Mullein vs Wintergreen Plant Comparison

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

Mullein

Mullein

Verbascum thapsus

VS
Wintergreen

Wintergreen

Gaultheria procumbens

Mullein

Mullein

Verbascum thapsus

Great Mullein is a biennial plant characterized by a rosette of large, velvety, gray-green leaves in its first year. In the second year, it sends up a tall, erect flower stalk that can reach up to 2 meters in height. This stalk is densely covered with small, yellow flowers that bloom sequentially from the bottom upwards. It's primarily an outdoor plant, grown for its striking architectural form and traditional medicinal uses. Indoor cultivation is extremely challenging due to its need for intense sunlight and space.

Scrophulariaceae Europe, Asia, North Africa; naturalized in the Americas and Australia
✨ Features: Attracts pollinators, medicinal properties (traditional uses), striking architectural form
📖 Read Complete Mullein Guide
Wintergreen

Wintergreen

Gaultheria procumbens

Gaultheria procumbens, commonly known as wintergreen, is a low-growing, evergreen shrub typically reaching only 10-15 cm in height. It features glossy, dark green leaves that turn reddish-bronze in the winter. The plant produces small, bell-shaped white flowers in the summer, followed by bright red berries that persist throughout the winter. Wintergreen is primarily an outdoor plant, thriving in acidic, well-drained soil in woodland settings. It is grown for its attractive foliage, colorful berries, and the characteristic wintergreen scent released when the leaves are crushed. Cultivating it indoors is challenging due to its specific environmental needs.

Ericaceae Eastern North America
✨ Features: Aromatic foliage, attractive red berries, and medicinal properties (use with extreme caution due to toxicity).
📖 Read Complete Wintergreen Guide

Quick Plant Comparison

Feature Mullein Wintergreen
Light Full sun (at least 6-8 hours of direct sunlight daily) Partial shade to full shade
Watering Every 2-4 weeks, depending on weather and soil drainage Every 7-10 days, depending on environmental conditions
Humidity 30-50% 30-50%
Temperature 10-30°C 10-21°C
Care Level Expert Expert
Growth Rate Moderate To Fast Slow
Max Height 1-2 meters (outdoor) 10-15 cm (indoors unlikely to thrive)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining, sandy or gravelly soil. Mullein tolerates poor soil conditions. Acidic, well-drained soil rich in organic matter (e.g., a mix of peat moss, sand, and compost)
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 5 minutes weekly (weeding, deadheading) 15 minutes weekly (mostly for watering and checking for pests)

🔬 Botanical Information — Comparing These Plants

Mullein

Scientific Name Verbascum thapsus
Family Scrophulariaceae
Native To Europe, Asia, North Africa; naturalized in the Americas and Australia
Also Known As Great Mullein, Common Mullein, Woolly Mullein, Aaron's Rod
Leaves The leaves of Mullein are large, oblong to lance-shaped, and covered in dense, woolly hairs, giving them a soft, velvety texture and a gray-green color. The basal leaves can be up to 30 cm long, while the stem leaves are smaller and alternate along the flower stalk.
Flowers Mullein produces numerous small, yellow flowers that are densely packed along the upper portion of the flower stalk. The flowers bloom sequentially from the bottom upwards over a long period in summer.

Wintergreen

Scientific Name Gaultheria procumbens
Family Ericaceae
Native To Eastern North America
Also Known As Eastern Teaberry, Checkerberry, Boxberry, American Wintergreen
Leaves The leaves are oval-shaped, glossy, and dark green, measuring 2-5 cm long. They turn reddish-bronze in the winter.
Flowers It produces small, bell-shaped white flowers in the summer, but flowering is unlikely indoors.

📏 Size & Growth — Plant Comparison

Mullein

Height 1-2 meters (outdoor)
Spread 30-60 cm
Growth Rate Moderate To Fast
Growth Pattern Mullein grows as a rosette of basal leaves in its first year. In the second year, it sends up a tall, erect flower stalk that can reach up to 2 meters in height. The plant is monocarpic, meaning it dies after flowering and setting seed.

