Repotting guide

When & how to repot Pyrenean Ramonda (Ramonda myconi)

Also called Pyrenean ramonda, Pyrenean violet, rock mullein.

More about pyrenean ramonda

About Pyrenean Ramonda

Ramonda myconi · also called Pyrenean ramonda, Pyrenean violet · flowering

A hardy alpine gesneriad native to the Pyrenees, forming tight rosettes of crinkled, dark green hairy leaves with violet-purple flowers in late spring. One of the toughest members of the family, thriving in rock crevices in partial shade. Plants must be grown nearly vertical to prevent rosette rot from winter moisture.

Mature size: 8–10 cm tall; spreading to 15–20 cm wide

Watch for — Slugs and snails: The hairy leaves are highly attractive to slugs, especially in damp conditions. Use copper tape barriers around pots, crushed grit mulch at the base, or organic slug pellets in a rock garden setting.

How to tell pyrenean ramonda needs repotting

Repotting on a calendar is less reliable than reading the plant. For pyrenean ramonda, 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 pyrenean ramonda

Every 2–3 years, into bone-dry mix. Pyrenean Ramonda's growth habit — evergreen perennial forming a compact stemless rosette of crinkled, ovate, hairy leaves — sets the pace. A hardy alpine gesneriad native to the Pyrenees, forming tight rosettes of crinkled, dark green hairy leaves with violet-purple flowers in late spring. One of the toughest members of the family, thriving in rock crevices in partial shade. Plants must be grown nearly vertical to prevent rosette rot from winter moisture.

What size pot to step pyrenean ramonda up to

Use a pot only one size up — or even the same pot with fresh gritty mix if the roots have room. Pyrenean Ramonda 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 pyrenean ramonda

Spring or summer, while pyrenean ramonda 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 pyrenean ramonda

Repot dry. Do not water pyrenean ramonda 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 moderately fertile, humus-rich, gritty, well-drained soil 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 pyrenean ramonda 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 pyrenean ramonda 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 pyrenean ramonda

Pyrenean Ramonda wants moderately fertile, humus-rich, gritty, well-drained soil. Thrive in a mix of loam or leaf mold with fine grit or perlite, reflecting the gritty limestone cliff soils of the Pyrenees. Tolerates chalk, loam, and sandy soils across acid to neutral pH. Excellent drainage is more important than fertility. Always use fresh mix when you repot — reusing old, broken-down soil reintroduces the compaction and poor drainage you are repotting to fix.

Repotting pyrenean ramonda — frequently asked questions

How often should you repot pyrenean ramonda?

Every 2–3 years, into bone-dry mix for pyrenean ramonda. Repot pyrenean ramonda every 2–3 years into a snug pot of moderately fertile, humus-rich, gritty, well-drained 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 pyrenean ramonda need?

When is the best time of year to repot pyrenean ramonda?

Should you water pyrenean ramonda after repotting?

No — not straight away. Repot pyrenean ramonda 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 pyrenean ramonda after repotting?

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