Sempervivum SUPERSEMPS® ‘Onyx’

House Leek

Hardy Perennial

£7.99

Forms huge rosettes 20cm across

Fantastic mahogany colour

Easy-care architectural plant for containers

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Choose available pack sizes:

1 x 9cm potted plant

~~£12.99~~ £7.99 Save £5.00

Description How to Grow More Info Delivery

Sempervivum SUPERSEMPS® ‘Onyx’ is a super-sized hardy sempervivum forming impressive rosettes up to 8 inches (20cm) across. Resembling a giant cut jewel, ‘Onyx’ features stunning geometrical leaf rosettes in a glowing mahogany-black. In summer, thick stalks arise from the rosettes, carrying starry pink flowers. Sempervivum are drought tolerant, easy and rewarding plants for indoors and out. They come in an array of colours and look superb as a collection, planted into creative containers, gravel or between rock piles.

Height: 10cm-20cm (4in-8in). Spread:10-20cm (4-8in).

Plant height and spread is seasonal therefore we list by pot size rather than a defined plant size. The height and spread of the plant delivered will vary depending on the season, meaning arrival images are an indication only.

Plant Size Height Up to 10cm (4in)
Spread Up to 20cm (8in)

Hardiness & Longevity Hardy Perennial

Ideal For greenhouseconservatoryalpine & rockerylow maintenance garden

Position In full sun

Flowering Months

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Codes
1 Jumbo Plug Plant (KF0823)
3 Jumbo Plug Plants (KF1581)
1 x 9cm potted plant (KF7190)

Houseleeks require extremely good drainage. Grow sempervivum plants in sharply drained, gritty soil in full sun. Hairy species particularly resent cold, wet conditions and are best provided with some protection from winter weather.

Houseleeks are drought resistant and need little attention throughout the growing season. Divide overcrowded clumps in late spring to encourage their spread.

Seeds and garden supplies will normally be delivered within the time period stated against each product as detailed above. Plants, bulbs, corms, tubers, shrubs, trees, potatoes, etc. are delivered at the appropriate time for planting or potting on. Delivery times will be stated on the product page above, or in your order acknowledgement page and email.

Orders for packets of seed incur a delivery charge of £2.99.

Orders which include any other products will incur a delivery charge of £6.99.

Where an order includes both packets of seeds and other products, a maximum delivery charge of £7.99 will apply - regardless of the number of items ordered.

Large items may incur a higher delivery charge - this will be displayed in your shopping basket.

Please see our Delivery page for further details, and more information on different charges that may apply to certain destinations.

For more information on how we send your plants please visit our Helpful Guide on plant sizes.

Van Meuwen strives to ensure that all its plants are delivered to you in the perfect condition for planting. While the majority of our nursery plants cope well with slight delays in intransit, sadly, the time it takes to deliver to certain locations in the UK means that we can't guarantee this for some of our smaller plug products and tender bedding and vegetable lines, which do not respond well to the extra journey time. So regretfully while we offer the majority of our live plant offering nationwide, we are unable to ship plugs, begging plants and tender vegetable plants to the following areas: HS, IV41-IV49, IV51, IV55-56, KW15-KW17, PA34, PA41-48, PA60-PA78, PA80, PH40-PH44, TR21-TR24, ZE1-ZE3.