Repotting guide

When & how to repot Berlandier's Jatropha (Jatropha berlandieri)

Also called Berlandier's Jatropha, Baseball Jatropha, Sangre de Drago.

More about berlandier's jatropha

About Berlandier's Jatropha

Jatropha berlandieri · also called Berlandier's Jatropha, Baseball Jatropha · tropical

Berlandier's Jatropha is a caudiciform succulent native to northern Mexico and the Rio Grande region of Texas. It develops a large, globose, pale-grey caudex that can be grown partially exposed above the soil for bonsai-like display. Blue-green lobed leaves and small clusters of coral-pink flowers emerge in summer. All parts are toxic.

Mature size: Caudex to 20 cm wide and 30 cm tall; above-ground stems 15–30 cm tall in cultivation

Watch for — Caudex and root rot: Overwatering, especially in cool or low-light conditions, rapidly causes internal caudex rot that is often invisible until the plant collapses. Always use a fast-draining mix and withhold water in winter completely.

How to tell berlandier's jatropha needs repotting

Repotting on a calendar is less reliable than reading the plant. For berlandier's jatropha, 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 berlandier's jatropha

Every 2–3 years, into bone-dry mix. Berlandier's Jatropha's growth habit — geophytic caudiciform with a large, globose to subglobose, pale grey-white caudex (often partially subterranean) from which slender deciduous stems bearing blue-green, 5–7-lobed leaves emerge. produces small corymbs of coral-pink to red flowers. goes fully or partly deciduous in winter or during drought stress. — sets the pace. Berlandier's Jatropha is a caudiciform succulent native to northern Mexico and the Rio Grande region of Texas. It develops a large, globose, pale-grey caudex that can be grown partially exposed above the soil for bonsai-like display. Blue-green lobed leaves and small clusters of coral-pink flowers emerge in summer. All parts are toxic.

What size pot to step berlandier's jatropha up to

Use a pot only one size up — or even the same pot with fresh gritty mix if the roots have room. Berlandier's Jatropha 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 berlandier's jatropha

Spring or summer, while berlandier's jatropha 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 berlandier's jatropha

Repot dry. Do not water berlandier's jatropha 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 very 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 berlandier's jatropha 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 berlandier's jatropha 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 berlandier's jatropha

Berlandier's Jatropha wants very gritty, fast-draining succulent mix. Use a cactus/succulent mix blended with 40–50% coarse perlite or pumice. The caudex and root system cannot tolerate standing moisture. Slightly alkaline to neutral pH (6.5–8.0) is tolerated, reflecting its native limestone and clay soils. Always use fresh mix when you repot — reusing old, broken-down soil reintroduces the compaction and poor drainage you are repotting to fix.

Repotting berlandier's jatropha — frequently asked questions

How often should you repot berlandier's jatropha?

Every 2–3 years, into bone-dry mix for berlandier's jatropha. Repot berlandier's jatropha every 2–3 years into a snug pot of very 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 berlandier's jatropha need?

When is the best time of year to repot berlandier's jatropha?

Should you water berlandier's jatropha after repotting?

No — not straight away. Repot berlandier's jatropha 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 berlandier's jatropha after repotting?

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