Onopordum acanthium (cotton thistle, Scotch (or Scottish) thistle) is a flowering plant in the family Asteraceae. It is native to Europe and Western Asia from the Iberian Peninsula east to Kazakhstan, and north to central Scandinavia, and widely naturalised elsewhere, [1] [2] [3] with especially large populations present in the United States ...

Feb 23, 2024 · Many thistle plants look alike, which makes them difficult to differentiate. But don’t worry — we’ve compiled some tips and tricks for identifying at least 15 amazing thistle plants! Canada Thistle or Creeping Thistle ( Cirsium arvense )

A robust, upright biennial to 3m tall, with oblong, spiny, cobwebby grey leaves to 30cm long, and rounded, thistle-like purple flower heads 5cm across in summer. All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets.

Jun 1, 2021 · Giant cotton thistle (Onopordum acanthium) was prized during the Middle Ages for its herbal properties, and by the poor who used its fluffy “down” to stuff mattresses. At from 10 to 15 feet high with a 5-foot spread, this dramatic biennial is not for small gardens.

Sep 19, 2024 · Thistles are flowering plants characterised by their sharp prickles – some are common weeds but many can be great additions to UK gardens. Sometimes, the word ‘thistle’ is used to refer only to specific genera – Cirsium, Carduus and Onopordum. And sometimes it is used more broadly to refer to a wider range of prickly flowering plants.

Giant Scottish Thistle The Giant Scottish thistle is a magnificent perennial plant that can reach up to six feet in height. It features large, spiky leaves and stunning purple flowers that attract butterflies and bees to your garden.

Mar 21, 2017 · Fewleaf thistle (Cirsium remotifoilum), a native thistle Thistles are one of the most common weed problems that property owners deal with in Clackamas County. Many of the thistles we encounter are invasive and can grow to dominate a property.

Sep 11, 2024 · Globe thistle is a fast-growing, contemporary-looking perennial plant with spherical blue, purple, or white blooms that add arresting color to summer border gardens. Yet unlike other eye-catching perennials, globe thistle is drought tolerant, deer resistant, and an important nectar source for pollinators like butterflies and bees.

The tall statuesque stems of this native Scotch thistle are clad in silvery spiny foliage and topped with a huge pink thistle. It is best planted at the back of a border as it can reach around...

Onopordum Acanthium Seeds (25 seeds) (Scotch Thistle, Giant Cotton Thistle) - Plant World Seeds. This is truly one of the most impressive plants you can grow in the UK if you can give it room. Candelabras of large mauve flowers open on much-branching white woolly stems which arise from a huge grey spiky rosette in spring.