Skip to main content
A picture of a Donkey plant

Donkey plant

Onosma spp.

Onosma helvetica fallax 2 by Franz Xaver (CC BY-SA 3.0)

Full Sun
Moderate watering
Half-hardy

H3

RHS hardiness

-5°C

Minimum temperature

Expected size

Height
Spread

Max

Min

Flowering

More images of Donkey plant

A photo of Donkey plant
A photo of Donkey plant
A photo of Donkey plant

Donkey plant Overview

A genus of between 80 to 150 species of flowering annual, biennial, perennial plants or subshrubs in the borage family with semi-evergreen foliage and long, pendant tubular flowers. They originate from the Mediterranean region and Western Asia where they are found in arid habitats on sandy or rocky substrates. In cultivation they prefer a sunny site with well-drained soil and protection from Summer wet. They do well in rock gardens.

Common problems with Donkey plant

How to propagate Donkey plant

Cuttings

Softwood cuttings in summer.

Seed

Seed in autumn.

Other uses of Donkey plant

Is suitable for rock gardens and banks. Grown for their long, pendent, tubular flowers.