Wintergreen

Height 10-15 cm (indoors unlikely to thrive)
Spread Spreads via rhizomes, potentially covering a wide area outdoors. Limited spread indoors in a container.
Growth Rate Slow
Growth Pattern It grows as a low-spreading groundcover, spreading via rhizomes to form colonies.

🌱 Propagation — Comparing Plant Growth

Mullein

Methods: Seed

Difficulty: Easy

Tips: Sow seeds directly into the ground in spring or fall. Mullein seeds require light to germinate, so do not bury them deeply. Keep the soil moist until germination occurs.

Wintergreen

Methods: Seed, rhizome division, stem cuttings

Difficulty: Moderate

Tips: Seeds require cold stratification. Rhizome division is best done in spring or fall. Stem cuttings should be taken from semi-hardwood in late summer.

✨ Benefits & Features — Comparing Plant Value

Mullein

Mullein's velvety leaves and tall flower stalk make it a striking addition to any garden. Its drought tolerance and ability to thrive in poor soil make it a low-maintenance choice for challenging locations.

  • ✓ Attracts pollinators
  • ✓ Drought-tolerant
  • ✓ Unique architectural form
  • ✓ Traditional medicinal uses
  • ✓ Low maintenance
  • ⚠️ Toxic to pets

Wintergreen

Wintergreen is unique for its evergreen foliage, bright red berries, and characteristic wintergreen scent. The leaves contain methyl salicylate, which gives them their distinctive aroma and flavor.

  • ✓ Provides groundcover in shady areas
  • ✓ Attracts birds and other wildlife
  • ✓ Adds winter interest with its red berries
  • ✓ Offers a pleasant wintergreen aroma
  • ✓ Has a history of traditional medicinal uses (with caution)
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Mullein

Repotting Not applicable for outdoor plants. If attempting indoor cultivation, repot annually in spring into a larger container with fresh soil.
Pruning Remove spent flower stalks after blooming to prevent self-seeding. Prune any dead or damaged leaves.
Fertilizing Generally not needed. Mullein thrives in nutrient-poor soil. If desired, a light application of a balanced fertilizer in early spring can be used, but avoid over-fertilizing.
Seasonal Care In winter, the above-ground parts of the plant die back. Protect young plants from frost. In summer, ensure adequate watering during dry spells.

Wintergreen

Repotting Not typically repotted if grown outdoors. If attempted indoors, repot every 2-3 years in spring.
Pruning Minimal pruning needed; remove dead or damaged foliage as necessary.
Fertilizing Acid-loving plant fertilizer, diluted to half strength, applied in spring and early summer
Seasonal Care In winter, protect from harsh winds and heavy snow. In summer, ensure adequate moisture and shade during the hottest part of the day.

🌞 Light Requirements

Mullein

Full sun (at least 6-8 hours of direct sunlight daily)

Low light tolerant: ❌ No

Wintergreen

Partial shade to full shade

Low light tolerant: ❌ No

💧 Watering Needs

Mullein

Water deeply when the soil is dry to the touch. Mullein is drought-tolerant once established. Overwatering can lead to root rot. Allow the soil to dry out completely between waterings. Signs of underwatering include wilting and drooping leaves; overwatering presents as yellowing leaves and a soggy soil.

Wintergreen

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, while overwatering can cause yellowing leaves and a musty smell.

🌡️ Temperature & Humidity

Mullein

Temperature: 10-30°C

Humidity: 30-50%

Wintergreen

Temperature: 10-21°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Mullein

Mullein

Verbascum thapsus
Care: Expert Time: 5 minutes weekly (weeding, deadheading) Beginner: No

Gardeners looking for a striking, drought-tolerant plant for a sunny location.

✅ Choose This Plant If...

  • You want a drought-tolerant plant for a sunny garden.
  • You are interested in traditional medicinal herbs.
  • You want to attract pollinators to your garden.
  • You appreciate plants with a unique architectural form.
  • You have poor soil conditions that other plants struggle in.

❌ Skip This Plant If...

