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Repotting guide

When & how to repot Orpine (Hylotelephium telephium)

Also called Orpine, Live-forever, Livelong, Life Everlasting, Frog's Stomach.

More about orpine

About Orpine

Hylotelephium telephium · also called Orpine, Live-forever · flowering

A tough, long-lived herbaceous perennial native across Europe, Russia, and northern China, with fleshy blue-green foliage and flat-topped clusters of pink to red-purple flowers in late summer. Tolerant of cold to USDA zone 4, drought, and poor soils. Popular in cottage gardens and wildlife borders; dies back in winter and re-emerges reliably in spring.

Mature size: 18–24 in tall (45–60 cm); clumps spread 12–18 in (30–45 cm)

Watch for — Powdery mildew in damp, shaded conditions: White powdery coating on leaves in humid or overcrowded conditions. Improve air circulation and move to a sunnier spot. Remove affected leaves and apply a sulphur-based fungicide if severe.

How to tell orpine needs repotting

Repotting on a calendar is less reliable than reading the plant. For orpine, watch for these signs:

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 orpine

Every 2–3 years, into bone-dry mix. Orpine's growth habit — upright, clump-forming herbaceous perennial; fleshy succulent stems with alternate, toothed, glaucous leaves; fully dies back to below-ground rootstock in winter — sets the pace. A tough, long-lived herbaceous perennial native across Europe, Russia, and northern China, with fleshy blue-green foliage and flat-topped clusters of pink to red-purple flowers in late summer. Tolerant of cold to USDA zone 4, drought, and poor soils. Popular in cottage gardens and wildlife borders; dies back in winter and re-emerges reliably in spring.

What size pot to step orpine up to

Use a pot only one size up — or even the same pot with fresh gritty mix if the roots have room. Orpine 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 orpine

Spring or summer, while orpine 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 orpine

  1. Repot dry. Do not water orpine for several days first. Working with dry roots and dry mix dramatically lowers the rot risk for a succulent.
  2. Pick a snug, fast-draining pot. Choose terracotta one size up at most, with a drainage hole. Have gritty well-drained, moderately fertile to poor loam or sandy soil ready.
  3. 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.
  4. Pot into dry mix. Set orpine at its original depth in dry gritty mix, firming gently. Do not bury the stem deeper than it was.
  5. 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 orpine 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 orpine

Orpine wants well-drained, moderately fertile to poor loam or sandy soil. Thrives in neutral to slightly alkaline, well-drained soil (pH 6.5–7.5). Tolerates poor and sandy soils well. Rich, wet soils cause floppy growth and rot. Grows naturally on rocky slopes and dry banks. Always use fresh mix when you repot — reusing old, broken-down soil reintroduces the compaction and poor drainage you are repotting to fix.

Repotting orpine — frequently asked questions

How often should you repot orpine?

Every 2–3 years, into bone-dry mix for orpine. Repot orpine every 2–3 years into a snug pot of well-drained, moderately fertile to poor loam or sandy soil, 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 orpine need?

Use a pot only one size up — or even the same pot with fresh gritty mix if the roots have room. Orpine 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. Use our pot size calculator to size it from the plant's current pot and root spread.

When is the best time of year to repot orpine?

Spring or summer, while orpine 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.

Should you water orpine after repotting?

No — not straight away. Repot orpine 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 orpine after repotting?

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

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