Repotting guide

When & how to repot Broadleaf Stonecrop (Sedum spathulifolium)

Also called Broadleaf Stonecrop, Spoon-Leaved Stonecrop, Coast Stonecrop.

More about broadleaf stonecrop

About Broadleaf Stonecrop

Sedum spathulifolium · also called Broadleaf Stonecrop, Spoon-Leaved Stonecrop · houseplant

Sedum spathulifolium is a low-growing native stonecrop from the Pacific Coast of North America, forming tight rosettes of spoon-shaped, waxy leaves dusted with a silvery or purple-flushed bloom. Hardy and adaptable, it suits alpine troughs, rock gardens, and bright indoor containers. Bright yellow star-shaped flowers appear in early summer. ASPCA lists Sedum as non-toxic.

Mature size: 5–10 cm (2–4 in) tall; spreading mat to 30–45 cm (12–18 in) wide over time

Watch for — Vine weevil larvae (outdoors): Larvae feed on roots, causing plants to wilt and detach from the soil easily. Check the root zone in early autumn. Apply nematodes (Steinernema kraussei) in late summer when soil is warm and moist, or use licensed vine weevil compost treatments.

How to tell broadleaf stonecrop needs repotting

Repotting on a calendar is less reliable than reading the plant. For broadleaf stonecrop, 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 broadleaf stonecrop

Every 2–3 years, into bone-dry mix. Broadleaf Stonecrop's growth habit — mat-forming, low-growing perennial; tight flattened rosettes spreading by offsets to form a dense carpet — sets the pace. Sedum spathulifolium is a low-growing native stonecrop from the Pacific Coast of North America, forming tight rosettes of spoon-shaped, waxy leaves dusted with a silvery or purple-flushed bloom. Hardy and adaptable, it suits alpine troughs, rock gardens, and bright indoor containers. Bright yellow star-shaped flowers appear in early summer. ASPCA lists Sedum as non-toxic.

What size pot to step broadleaf stonecrop up to

Use a pot only one size up — or even the same pot with fresh gritty mix if the roots have room. Broadleaf Stonecrop 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 broadleaf stonecrop

Spring or summer, while broadleaf stonecrop 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 broadleaf stonecrop

Repot dry. Do not water broadleaf stonecrop 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 lean, sharply draining gritty mix or alpine compost 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 broadleaf stonecrop 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 broadleaf stonecrop 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 broadleaf stonecrop

Broadleaf Stonecrop wants lean, sharply draining gritty mix or alpine compost. A 50:50 blend of loam-based compost and horticultural grit works well. Avoid rich, fertile mixes — lean, mineral soil encourages compact, tight rosettes true to the wild form. pH 6.0–7.5. Always use fresh mix when you repot — reusing old, broken-down soil reintroduces the compaction and poor drainage you are repotting to fix.

Repotting broadleaf stonecrop — frequently asked questions

How often should you repot broadleaf stonecrop?

Every 2–3 years, into bone-dry mix for broadleaf stonecrop. Repot broadleaf stonecrop every 2–3 years into a snug pot of lean, sharply draining gritty mix or alpine compost, 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 broadleaf stonecrop need?

When is the best time of year to repot broadleaf stonecrop?

Should you water broadleaf stonecrop after repotting?

No — not straight away. Repot broadleaf stonecrop 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 broadleaf stonecrop after repotting?

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