Mallow vs Silver Dollar Plant Plant Comparison

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

Mallow

Mallow

Malva sylvestris

VS
Silver Dollar Plant

Silver Dollar Plant

Lunaria annua

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
Silver Dollar Plant

Silver Dollar Plant

Lunaria annua

Lunaria annua, commonly known as the Silver Dollar Plant, is a biennial plant grown for its distinctive, translucent seedpods that resemble silver coins. It typically reaches a height of 60-90 cm. In the first year, it develops foliage, and in the second year, it produces fragrant, purple or white flowers in spring, followed by the iconic flattened seedpods. While sometimes grown indoors, it is primarily an outdoor plant, often used in dried flower arrangements. People grow it for its unique ornamental value and the beauty of its dried seedpods.

Brassicaceae Southeastern Europe and Western Asia
✨ Features: Attractive seedpods, fragrant flowers, used in dried flower arrangements.
📖 Read Complete Silver Dollar Plant Guide

Quick Plant Comparison

Feature Mallow Silver Dollar Plant
Light Full sun to partial shade. Requires at least 6 hours of direct sunlight daily to thrive. Full sun to partial shade outdoors. Indoors, requires very bright, direct light for several hours daily.
Watering Every 5-7 days outdoors, less frequently indoors depending on light and temperature. Outdoors: Every 5-7 days during growing season. Indoors: Every 7-10 days, adjust based on light and temperature.
Humidity 30-50% 30-50%
Temperature 15-25°C 15-24°C
Care Level Expert Expert
Growth Rate Moderate Fast
Max Height 0.6-1.2 meters (2-4 feet) outdoors, smaller indoors (0.3-0.6 meters) Outdoors: 60-90 cm. Indoors: 30-60 cm (smaller due to limited space and light).
Pet Safety ❌ Toxic To Pets ❌ Mildly Toxic
Soil Well-draining loamy soil Well-draining garden soil or potting mix.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15 minutes weekly 15 minutes weekly

🔬 Botanical Information — Comparing These Plants

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.

Silver Dollar Plant

Scientific Name Lunaria annua
Family Brassicaceae
Native To Southeastern Europe and Western Asia
Also Known As Silver Dollar Plant, Honesty, Money Plant, Moonwort, Penny Flower
Leaves The leaves are ovate to heart-shaped, with toothed edges. They are typically green and can be slightly hairy.
Flowers It produces fragrant, four-petaled flowers in spring, typically purple or white. Flowers are followed by the development of the seedpods.

📏 Size & Growth — Plant Comparison

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.

Silver Dollar Plant

Height Outdoors: 60-90 cm. Indoors: 30-60 cm (smaller due to limited space and light).
Spread 30-45 cm
Growth Rate Fast
Growth Pattern Upright, branching biennial. In the first year, it forms a rosette of basal leaves. In the second year, it sends up a flowering stalk.

🌱 Propagation — Comparing Plant Growth

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.

Silver Dollar Plant

Methods: Seed

Difficulty: Easy

Tips: Sow seeds directly into the garden in spring or fall. For indoor propagation, start seeds indoors 6-8 weeks before the last frost. Keep soil consistently moist until germination.

✨ Benefits & Features — Comparing Plant Value

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

Silver Dollar Plant

The most distinctive feature is its translucent, silvery seedpods, which are revealed after the outer layers of the pod dry and fall off. These pods are popular for dried flower arrangements and add a unique textural element to gardens.

  • ✓ Aesthetic appeal with unique seedpods.
  • ✓ Fragrant flowers in spring.
  • ✓ Attracts pollinators to the garden.
  • ✓ Provides material for dried flower arrangements.
  • ✓ Adds visual interest to the garden throughout the year.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

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.

Silver Dollar Plant

Repotting Not typically repotted if grown outdoors. If grown indoors, repot annually in spring.
Pruning Prune spent flower stalks to encourage seedpod development. Remove any dead or diseased foliage.
Fertilizing Balanced liquid fertilizer diluted to half strength, applied monthly during the growing season (spring and summer).
Seasonal Care Spring/Summer: Regular watering and fertilization. Fall: Allow seedpods to dry on the plant. Winter: Dormancy; reduce watering.

🌞 Light Requirements

Mallow

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

Low light tolerant: ❌ No

Silver Dollar Plant

Full sun to partial shade outdoors. Indoors, requires very bright, direct light for several hours daily.

Low light tolerant: ❌ No

💧 Watering Needs

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.

Silver Dollar Plant

Outdoors, water regularly, allowing the soil to dry slightly between waterings. Indoors, water thoroughly when the top inch of soil is dry. Overwatering can lead to root rot. Underwatering will cause leaves to wilt and dry.

