Repotting guide

When & how to repot Old Man Palm (Coccothrinax crinita)

Also called Miraguano Palm, Thatch Palm, Cuban Old Man Palm.

More about old man palm

About Old Man Palm

Coccothrinax crinita · also called Miraguano Palm, Thatch Palm · tropical

A remarkable fan palm from western Cuba, beloved for the dense woolly fibres that cover its trunk like a shaggy coat — giving it the 'old man' appearance. Critically endangered in the wild. Slow-growing and prized by collectors. Drought- and salt-tolerant. True palms are non-toxic to pets.

Mature size: Up to 10 m outdoors; extremely slow to reach significant height — typically 1-2 m in 10 years in cultivation

Watch for — Root rot: The primary cultural failure; ensure excellent drainage in all potting or planting situations.

How to tell old man palm needs repotting

Repotting on a calendar is less reliable than reading the plant. For old man palm, 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 old man palm

Every 2–3 years, into bone-dry mix. Old Man Palm's growth habit — single-trunked fan palm with woolly fibrous trunk covering — sets the pace. A remarkable fan palm from western Cuba, beloved for the dense woolly fibres that cover its trunk like a shaggy coat — giving it the 'old man' appearance. Critically endangered in the wild. Slow-growing and prized by collectors. Drought- and salt-tolerant. True palms are non-toxic to pets.

What size pot to step old man palm up to

Use a pot only one size up — or even the same pot with fresh gritty mix if the roots have room. Old Man Palm 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 old man palm

Spring or summer, while old man palm 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 old man palm

Repot dry. Do not water old man palm 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 sandy, fast-draining loam or cactus/palm 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 old man palm 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 old man palm 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 old man palm

Old Man Palm wants sandy, fast-draining loam or cactus/palm mix. Grows naturally in thin, rocky alkaline soils in Cuba. A gritty, fast-draining mix replicates these conditions best. Add coarse perlite or horticultural grit to standard potting compost for container culture. Always use fresh mix when you repot — reusing old, broken-down soil reintroduces the compaction and poor drainage you are repotting to fix.

Repotting old man palm — frequently asked questions

How often should you repot old man palm?

Every 2–3 years, into bone-dry mix for old man palm. Repot old man palm every 2–3 years into a snug pot of sandy, fast-draining loam or cactus/palm 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 old man palm need?

When is the best time of year to repot old man palm?

Should you water old man palm after repotting?

No — not straight away. Repot old man palm 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 old man palm after repotting?

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