Is Dark Mullein safe for pets?

Yes, Dark Mullein (Verbascum Nigrum) is considered safe for cats and dogs.

Is Dark Mullein easy to care for?

Dark Mullein has a easy care difficulty rating. It requires medium watering and full_sun light.

Can Dark Mullein grow indoors?

Dark Mullein is primarily an outdoor plant and may not thrive indoors without specialized conditions.

Dark Mullein (Verbascum Nigrum) is a biennial herb in the Scrophulariaceae family with easy care difficulty. It requires moderate watering and full sun light in USDA hardiness zones 4-8. This plant is safe for cats and dogs.

Verbascum nigrum is a biennial or short-lived perennial plant known for its tall spikes of yellow flowers with distinctive purple stamens.

Last updated: February 2026

Dark Mullein

Verbascum Nigrum

Verbascum nigrum is a biennial or short-lived perennial plant known for its tall spikes of yellow flowers with distinctive purple stamens.

Quick Facts

Type

herb

Lifecycle

biennial

Care Difficulty

Easy

Water Needs

Moderate

Light

Full Sun

Hardiness Zones

4-8

Safety

🐕

Pet Safe

👶

Child Safe

✅

Non-Toxic

Growing Conditions

Soil Types:loamy, sandy

Indoor:No

Outdoor:Yes

Garden Use:specimen, vertical accent, pollinator attractor

Care Calendar

Monthly care tasks for Dark Mullein

Jan

Prune

Feb

Fertilize

Mar

Repot

Apr

Water+

May

...

Jun

...

Jul

...

Aug

...

Sep

...

Oct

...

Nov

...

Dec

...

Expert Care Tips

Pro tips from botanists and plant experts

Watering Tip

Check soil moisture by inserting your finger 1 inch deep. Water only when the top layer feels dry to prevent overwatering.

Humidity Trick

Group plants together to create...

Growth Hack

Rotate your plant every...

Photo Gallery10+ photos

View leaf details, flowers, seeds & more in the app

Taxonomy

Family:Scrophulariaceae

Genus:Verbascum