  • You have limited sunlight available.
  • You are looking for an easy-to-grow indoor plant.
  • You have pets that might ingest the plant.
📍 Ideal Location: Outdoor garden with full sun exposure
🎨 Style: Cottage garden, Naturalistic garden, Xeriscape
🏠 Apartment Friendly: No
⚠️ Mullein contains glycosides that can cause mild gastrointestinal upset in animals if ingested. Symptoms may include vomiting, diarrhea, and loss of appetite. All parts of the plant are potentially toxic, but the leaves are most commonly ingested.
Wintergreen

Wintergreen

Gaultheria procumbens
Care: Expert Time: 15 minutes weekly (mostly for watering and checking for pests) Beginner: No

Experienced gardeners looking for a challenging groundcover for acidic soil in a shaded outdoor garden.

✅ Choose This Plant If...

  • You want a fragrant groundcover for a shady, acidic garden
  • You appreciate the winter interest provided by the red berries
  • You are an experienced gardener looking for a challenging plant to cultivate
  • You want a plant with a history of traditional medicinal uses (with caution)
  • You want a plant that attracts wildlife, such as birds, to your garden

❌ Skip This Plant If...

  • You have pets that might ingest the plant
  • You are a beginner gardener
  • You don't have an outdoor space with acidic soil and partial shade
📍 Ideal Location: Outdoor woodland garden with acidic soil and partial shade. Not recommended for indoor locations.
🎨 Style: Woodland, Naturalistic, Cottage
🏠 Apartment Friendly: No
⚠️ All parts of the plant, especially the oil, contain methyl salicylate, which is toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, abdominal pain, and potential neurological issues.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

☀️

Mullein needs full sun (at least 6-8 hours of direct sunlight daily), while Wintergreen prefers partial shade to full shade light.

📈

Mullein has moderate to fast growth, while Wintergreen grows slow.

💡 Pro Tips For Comparing These Plants

Mullein Care Tips

Mullein is an outdoor plant that is extremely difficult to grow indoors due to its high light requirements and large size. It needs full sun and well-draining soil. Indoor cultivation is generally not recommended. It is toxic to pets if ingested.

  • Provide full sun for optimal growth.
  • Ensure well-draining soil to prevent root rot.
  • Avoid overwatering, especially in winter.
  • Deadhead spent flowers to encourage continued blooming.
  • Protect young plants from frost in their first winter.
❄️ Winter: In winter, the above-ground parts of the plant die back. Protect young plants from frost by mulching around the base. Established plants are generally cold-hardy.
☀️ Summer: Ensure adequate watering during dry spells, especially for young plants. Deadhead spent flowers to encourage continued blooming and prevent excessive self-seeding.

Wintergreen Care Tips

Wintergreen is primarily an outdoor plant and is difficult to grow indoors due to its need for specific light, temperature, and humidity conditions. It requires acidic soil and consistent moisture. Indoor cultivation requires a very controlled environment to mimic its natural habitat.

  • Ensure acidic soil by amending with peat moss or sulfur
  • Provide consistent moisture, especially during dry periods
  • Protect from harsh winter winds
  • Monitor for pests and diseases regularly
  • Use a fertilizer formulated for acid-loving plants
❄️ Winter: Protect from harsh winds and heavy snow. Ensure adequate moisture if the ground is not frozen.
☀️ Summer: Provide shade during the hottest part of the day. Ensure adequate moisture, especially during dry periods.

⚠️ Common Problems & Solutions — Plant Care Comparison

Mullein

Common Issues: Root rot, powdery mildew, aphids
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Powdery mildew: Improve air circulation and apply a fungicide if necessary. Aphids: Spray with insecticidal soap or neem oil.

Wintergreen

Common Issues: Root rot, leaf spot, spider mites
Solutions: Root rot: Ensure good drainage and avoid overwatering. Leaf spot: Remove affected leaves and apply a fungicide. Spider mites: Increase humidity and treat with insecticidal soap.

❓ Frequently Asked Questions — Comparing These Plants

Mullein

What are the light requirements for Mullein?

