Cirsium rivulare 'Atropurpureum'
brook thistle
Spectacular, deep crimson thistles appear on erect stems in July and August above spiny, dark green leaves.
This handsome, towering thistle is a valuable addition to a summer garden and looks equally at home in a wildflower meadow, beside water or in groups among other perennials.
Although Cirsium rivulare 'Atropurpureum' will tolerate dry conditions and partial shade, it does best in a moist, sunny border.
This handsome, towering thistle is a valuable addition to a summer garden and looks equally at home in a wildflower meadow, beside water or in groups among other perennials.
Although Cirsium rivulare 'Atropurpureum' will tolerate dry conditions and partial shade, it does best in a moist, sunny border.
How to care for Cirsium rivulare Atropurpureum:
Cirsium thrives in moist, well-drained soil in full sun. Water well until established, especially in dry periods.
Cut back faded flower stems to encourage a second flush of blooms and prevent excessive self-seeding.
In autumn, trim plants to ground level to maintain a tidy appearance. Every few years, divide congested clumps between autumn and spring to rejuvenate growth and improve flowering.
Cut back faded flower stems to encourage a second flush of blooms and prevent excessive self-seeding.
In autumn, trim plants to ground level to maintain a tidy appearance. Every few years, divide congested clumps between autumn and spring to rejuvenate growth and improve flowering.
Flowering period:
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
Eventual height:
1.2m
Eventual spread:
0.6m
Position:
Full sun
Rate of growth:
Average
Soil:
Moderately fertile, moist, well-drained soil
Hardiness:
Fully hardy
-
This perennial dies back to below ground level each year in autumn, then fresh new growth appears again in spring.
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