Kale (Ornamental) vs Mallow 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
Mallow

Mallow

Malva sylvestris

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
Mallow

Mallow

Malva sylvestris

Malva sylvestris, or Common Mallow, is a herbaceous annual, biennial, or perennial plant known for its attractive, often purple-veined, pink to mauve flowers. It typically grows to a height of 2-4 feet. While primarily an outdoor plant, it is sometimes grown indoors, though it requires very bright light and ample space. People grow it for its ornamental value, edible leaves and flowers, and medicinal properties. It's a common sight in gardens, roadsides, and disturbed areas.

Malvaceae Europe, North Africa, Asia
✨ Features: Edible leaves and flowers, medicinal properties (anti-inflammatory, soothing).
📖 Read Complete Mallow Guide

Quick Plant Comparison

Feature Kale (Ornamental) Mallow
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 to thrive.
Watering Every 3-7 days depending on environmental conditions and pot size. Every 5-7 days outdoors, less frequently indoors depending on light and temperature.
Humidity 40-60% 30-50%
Temperature 10-18°C 15-25°C
Care Level Expert Expert
Growth Rate Moderate Moderate
Max Height Indoors: 15-30 cm (6-12 inches) 0.6-1.2 meters (2-4 feet) outdoors, smaller indoors (0.3-0.6 meters)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining potting mix rich in organic matter. Well-draining loamy soil
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 5-10 minutes weekly 15 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.

Mallow

Scientific Name Malva sylvestris
Family Malvaceae
Native To Europe, North Africa, Asia
Also Known As Common Mallow, High Mallow, Cheeseweed Mallow
Leaves The leaves are rounded to kidney-shaped, with lobed or toothed edges. They are typically 5-10 cm in diameter and have a slightly hairy texture. The color is usually a medium to dark green.
Flowers Common Mallow produces attractive, pink to mauve flowers with darker purple veins. The flowers are about 2-5 cm in diameter and bloom from spring to fall. It can flower indoors if given sufficient light, but flowering is less prolific than outdoors.

📏 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.

Mallow

Height 0.6-1.2 meters (2-4 feet) outdoors, smaller indoors (0.3-0.6 meters)
Spread 0.3-0.6 meters (1-2 feet)
Growth Rate Moderate
Growth Pattern Common Mallow grows upright, forming a bushy clump. It can spread through self-seeding, but is not considered aggressively invasive.

🌱 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.

Mallow

Methods: Seed, Stem cuttings

Difficulty: Easy

Tips: For seeds, scarify them lightly and sow in spring. Stem cuttings can be taken in late spring or early summer and rooted in moist soil.

✨ 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

Mallow

Common Mallow is known for its edible leaves and flowers, which have a mild, slightly sweet flavor. It also possesses medicinal properties and has been used traditionally to soothe skin irritations and digestive issues. Its ability to attract pollinators makes it a valuable addition to any garden.

  • ✓ Edible leaves and flowers provide nutrients.
  • ✓ Attracts pollinators to the garden.
  • ✓ Medicinal properties offer potential health benefits.
  • ✓ Adds beauty and charm to outdoor spaces.
  • ✓ Can be used in culinary dishes and herbal teas.
  • ⚠️ 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.

Mallow

Repotting Repot annually in spring if grown in a container.
Pruning Prune to maintain shape and remove dead or damaged foliage. Deadhead spent flowers regularly.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, applied monthly during the growing season (spring and summer).
Seasonal Care In winter, reduce watering and provide protection from frost. In summer, ensure adequate watering and sunlight. Deadhead spent flowers to encourage further blooming.

🌞 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

Mallow

Full sun to partial shade. Requires at least 6 hours of direct sunlight daily to thrive.

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.

Mallow

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Signs of underwatering include wilting leaves; overwatering includes yellowing leaves and soggy soil.

🌡️ Temperature & Humidity

Kale (Ornamental)

Temperature: 10-18°C

Humidity: 40-60%

Mallow

Temperature: 15-25°C

Humidity: 30-50%

🤔 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.
Mallow

Mallow

Malva sylvestris
Care: Expert Time: 15 minutes weekly Beginner: No

Experienced gardeners who want to grow an edible and medicinal plant outdoors.

✅ Choose This Plant If...

  • You want an edible plant with medicinal properties.
  • You enjoy attracting pollinators to your garden.
  • You have a sunny outdoor space.
  • You are an experienced gardener looking for a new challenge.
  • You appreciate the beauty of its delicate flowers.

❌ Skip This Plant If...

  • You have pets that might ingest it.
  • You lack a sunny outdoor space.
  • You are a beginner gardener.
  • You are looking for a low-maintenance indoor plant.
📍 Ideal Location: Sunny garden or patio. If attempting indoors, a south-facing window is essential.
🎨 Style: Cottage garden, Naturalistic, Traditional
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Mallow contains althea, which is toxic to horses, dogs, and cats. Symptoms include vomiting and diarrhea.

🎯 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.

Mallow Care Tips

Common Mallow is primarily an outdoor plant and requires very bright light to thrive indoors. It needs well-draining soil and regular watering. Indoor cultivation is challenging due to its high light requirements and potential for pest infestations. Consistent monitoring is essential.

  • Provide at least 6 hours of direct sunlight daily for optimal growth and flowering.
  • Ensure well-draining soil to prevent root rot.
  • Water deeply but infrequently, allowing the soil to dry slightly between waterings.
  • Fertilize monthly during the growing season with a balanced liquid fertilizer.
  • Protect from frost in winter by mulching around the base of the plant.
❄️ Winter: In winter, reduce watering significantly. If grown outdoors in colder climates, mulch around the base of the plant to protect the roots from frost. Indoor plants should be kept in a cool, bright location.
☀️ Summer: In summer, ensure adequate watering, especially during hot and dry periods. Provide some afternoon shade in extremely hot climates to prevent leaf scorch. Deadhead spent flowers regularly to encourage continued blooming.

⚠️ 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.

Mallow

Common Issues: Aphids, Spider mites, Root rot
Solutions: Aphids/Spider mites: Insecticidal soap or neem oil. Root rot: Improve drainage, reduce watering frequency.

❓ 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.

Mallow

What are the light requirements for Mallow?

Mallow plants thrive in full sun, requiring at least 6 hours of direct sunlight each day to promote abundant blooming. Insufficient light can lead to leggy growth and reduced flower production. An east-facing or south-facing window is ideal for indoor Mallows. If natural light is limited, supplement with a grow light. Rotate the plant regularly to ensure even light exposure on all sides. Avoid placing Mallows in excessively shady locations, as this can weaken the plant and make it more susceptible to pests and diseases. When transitioning Mallows from indoors to outdoors, gradually acclimate them to the increased sunlight to prevent leaf burn.

How do I care for Mallow?

Mallow plants require well-draining soil and should be watered when the top inch of soil feels dry. Provide them with at least 6 hours of sunlight daily for optimal blooming. Fertilize regularly during the growing season with a balanced fertilizer, switching to a bloom-boosting formula as flowering begins. Deadhead spent flowers to encourage continuous blooming. Mallows prefer moderate humidity levels; increase humidity if needed by using a humidifier or placing the plant on a pebble tray. Prune regularly to maintain shape and remove any dead or diseased growth. Protect from frost in colder climates, either by moving potted plants indoors or providing adequate insulation. Monitor for pests and diseases and treat promptly. Repot when the plant becomes root-bound.

How do I propagate Mallow?

Mallow can be propagated through division, stem cuttings, and seed.

Last updated: May 10, 2026 — Plant care data reviewed and verified by our editorial team.