Tall Golden Flower Spikes
Produces impressive upright, branching flower stalks covered with numerous bright yellow blooms.
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Greek Mullein, botanically known as Verbascum olympicum, is a striking ornamental flowering plant native to Greece and Turkey. It is admired for its large grey-green, softly textured leaves and impressive upright flower stalks covered with bright golden-yellow blooms. This short-lived perennial or biennial plant adds dramatic height and architectural beauty to cottage gardens, flower borders, and sunny landscape settings.
Produces impressive upright, branching flower stalks covered with numerous bright yellow blooms.
Develops large basal rosettes of attractive grey-green leaves with a soft, woolly texture.
Its tall, candelabra-like flower structure creates an attractive vertical focal point in garden landscapes.
Its yellow flowers provide a valuable source of pollen and attract bees and other visiting insects.
| Scientific Name | Verbascum olympicum |
| Common Name | Greek Mullein, Olympic Mullein, Olympian Mullein |
| Plant Family | Scrophulariaceae |
| Plant Type | Short-Lived Perennial / Biennial |
| Seed Type | Flower Seeds |
| Flower Color | Golden Yellow |
| Foliage Color | Grey-Green |
| Growth Habit | Tall, Upright, and Branching |
| Plant Height | Approximately 1.5–2.5 Metres |
| Plant Spread | Approximately 0.5–1 Metre |
| Flowering Period | Summer |
| Blooming Time | Usually Second or Third Year |
| Sunlight | Full Sun |
| Soil Requirements | Well-Drained, Sandy, Chalky, or Loamy Soil |
| Soil pH | Neutral to Alkaline |
| Watering | Moderate During Establishment; Drought-Tolerant Once Established |
| Planting Season | Spring to Early Summer or Autumn in Suitable Climates |
| Germination Time | Approximately 12–21 Days Under Suitable Conditions |
| Germination Temperature | Approximately 18–21°C |
| Plant Spacing | Approximately 45–90 cm |
| Maintenance | Low to Moderate |
Add impressive height and golden-yellow floral displays to your garden with Greek Mullein. Its large grey-green foliage and distinctive candelabra-shaped flower spikes make it an excellent ornamental choice for sunny borders, cottage gardens, and naturalistic landscapes. Grow this striking flowering plant to enjoy its beautiful seasonal blooms and attractive garden presence.
Learn more about Greek Mullein seed germination, flowering time, and growing requirements.
Sow Greek Mullein seeds on the surface of moist, well-drained seed-starting soil and gently press them down without deeply covering them. Provide light, warmth, and consistent moisture. Germination commonly takes around 12–21 days under suitable growing conditions.
Greek Mullein generally develops its flowering stalks in the second or sometimes third growing year. During its initial growth, it forms a large rosette of grey-green leaves before producing tall, branching spikes of golden-yellow flowers.
Verbascum olympicum grows best in full sun and well-drained soil, including sandy, chalky, and loamy growing mediums. It tolerates relatively dry conditions once established and benefits from adequate spacing to accommodate its tall flower stalks and large foliage.