeks during the growing season.
Seasonal Care In winter, reduce watering and protect from frost. In summer, provide ample water and sunlight. Prune after flowering to encourage new growth.

🌞 Light Requirements

Kale (Ornamental)

Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for best color development.

Low light tolerant: ❌ No

Mexican Honeysuckle

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

Low light tolerant: ❌ No

💧 Watering Needs

Kale (Ornamental)

Water thoroughly 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; overwatering includes yellowing leaves and a soggy soil.

Mexican Honeysuckle

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. In hotter months, more frequent watering may be necessary. Signs of underwatering include wilting leaves, while overwatering can cause yellowing leaves and soggy soil.

🌡️ Temperature & Humidity

Kale (Ornamental)

Temperature: 10-18°C

Humidity: 40-60%

Mexican Honeysuckle

Temperature: 18-27°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Kale (Ornamental)

Kale (Ornamental)

Brassica oleracea var. sabellica
Care: Expert Time: 5-10 minutes weekly Beginner: No

Gardeners looking to add color to their fall and winter gardens in cooler climates.

✅ Choose This Plant If...

  • You want vibrant color in your fall and winter garden.
  • You live in a cooler climate where it thrives.
  • You enjoy unique and visually striking foliage.
  • You are looking for a low-maintenance outdoor plant for seasonal displays.
  • You want to attract beneficial insects to your garden.

❌ Skip This Plant If...

  • You live in a hot climate where it will struggle.
  • You are looking for an easy indoor plant.
  • You have pets that might ingest it.
  • You prefer edible kale varieties for culinary purposes.
📍 Ideal Location: Outdoors in a sunny garden bed or container.
🎨 Style: Cottagecore, Rustic, Seasonal
🏠 Apartment Friendly: Limited
⚠️ Ornamental kale contains glucosinolates, which can cause gastrointestinal upset in dogs, cats, and horses if ingested in large quantities. Symptoms include vomiting, diarrhea, and abdominal pain. All parts of the plant are potentially toxic.
Mexican Honeysuckle

Mexican Honeysuckle

Justicia spicigera
Care: Expert Time: 30 minutes weekly Beginner: No

Experienced gardeners in warm climates who want to attract hummingbirds and butterflies to their outdoor space.

✅ Choose This Plant If...

  • You live in a warm climate with plenty of sunshine.
  • You want to attract hummingbirds and butterflies to your garden.
  • You enjoy vibrant orange flowers.
  • You are an experienced gardener looking for a rewarding plant.
  • You have a large outdoor space to accommodate its growth.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You live in a cold climate with limited sunlight.
  • You are a beginner gardener.
  • You don't have much outdoor space.
  • You are looking for a low-maintenance indoor plant.
📍 Ideal Location: Sunny patio or garden.
🎨 Style: Tropical, Southwestern, Cottage
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Justicia species are toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, and dermatitis. All parts of the plant are considered toxic.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

🌿

Both plants have similar basic care requirements but differ in appearance and specific needs. Compare plants carefully to find the best fit for your space.

💡 Pro Tips For Comparing These Plants

Kale (Ornamental) Care Tips

Ornamental kale is primarily an outdoor plant and requires specific conditions to thrive indoors. Providing sufficient light and cool temperatures is crucial. Indoor growth is often less vibrant and shorter-lived than outdoor growth. Requires vigilant monitoring for pests and diseases.

  • Provide at least 6 hours of direct sunlight daily for best color development.
  • Water thoroughly when the top inch of soil feels dry.
  • Fertilize every 2-4 weeks during the growing season with a balanced liquid fertilizer.
  • Protect from extreme cold in winter.
  • Remove yellowing or damaged leaves to prevent disease.
❄️ Winter: Protect from extreme cold by covering with a frost blanket or moving to a sheltered location. Reduce watering frequency during periods of dormancy.
☀️ Summer: Provide shade during the hottest part of the day to prevent scorching. Ensure adequate watering to prevent wilting. Monitor for pests and diseases, which can be more prevalent in warmer weather.

Mexican Honeysuckle Care Tips

Mexican Honeysuckle is best suited for outdoor environments with ample sunlight. Indoor cultivation is challenging due to its high light and humidity requirements. It needs regular pruning to maintain shape and encourage blooming. It is toxic to pets, so caution is needed.

