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Cirsium (Thistle) & Ptilostemon (Ivory Thistle)

Thistles belong to a broad genus from the Northern Hemisphere and most species have a more or less weeds habit. However the species listed here are easily controlled, not-invasive in cool temperate climates in Central Europe and have beautiful terminal lilac flower heads. Please note that in warmer climates some species may readily self-seed and should be grown in a a spot where they can be easily controlled. All can be successfully cultivated in any humus rich, well drained soil in a sunny spot.
Sow flat in any rich, well drained soil. Keep pots in a sunny, protected spot outside. Transplant as soon as seedlings are strong enough.
All are USDA Climate Zone 6.
20 seeds per package
, unless not noted differently.
Articles
Cirsium diacanthum (syn. Ptilostemon afer - Ivory Thistel)

Cirsium diacanthum (syn. Ptilostemon afer - Ivory Thistel)

120 (150)cm, Ivory Thistle is a biannual with an ornamental basal rosette of spiny, grey-green veined leaves and an upright, branching stem with several lilac flowers. Native of rocky spots in the Eastern Mediterranean and Turkey. Easily cultivated in any rich, well drained soil in full sun. Will readily self sow under appropriate conditions. VI-VII.
10 seed per package.
10 seeds per package.

price (plus Shipping Costs)
seed package 4806 € 4,99
Cirsium latifolium (Madeira Broad-Leafed Laurel Forest Thistle) Exclusive

Cirsium latifolium (Madeira Broad-Leafed Laurel Forest Thistle) Exclusive

50 (100)cm, Madeira Broad-Leafed Laurel Forest Thistle makes annual stems from a perennial rootstock and terminal, rich lilac flowers above glossy, serrated leaves. From open spots in the laurel forest on Madeira (Portugal). For any rich, well drained soil in a sunny spot throughout the year. In winter keep plants slightly drier at a minimum of some 10°C. VI-VII.
20 seeds per package.

price (plus Shipping Costs)
seed package 6461 € 4,99
seed package
Cirsium pannonicum (Pannonian Thistle)

Cirsium pannonicum (Pannonian Thistle)

120 (150)cm, Pannonian Thistle or Hungarian Thistle is a showy herbaceous perennial with a dense basal leaf rosette and loosely branching elegant stalks crowned by ornamental dark purple flowers. Native of meadows in south-eastern Europe. For any rich, well drained soil in a sunny spot. VI-VIII.
20 seeds per package.

price (plus Shipping Costs)
seed package7115 € 4,99
Cirsium syriacum (Syrian Thistle)

Cirsium syriacum (Syrian Thistle)

150 (220)cm, Syrian Thistle (syn. Notobasis syriaca in the monotypic genus Notobasis) is a fast growing annual native in the Eastern Mediterranean region and has been naturalized in similar areas throughout the Mediterranean. Madeira and the Canary islands. It makes a basal rosette of deeply lobed and strongly spiny leaves and a tall branching flower stem with several rich purple flowers with nicely purplish shaded bracts. Easily grown in any rich, well drained soil in full sun in a preferably protected spot. Excellent in the rock garden. Sow directly to the soil after the last freezig nights in late spring. VI-VIII.
10 seeds per package.

price (plus Shipping Costs)
seed package8647 € 0,99*
seed package
* This price is valid if a single item is ordered only. The shop will automatically assign discounts on bulk purchases. If several packages are ordered from this species, they will be merged into a single package. Please refer to our General Terms of Business.
Ptilostemon casabonae (Sardinian Ivory Thistle)

Ptilostemon casabonae (Sardinian Ivory Thistle)

120 (150)cm, Sardinian Ivory Thistle is a showy biannual species with an ornamental basal rosette of yellowish-green, glossy leathery leaves densely surrounded by brownish spines and a tall, arching stem with several lilac flowers. Native of rocky spots in Corsica and the isle of Hyère (France) as well as Sardinia and Elba island (Italy). Easily cultivated in any rich, well drained soil in full sun in a preferably protected spot. Will readily self sow under appropriate conditions. VI-VII.
10 seeds per package.

price (plus Shipping Costs)
seed package7122 € 4,99
seed package
Ptilostemon chamaepeuce var. cyprius (Pine-Leafed Thistle) Exclusive

Ptilostemon chamaepeuce var. cyprius (Pine-Leafed Thistle) Exclusive

50 (120)cm, Pine-Leafed Ivory Thistle a beautiful and floriferous woody perennial from Greece, Cyprus and Turkey with narrow, dark green, needle like leaves, silvery white beneath and numerous rose-lilac flowers on long stalks. Excellent pot plant for any rich, well drained substrate in full sun throughout the year. Not reliable winter hardy in Central Europe, best grown in pots under frostfree conditions with reduced watering and a temperature minimum of some 5°C. VI-VIII.
10 seeds per package.

price (plus Shipping Costs)
seed package 6330 € 4,99
Ptilostemon echinocephalus (Hedge-Hog Ivory Thistle) Exclusive

Ptilostemon echinocephalus (Hedge-Hog Ivory Thistle) Exclusive

20 (30)cm, Hedge-Hog Ivory Thistle is an utmost showy and extremely rare herbaceous perennial from the Northern Caucasus and Transcaucasus (Kartli in Georgia). It makes annual shoots with spiny, narrow leaves and extremely ornamental flower heads turning from silvery-white to bright lilac with age. Easily grown in any rich, well drained soil in full sun in a preferably protected spot. Excellent in the rock garden. VI-VIII.
10 seeds per package.

price (plus Shipping Costs)
seed package8253 € 4,99
seed package