Onopordon acanthium Description
This startling looking plant is a real statement plant. Its reflective silver gray heavily spined foliage really stands out and is crowned by terminal mauve blue flowers that are much loved by bees.
Onopordon acanthium - Cultivation Notes
Scotch Thistle is a fast growing biennial that grows onwards and upwards at a startling rate. It will tolerate any well drained soil in full sun and it will freely spread among other herbaceous plants. This plant requires staking and a sheltered location. Plant towards towards the back of the border and allow to grow up through surrounding plants.
Strengths, Weaknesses & Design Usage
Strengths of Onopordon acanthium:
- Sun loving drought tolerant plant
- Ornamental winter bark / tracery
- Spiney growth can deter unwanted visitors!
- Attracts wildlife to feed or nest
- All round tough plant suitable for problem areas
- Ideal for fast growing screening
- Architectural plant – ideal as a ‘stand out’ plant
- Tolerates full sun and sandy, drought-prone soils
Weaknesses of Onopordon acanthium
- Spiney plant - can scratch young children and gardeners!
Design & Plant Use for Onopordon acanthium:
- Summer flowering herbaceous plant suitable for border planting
- Tall summer flowering shrub suitable for back of border planting
- Architectural plant with dramatic foliage suitable for hot dry spot
- Ideal for informal cottage garden style planting
View all the plants listed in Genus Onopordon
View other herbaceous flowers with dark blue flowers, or herbaceous flowers with silver foliage
Common Missspellings: Onopordem, Onophordum