How to grow Cobweb Houseleek

Sempervivum arachnoideum

Full Sun
OR
Partial Sun
Low

Only needs watering in extreme drought once established, gradually spreads by offsets

Growing Cobweb houseleek from seed

Can be grown from seed, particularly if a lot of plants are needed for a project. However, it is quicker and easier to release a off set or two that bud from under the mature plants. Pull them off carefully to preserve the root. If no root, the plant may still be fine if left undisturbed in its new position while a new one grows.

Soil temperature should be kept higher than 12°C / 54°F to ensure good germination.

Transplanting Cobweb houseleek

Use additional grit to assist drainage and plant out in a sunny position. Cobweb house leek can be use in pots and containers in rock gardens or as part of a ‘green roof’

Ensure that temperatures are mild and all chance of frost has passed before planting out, as Cobweb houseleek is a hardy plant.

How long does Cobweb houseleek take to grow?

These estimates for how long Cobweb houseleek takes to sprout, grow and harvest are from real observations from real gardeners, right around the world.

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Other names for Cobweb houseleek

Sempervivum, Hens n chicks