Home»Cactus - Succulents»Sempervivum

Sempervivum calcareum [ sem - per - VEE - vum , kal - KAR - ee - um ] is a succulent perennial native to the southern Alps in New Zealand and belongs to theSempervivum plantgenus and Crassulaceae ( stonecrop ) folk .

It forms a magnanimous rosette of thick green leaves with reddish - purplish peak .

Close up of Sempervivum calcareum - houseleak plant

unwashed names let in :

It ’s also known as a biddy - and - chicks industrial plant , as it multiplies via offsets formed around the mother plant .

This is a audacious species , easy to naturalize and propagate , but specific care tips will help it thrive .

Sempervivum Calcareum Succulent Care

Size and Growth

The perennial houseleek grows a serial of symmetric thickly carry rosettes with a dome - shaped appearance .

The thick succulent leaves are often blue - green or light green with reddish - purple point at the pointed closing .

The plant life starts with a single rosette , but short - stalk offsets eventually take form a dense lusterlessness around the base plant .

Flowering and Fragrance

Sempervivum calcareum rarely flowers .   It ’s more common with onetime , mature plants after several class of growth .

If the industrial plant bloom , the flowers typically appear in late summertime .

The plant bring out a clump of yellow - eyed wan pink blossom on thick stalks with scale - similar leave-taking .   After the rosette flowers , it withers and dies .

Light and Temperature

Calcareum is frost kind and suited for out-of-door increment in USDA hardiness zone 5a to 8b .

It can survive temperatures as low as -20 ° degrees Fahrenheit ( -29 ° C ) .

Plant the houseleek under the fond sunshine to full sun .   Place indoor plants near a window with at least eight hour of solid sunlight throughout the Clarence Shepard Day Jr. .

Most of the growth occurs in the springtime and summertime .

During these season , the plant postulate more shade from the afternoon Lord’s Day .

If temperature regularly pass 80 ° degrees Fahrenheit ( 26 ° speed of light ) , plant life under fond shade instead of full Sunday .

To protect outside plant life from freezing temperatures during the wintertime , insulate the works with a blanket of jam-packed Charles Percy Snow or a loose pile of leaves .

Watering and Feeding

As a succulent , the houseleek is drouth kind and does not call for frequent tearing .   Overwatering increase the risk of fungal growth and root rot .

look until the top of the soil completely dries before watering the works again .

When watering , avert pouring water directly over the rosettes .   Water the grease and the works will send nutrients up through the beginning system of rules to the leaves .

Soil and Transplanting

Use standard cactus or succulent potting premix .

To make cactus grime , aggregate one - part coir with two parts pumice stone and five parts veritable potting soil .

This should tender even drain .

When transplanting Sempervivum calcareum , it serve to permit the plant dry overnight before replant .

If potential , allow the soil in the current container to dry out altogether .   This make it easier to withdraw the plant without damage the theme .

Carefully strike hard away as much soil as potential and then place it in a novel container using a cactus mix .

Grooming

No grooming needed , except for the removal of dead stem canker after bloom .

More Sempervivums :

How to Propagate Houseleek Plant

spread the houseleek using cuttings or offset .

Propagating with cuttings take longer and does n’t always produce satisfactory outcome .

To apply cuttings :

To propagate using offset printing :

Houseleek Plant Pest or Disease Problems

The houseleek is virtually disease - free and plague - innocent , but may at times suffer from rot due tooverwateringor moisture conditions .

While the plant is incredibly winter hardy , in some region , it may have too much moisture from rain .

Adding more sand and pebbles to the territory aid improve drain , reducing the risk of rot .

If the works receive too much body of water and fungal increase appears , cut away the fungus and treat it with a fungicide .

transplantation may also serve .

When transplanting , replace the soil with something offering good drainage .

For dangerous fungal growth , the best selection is often to cast out the affected plant life and pull through sizeable offsets .

Another likely offspring is scorching .

If the plant pick up too much sunlight , the sharpness of the leaf may evolve dingy maculation .

Move the industrial plant to a shadier spot and allow it to bring around or throw away it and propagate the bird .

Suggested Sempervivum Calcareum Uses

Due to its small size , the houseleek is best suited as an addition to rock garden , cacti garden , succulent garden or a land cover where it can bring more color to the video display .

It ’s also great as a stand - alone plant on a shelf or windowsill with hatful of filtered sunlight .