Verbascum olympicum · Scrophulariaceae

Olympic Mullein

✅ Pet-friendlyPerennial, remaining green throughout the year.80 to 150 cm

LightFull sun

WaterLow; allow soil to dry between waterings.

DifficultyEasy

ColdTolerates temperatures down to a few degrees below zero briefly.

Full sunLow; allow soil to dry between waterings.EasyTolerates temperatures down to a few degrees below zero briefly.

Description & origin

The Olympic Mullein is a perennial plant known for its tall spikes of yellow flowers. Ideal for sunny gardens and well-drained soils. This plant is hardy and easy to maintain.

Size

Can reach up to 150 cm in height under ideal conditions.

Foliage

Evergreen foliage that retains its color year-round.

Flowering

Blooms in summer with vibrant yellow flower spikes.

Detailed care

Light

Prefers full sun for optimal growth.

Soil

Needs well-drained soil, preferably sandy or rocky.

Watering

Requires moderate watering, allowing soil to dry between waterings.

Temperature

Tolerates heat well but needs protection from severe frosts.

Fertilising

Lightly fertilize in spring to promote flowering.

Repotting

Transplant carefully to avoid root damage.

Pruning

Remove spent flowers to encourage new blooms.

Propagation

Easily propagated by seeds sown in spring.

Common problems

Root rot

Occurs in poorly drained soils. Ensure good drainage.

Powdery mildew

Can affect leaves in humid conditions. Treat with appropriate fungicide.

Aphids

May attack flowers. Control with natural insecticide.

Uses & curiosities

In the garden

Attracts pollinators
Drought resistant
Ideal for Mediterranean gardens

Other uses

Used in landscaping to create height and color.

Did you know…

The Olympic Mullein is often used in Mediterranean-style gardens due to its heat and drought resistance.