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Description
Verbascum Pulverulentum, commonly known as Woolly Mullein, is a biennial plant that belongs to the Scrophulariaceae family. This plant is native to Europe and Asia and is widely cultivated in North America. Woolly Mullein is a tall plant that can grow up to six feet tall and spread up to two feet wide. It has a thick, woolly stem and leaves that are covered in soft hairs. The plant produces yellow flowers that are densely packed on a spike that can be up to two feet long.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Lamiales |
| Family | Scrophulariaceae |
| Genus | Verbascum |
Appearance
Woolly Mullein has a striking appearance that makes it a popular choice in gardens. The plant has a thick, woolly stem that grows up to six feet tall. The leaves are large and covered in soft hairs that give them a fuzzy texture. They can grow up to ten inches long and three inches wide. The plant produces yellow flowers that are densely packed on a spike that can be up to two feet long. The flowers have a sweet fragrance and bloom from early summer to late fall.
Care Guide
Woolly Mullein is a hardy plant that is easy to care for. Here are some tips on how to care for this plant:
- Water: Woolly Mullein prefers well-drained soil and does not require much water. Water the plant when the soil is dry to the touch.
- Fertilization: Woolly Mullein does not require much fertilizer. Apply a balanced fertilizer once a month during the growing season.
- Soil: Woolly Mullein prefers well-drained soil. Amend the soil with compost before planting.
- Sunlight: Woolly Mullein prefers full sun but can tolerate partial shade.
- Hardiness Zones: Woolly Mullein is hardy in USDA zones 4-8.
Common Pests & Diseases
Woolly Mullein is relatively pest and disease-resistant. However, here are some common pests and diseases that can affect this plant:
- Spider Mites: These pests can cause yellowing and stunted growth of the plant. Use insecticidal soap to control spider mites.
- Fungal Leaf Spots: These diseases can cause brown spots on the leaves of the plant. Remove infected leaves and apply a fungicide to control the disease.
- Rust: This disease can cause yellow spots on the leaves of the plant. Remove infected leaves and apply a fungicide to control the disease.
Habitat
Woolly Mullein is native to Europe and Asia and is widely cultivated in North America. This plant prefers dry, rocky soil and is often found growing on hillsides and in meadows. It can tolerate a wide range of temperatures and is hardy in USDA zones 4-8.
Question and Answer
Q: Is Woolly Mullein toxic to pets?
A: Woolly Mullein is not toxic to pets. However, the plant can cause skin irritation if touched.
Q: Can Woolly Mullein be grown in containers?
A: Yes, Woolly Mullein can be grown in containers. Use a well-draining soil mix and a large container to accommodate the size of the plant.
Q: When should I prune Woolly Mullein?
A: Prune Woolly Mullein in the fall after the plant has finished blooming. Cut the stem back to the ground.
Q: How tall can Woolly Mullein grow?
A: Woolly Mullein can grow up to six feet tall.
Related Plants
- Verbascum Blattaria
- Verbascum Thapsus
- Verbascum Phoeniceum
- Verbascum Chaixii
References
- “Verbascum Pulverulentum.” Missouri Botanical Garden, www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=282787&isprofile=0.
- “Woolly Mullein.” Fine Gardening, www.finegardening.com/plant/woolly-mullein-verbascum-pulverulentum.
- “Verbascum Pulverulentum.” Plant Information Online, plantinfo.umn.edu/node/1382536.