Mullein thrives in full sun, requiring at least six to eight hours of direct sunlight per day. Insufficient light can result in leggy growth, reduced flowering, and overall weaker plants. When planting Mullein, choose a location that receives unobstructed sunlight throughout the day. South-facing gardens or open fields are ideal. If growing Mullein indoors, place it near a sunny window or supplement with grow lights. Rotate the plant regularly to ensure even light exposure. Monitor the plant for signs of inadequate light, such as stretching towards the light source or pale foliage. Adjust the plant’s position or supplement with artificial lighting as needed to provide the necessary sunlight for healthy growth and abundant flowering.

How do I care for Mullein?

Mullein is generally easy to care for, but specific conditions will encourage optimal growth and flowering. Plant Mullein in well-draining soil, preferably sandy or gravelly, in a location that receives at least six hours of sunlight daily. Water deeply but infrequently, allowing the soil to dry out between waterings. Avoid overwatering, as this can lead to root rot. Fertilize sparingly, if at all, as Mullein thrives in nutrient-poor soil. Deadhead spent flowers to encourage additional blooming. In colder climates, provide winter protection by mulching around the base of the plant. Be mindful of self-seeding, as Mullein can spread readily. Monitor for pests and diseases, although Mullein is generally resistant. Prune back the flower stalk after blooming to maintain a tidy appearance. Ensure good air circulation to prevent fungal issues.

How do I propagate Mullein?

Mullein is most easily propagated by seed. Collect seeds from dried flower stalks in the fall. Direct sow seeds in the spring after the last frost, or start indoors 6-8 weeks before the last frost. Surface sow the seeds as they need light to germinate. Keep the soil moist but not waterlogged. Seedlings should emerge in 14-21 days. Thin seedlings to allow adequate spacing. Mullein can also be propagated by root cuttings in the spring or fall. Dig up a small section of root and replant it in well-draining soil. Keep the soil moist until new growth appears. Division of offsets is possible, but less common. Stem cuttings are not an effective method for Mullein.

Wintergreen

What are the light requirements for Wintergreen?

Wintergreen thrives in partial shade, requiring protection from intense direct sunlight, especially during the hottest part of the day. Ideal placement is under the canopy of taller trees or in an east-facing location where it receives morning sun and afternoon shade. Too much direct sunlight can scorch the leaves, while too little light can result in leggy growth and reduced flowering. If growing indoors, place near a window with filtered light. Rotate the plant regularly to ensure even light exposure. Monitor the leaves for signs of light stress, such as bleaching or browning. Adjust the plant’s location as needed to provide optimal light conditions.

How do I care for Wintergreen?

Wintergreen prefers partial shade and acidic, well-drained soil. Water regularly, keeping the soil consistently moist but not waterlogged, especially during dry periods. Fertilize in early spring with an acid-loving fertilizer to promote healthy growth and flowering. Prune lightly after flowering to maintain shape and encourage bushier growth. Protect from harsh winter winds and extreme temperatures. Wintergreen thrives in cool, humid environments. Provide adequate air circulation to prevent fungal diseases. Check regularly for pests and diseases and treat accordingly. Repot every 2-3 years in spring using a potting mix formulated for acid-loving plants. Mulch around the base of the plant with pine needles or shredded bark to help retain moisture and suppress weeds. Ensure proper drainage to prevent root rot.

How do I propagate Wintergreen?

Wintergreen can be propagated through division, stem cuttings, or seeds. Division is best done in spring or fall. Carefully dig up the plant and separate the root ball into smaller sections, ensuring each section has healthy roots and foliage. Replant the divisions in well-draining, acidic soil. For stem cuttings, take 4-6 inch cuttings from new growth in spring or summer. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cuttings in a moist, well-draining potting mix. Keep the cuttings in a humid environment until they root. Seeds can be sown in fall or spring. Stratify the seeds by chilling them in the refrigerator for several weeks before planting. Sow the seeds in a moist, acidic potting mix and keep them in a bright, indirect light location.

Last updated: April 20, 2026 — Plant care data reviewed and verified by our editorial team.