How to identify Mullein (Verbascum)

Photo By Tristan Haab , used under CC-BY /Cropped and compressed from original

How to identify Mullein (Verbascum)

Mullein exhibits striking vertical spikes that can reach up to 6 feet (183 cm) in height, dotted with small flowers. At its base, a rosette of large leaves presents a woolly texture. The leaves' size and the plant's overall height make it a prominent addition to any garden. Its preference for well-drained soil conditions and tendency to thrive in poor, less fertile soil make it an undemanding specimen for dry to average garden environments. The plant's distinctive characteristic is its ability to self-seed, ensuring a persistent presence once established.

Lifespan: Perennial

Plant Type: Herb

Leaf Type: Semi-evergreen

Quickly Identify Mullein

Vertical spikes up to 6 feet (183 cm) tall with small flowers.

Large rosette of woolly-textured leaves at the base of the plant.

1-inch (2.5 cm) saucer-shaped flowers in vibrant colors on tall spikes.

Spirally arranged, large leaves with velvety texture and prominent vein patterns.

Powdery-textured stem with sturdy, branched structure and slight velvety feel.

Detailed Traits of Mullein

Leaf Features

The leaves of mullein are spirally arranged and often densely hairy, though some species may have glabrous leaves. The basal rosettes can span up to 2 feet (60 cm) wide. Leaves are typically large, with a soft, velvety texture, and may vary in color from light green to a silvery-gray hue. They exhibit a prominent vein pattern, which is easily observable. The texture and dense hairiness are distinguishing features aiding in the identification of mullein.

Learn About the Leaf Glossary

Flower Features

Mullein flowers are characterized by their 1-inch (2.5 cm), 5-petaled, saucer-shaped blooms that appear in a variety of colors. These blossoms are arranged in striking vertical spikes that can reach 2-3 feet (60-90 cm) in height. The petals are symmetrically arranged, forming a circular pattern. Their subtle fragrance can be appreciated during their blooming period, which typically occurs in the late spring to early summer. These distinctive visual and olfactory features make mullein flowers easily recognizable.

Learn About the Flower Glossary

Stem Features

The stem of mullein is characterized by a powdery texture, giving it a distinctive appearance. It is typically branched, with each branch exhibiting a sturdy composition. The stem is an upright structure, varying in thickness but often measuring around 0.3 inches (0.76 cm) in diameter. The color ranges from green to a light grayish-green hue. The surface of the stem may feel slightly velvety due to a layer of tiny hairs, contributing to its unique powdery look.

Learn About the Stem Glossary

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Identify Mullein easily and quickly

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