Sempervivum make highly decorative small to medium sized succulent rosettes of triangular leaves, some are densely covered by silvery-white hairs, other have glaucous leaves or will turn bright red in full sun. From Central Europe to mountainous areas of W Asia, absolutely hardy in contrast to close subtropical related genus Aeonium from Canary Islands.
Sow dust-like seeds very thin on any well drained, rather rocky soil in full sun at 15-20°C in spring. Do not cover seeds, always water from beneath. Unlike uncountable more or less robust hybrids, the real, very robust species offered here are hardly know or very rare.
All are USDA Climate Zone 6.
50 seeds per package.
Sempervivum (Houseleek)
Articles
Sempervivum arachnoidea
1.5cm ø, strongly offsetting tiny rosettes with dense cover of silvery white hairs. Beautiful, rather large purplish red flower heads. Excellent rock covering (!) plant. VI-VII.
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| seed package 2109 | € 3,99 |
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Sempervivum tectorum ssp. alpinum
15 (20)cm ø, a most beautiful, yet rarely seen larger subspecies. Has unique dark grayish green, oblong-lanceolate, very succulent leaves, shaded in dark purplish at the base and sometimes all over the rosette, if plants are grown in a sunny and rather dry spot. Tall flowering stem with numerous, quite large, intense pink to purplish-pink flowers. Native of the central Alps (Switzerland: Mont d'Orge at Sion in the Val D'Hérens, in the Vuache and in the S Jura). One of the most ornamental species for any well drained soil in a full sun. VII-VIII.
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| seed package 2113 | € 4,99 | ||
Sempervivum tectorum ssp. glaucum
5 (10)cm, most decorative subspecies with bluish green leaves shaded reddish purple in the center of the rosette and small reddish tips. Native of the French Alps. For any rich, well drained soil in a sunny spot. VII.
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| seed package 1962 | € 4,99 | ||
Sempervivum zeleborii
3 (4)cm, blackish green rosettes with very short hairs on very fleshy leaves. Open, greenish yellow flowers, shaded rose. Offsets freely, yet still a rare Sempervivum. VII-VIII.
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| seed package 2114 | € 4,99 |
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