Repotting guide

When & how to repot Sempervivum 'Pacific Blue Ice' (Sempervivum 'Pacific Blue Ice')

Also called Pacific Blue Ice houseleek.

More about sempervivum 'pacific blue ice'

About Sempervivum 'Pacific Blue Ice'

Sempervivum 'Pacific Blue Ice' · also called Pacific Blue Ice houseleek · houseplant

Sempervivum 'Pacific Blue Ice' is a cool-toned hybrid houseleek with frosty blue-grey to silvery rosettes that pick up soft lavender and pink blushes in sun and cold. From the Pacific-series breeding, it is cold-hardy, drought-tolerant, and freely offsetting. Its icy palette suits modern containers and rockeries; it needs full sun, sharp drainage, and very restrained watering.

Mature size: Rosettes 6-10 cm across; colonies spread 25-30 cm wide. Flower stalks reach 15-25 cm.

Watch for — Root and crown rot: Overwatering or heavy soil rots the plant, the leading cause of failure. Use a gritty mix, water only when fully dry, and keep nearly dry in winter.

How to tell sempervivum 'pacific blue ice' needs repotting

Repotting on a calendar is less reliable than reading the plant. For sempervivum 'pacific blue ice', watch for these signs:

Roots growing out of the drainage holes, or the rootball lifting the plant proud of the rim.
Soil that has shrunk away from the pot sides and no longer holds water.
The pot is unstable because the plant has grown top-heavy.
Old, compacted, broken-down mix that stays wet too long — for a succulent that is a rot risk, so refresh it even if the pot size is fine.

For the underlying biology of a pot-bound root system and why it stalls a plant, see our guide to spotting and fixing a root-bound plant.

How often to repot sempervivum 'pacific blue ice'

Every 2–3 years, into bone-dry mix. Sempervivum 'Pacific Blue Ice''s growth habit — evergreen, mat-forming succulent. rosettes spread by stoloniferous offsets around a central plant into tidy colonies. each rosette is monocarpic, flowering once before dying and being replaced by its chicks. — sets the pace. Sempervivum 'Pacific Blue Ice' is a cool-toned hybrid houseleek with frosty blue-grey to silvery rosettes that pick up soft lavender and pink blushes in sun and cold. From the Pacific-series breeding, it is cold-hardy, drought-tolerant, and freely offsetting. Its icy palette suits modern containers and rockeries; it needs full sun, sharp drainage, and very restrained watering.

What size pot to step sempervivum 'pacific blue ice' up to

Use a pot only one size up — or even the same pot with fresh gritty mix if the roots have room. Sempervivum 'Pacific Blue Ice' stores water and rots in a large pot of slow-drying soil. A tight terracotta pot that dries fast is far safer than a generous plastic one. Never up-pot a succulent by several sizes.

Not sure of the exact diameter? Our pot size calculator takes the current pot and root spread and tells you the right next size — it deliberately recommends a single step up, never a big jump.

The best time of year to repot sempervivum 'pacific blue ice'

Spring or summer, while sempervivum 'pacific blue ice' is in active growth and warm, is best — roots recover fastest then, and the plant is not sitting in cool damp soil. Avoid repotting a succulent in winter dormancy.

Step-by-step: repotting sempervivum 'pacific blue ice'

Repot dry. Do not water sempervivum 'pacific blue ice' for several days first. Working with dry roots and dry mix dramatically lowers the rot risk for a succulent.
Pick a snug, fast-draining pot. Choose terracotta one size up at most, with a drainage hole. Have gritty gritty, fast-draining succulent mix ready.
Tip it out and clean the roots. Slide the plant out, crumble off the old soil, and trim any black, mushy or dead roots with clean snips.
Pot into dry mix. Set sempervivum 'pacific blue ice' at its original depth in dry gritty mix, firming gently. Do not bury the stem deeper than it was.
Wait a week before watering. Leave it completely dry and out of harsh sun for about 7 days so any damaged roots callus. Only then water lightly.

Aftercare

Keep sempervivum 'pacific blue ice' completely dry and out of fierce sun for about a week so any nicked roots callus before they meet moisture; watering a freshly repotted succulent is the classic way to rot it. Then resume the normal lean, dry rhythm. Do not fertilise for about 3 weeks — fresh mix already carries nutrients and feeding freshly disturbed roots scorches them.

The right soil mix for sempervivum 'pacific blue ice'

Sempervivum 'Pacific Blue Ice' wants gritty, fast-draining succulent mix. Plant in cactus/succulent compost cut about 1:1 with grit, pumice, or perlite. A lean, neutral, sharply draining substrate prevents the crown sitting wet and helps preserve the cool, glaucous bloom on the leaves. Always use fresh mix when you repot — reusing old, broken-down soil reintroduces the compaction and poor drainage you are repotting to fix.

Repotting sempervivum 'pacific blue ice' — frequently asked questions

How often should you repot sempervivum 'pacific blue ice'?

Every 2–3 years, into bone-dry mix for sempervivum 'pacific blue ice'. Repot sempervivum 'pacific blue ice' every 2–3 years into a snug pot of gritty, fast-draining succulent mix, ideally in spring or summer. Let it sit in dry soil and do not water for about a week afterwards so any nicked roots can callus. Over-potting and watering straight away is what rots succulents.

What size pot does sempervivum 'pacific blue ice' need?

When is the best time of year to repot sempervivum 'pacific blue ice'?

Should you water sempervivum 'pacific blue ice' after repotting?

No — not straight away. Repot sempervivum 'pacific blue ice' into dry mix and wait about a week before the first watering so any damaged roots callus over. Watering a freshly repotted succulent is the single most common way to rot one.

Should you fertilise sempervivum 'pacific blue ice' after repotting?

Not immediately. Wait about 3 weeks after repotting sempervivum 'pacific blue ice'. Fresh mix already contains nutrients, and feeding freshly cut or disturbed roots burns them. Resume your normal feeding routine once you see new growth.