  • Provide at least 6 hours of direct sunlight daily.
  • Water deeply but infrequently, allowing the soil to dry out slightly between waterings.
  • Fertilize regularly during the growing season with a balanced fertilizer.
  • Prune after flowering to encourage new growth and maintain shape.
  • Protect from frost in colder climates.
❄️ Winter: Reduce watering significantly during winter. Protect from frost by moving potted plants indoors or covering them with frost cloth. Avoid fertilizing during the dormant period.
☀️ Summer: Provide ample water and sunlight during the summer months. Fertilize regularly to support flowering. Monitor for pests and diseases and treat promptly.

⚠️ Common Problems & Solutions — Plant Care Comparison

Kale (Ornamental)

Common Issues: Aphids, Cabbage White Butterfly caterpillars, Root rot, Powdery mildew
Solutions: Aphids: Insecticidal soap or neem oil. Cabbage White Butterfly caterpillars: Handpick caterpillars or use Bacillus thuringiensis (Bt). Root rot: Ensure good drainage and avoid overwatering. Powdery mildew: Improve air circulation and apply a fungicide.

Mexican Honeysuckle

Common Issues: Spider mites, Aphids, Root rot, Lack of flowering
Solutions: Spider mites: Treat with insecticidal soap or neem oil. Aphids: Wash off with a strong stream of water or use insecticidal soap. Root rot: Ensure well-draining soil and avoid overwatering. Lack of flowering: Provide more sunlight and fertilize regularly.

❓ Frequently Asked Questions — Comparing These Plants

Kale (Ornamental)

What are the light requirements for Kale (Ornamental)?

Ornamental kale needs at least 6 hours of direct sunlight per day to develop its best color. In hotter climates, providing some afternoon shade can prevent the leaves from scorching. If growing indoors, place near a south-facing window or supplement with grow lights. Insufficient light can result in leggy growth and faded colors. Rotate the plant regularly to ensure even light exposure on all sides. If the plant is not getting enough light, the colors will be less intense and the leaves may turn more green than purple or pink.

How do I care for Kale (Ornamental)?

Ornamental kale thrives in cool weather and requires full sun to partial shade. Plant in well-draining soil with a slightly acidic to neutral pH. Water regularly, keeping the soil consistently moist but not waterlogged, especially during dry periods. Fertilize every 2-3 weeks with a balanced liquid fertilizer diluted to half strength, especially during the growing season to encourage vibrant colors. Deadhead any fading or damaged leaves to maintain a tidy appearance and promote new growth. Protect from extreme cold and frost, as this can damage the foliage. Mulch around the base of the plant to retain moisture and suppress weeds. Monitor for pests such as aphids and cabbage worms, and treat accordingly with insecticidal soap or neem oil.

How do I propagate Kale (Ornamental)?

Ornamental kale is typically grown from seed, but it can also be propagated by stem cuttings.

Mexican Honeysuckle

What are the light requirements for Mexican Honeysuckle?

Mexican Honeysuckle requires ample sunlight to produce abundant blooms. Ideally, provide at least 6 hours of direct sunlight daily. In hotter climates, afternoon shade can prevent scorching. Insufficient light can result in fewer flowers and leggy growth. If growing indoors, place near a sunny window or supplement with grow lights. Rotate the plant regularly to ensure even light exposure. During the winter months, when sunlight is less intense, consider using grow lights to maintain optimal light levels. A south-facing window is ideal for indoor plants.

How do I care for Mexican Honeysuckle?

Mexican Honeysuckle thrives in well-draining soil and prefers full sun to partial shade. Water regularly, allowing the soil to dry slightly between waterings. Fertilize monthly during the growing season (spring and summer) with a balanced fertilizer to encourage blooming. Prune lightly after flowering to maintain shape and promote bushier growth. Protect from frost in colder climates by bringing container plants indoors or providing adequate cover. Ensure good air circulation to prevent fungal diseases. Monitor for pests such as aphids and treat as needed. Repot every 1-2 years as needed. Provide support for climbing varieties. Maintain humidity levels around 50-60%.

How do I propagate Mexican Honeysuckle?

Mexican Honeysuckle can be easily propagated through stem cuttings or division. For stem cuttings, take a 4-6 inch cutting from a healthy stem, remove the lower leaves, and dip the cut end in rooting hormone. Plant the cutting in moist potting mix and keep it humid by covering it with a plastic bag or dome. Roots should develop in 4-6 weeks. For division, carefully dig up a mature plant and separate the root ball into smaller sections, ensuring each section has healthy roots and stems. Replant the divisions in separate pots. Keiki propagation is not applicable to Mexican Honeysuckle.

Last updated: May 12, 2026 — Plant care data reviewed and verified by our editorial team.