🌡️ Temperature & Humidity

Mallow

Temperature: 15-25°C

Humidity: 30-50%

Silver Dollar Plant

Temperature: 15-24°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

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.
Silver Dollar Plant

Silver Dollar Plant

Lunaria annua
Care: Expert Time: 15 minutes weekly Beginner: No

Gardeners who want a unique ornamental plant for dried flower arrangements and have a sunny outdoor space.

✅ Choose This Plant If...

  • You want a unique plant for dried flower arrangements.
  • You have a sunny outdoor garden space.
  • You appreciate the silvery seedpods.
  • You enjoy fragrant flowers in the spring.
  • You are experienced with gardening and can provide the specific care this plant needs.

❌ Skip This Plant If...

  • You have limited sunlight indoors.
  • You are a beginner gardener.
  • You have pets that might ingest the seeds.
  • You don't have an outdoor garden space.
📍 Ideal Location: Sunny garden bed or border. Indoors: South-facing window.
🎨 Style: Cottage, Rustic, Bohemian
🏠 Apartment Friendly: Limited
⚠️ The seeds contain saponins, which can cause mild gastrointestinal upset if ingested by humans or pets. Symptoms may include nausea, vomiting, and diarrhea. Contact with the sap may cause skin irritation in sensitive individuals.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

📈

Mallow has moderate growth, while Silver Dollar Plant grows fast.

💡 Pro Tips For Comparing These Plants

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.

Silver Dollar Plant Care Tips

Silver Dollar Plant is primarily an outdoor plant and requires very bright light to thrive indoors. It is challenging to grow indoors due to its high light requirements and susceptibility to pests. Requires well-draining soil and careful watering to prevent root rot.

  • Provide well-draining soil to prevent root rot.
  • Ensure at least 6 hours of direct sunlight daily.
  • Fertilize monthly during the growing season.
  • Allow seedpods to dry on the plant before harvesting.
  • Protect from strong winds.
❄️ Winter: Reduce watering during the winter months. Protect from frost in colder climates. Mulch around the base of the plant to insulate the roots.
☀️ Summer: Water regularly during hot, dry periods. Provide afternoon shade in extremely hot climates to prevent leaf scorch.

⚠️ Common Problems & Solutions — Plant Care Comparison

Mallow

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

Silver Dollar Plant

Common Issues: Powdery mildew, aphids, root rot, legginess (due to insufficient light).
Solutions: Powdery mildew: Improve air circulation and apply a fungicide. Aphids: Spray with insecticidal soap. Root rot: Ensure well-draining soil and avoid overwatering. Legginess: Provide more light.

❓ Frequently Asked Questions — Comparing These Plants

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.

Silver Dollar Plant

What are the light requirements for Silver Dollar Plant?

Silver Dollar Plants thrive in bright, indirect light. A spot near an east- or west-facing window is ideal. They can tolerate some direct morning sun, but avoid harsh afternoon sun, which can scorch their delicate leaves. If your plant is not receiving enough light, it may become leggy and the leaves may lose their vibrant color. Rotate the plant regularly to ensure even growth on all sides. If natural light is insufficient, consider supplementing with a grow light. Insufficient light will cause etiolation, where the stems stretch in search of light.

How do I care for Silver Dollar Plant?

Silver Dollar Plants are relatively easy to care for, making them ideal for beginners. Provide bright, indirect light; direct sunlight can scorch the leaves. Water thoroughly only when the soil is completely dry, typically every 2-4 weeks, depending on the environment. Use well-draining soil, such as a cactus or succulent mix, to prevent root rot. Ensure the pot has drainage holes. Fertilize sparingly, only during the growing season (spring and summer), with a diluted succulent fertilizer. Maintain temperatures between 65-75°F (18-24°C). Avoid overwatering, as this is the most common cause of problems. Prune any dead or yellowing leaves to encourage healthy growth. Repot every 1-2 years, or when the plant becomes root-bound.

How do I propagate Silver Dollar Plant?

Silver Dollar Plants can be easily propagated through leaf cuttings, offsets, or stem cuttings. For leaf cuttings, allow the cut end to callous over for a few days, then place it on well-draining soil. Keep the soil slightly moist until roots develop. Offsets can be carefully separated from the mother plant and planted in their own pots. For stem cuttings, take a 2-3 inch cutting, allow it to callous, and then plant it in well-draining soil. Provide bright, indirect light and water sparingly until the new plant establishes itself. Propagation is best done during the growing season. With proper care, new plants will develop within a few weeks.

Last updated: April 30, 2026 — Plant care data reviewed and verified by our editorial team.