Repotting guide

When & how to repot Node-flower Cyanotis (Cyanotis nodiflora)

Also called Node-flower Cyanotis.

More about node-flower cyanotis

About Node-flower Cyanotis

Cyanotis nodiflora · also called Node-flower Cyanotis · houseplant

Cyanotis nodiflora is a softly hairy, erect-to-trailing perennial from tropical Asia, producing small blue or pink flowers at the nodes in summer. It shares the family's characteristic hairy stems and preference for bright, indirect light with well-drained, gritty soil and warm temperatures. Avoid misting the foliage.

Mature size: 15–30 cm tall; spreading to 40 cm

Watch for — Root rot from overwatering: The most frequent problem. Stems collapse at the base when roots have rotted. Tip-cuttings from healthy stem sections can be used to restart the plant. Always use well-draining soil and pots with drainage holes.

How to tell node-flower cyanotis needs repotting

Repotting on a calendar is less reliable than reading the plant. For node-flower cyanotis, 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 node-flower cyanotis

Every 2–3 years, into bone-dry mix. Node-flower Cyanotis's growth habit — semi-erect to spreading perennial with slightly branched stems and dark green leaves that show a purple flush on their lower surface. — sets the pace. Cyanotis nodiflora is a softly hairy, erect-to-trailing perennial from tropical Asia, producing small blue or pink flowers at the nodes in summer. It shares the family's characteristic hairy stems and preference for bright, indirect light with well-drained, gritty soil and warm temperatures. Avoid misting the foliage.

What size pot to step node-flower cyanotis up to

Use a pot only one size up — or even the same pot with fresh gritty mix if the roots have room. Node-flower Cyanotis 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 node-flower cyanotis

Spring or summer, while node-flower cyanotis 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 node-flower cyanotis

Repot dry. Do not water node-flower cyanotis 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 loose, gritty, well-draining 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 node-flower cyanotis 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 node-flower cyanotis 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 node-flower cyanotis

Node-flower Cyanotis wants loose, gritty, well-draining mix. Use equal parts loam, coarse perlite or sand, and compost. The mix should drain freely while retaining just enough moisture. Avoid rich, moisture-retentive potting composts that increase rot risk. Always use fresh mix when you repot — reusing old, broken-down soil reintroduces the compaction and poor drainage you are repotting to fix.

Repotting node-flower cyanotis — frequently asked questions

How often should you repot node-flower cyanotis?

Every 2–3 years, into bone-dry mix for node-flower cyanotis. Repot node-flower cyanotis every 2–3 years into a snug pot of loose, gritty, well-draining 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 node-flower cyanotis need?

When is the best time of year to repot node-flower cyanotis?

Should you water node-flower cyanotis after repotting?

No — not straight away. Repot node-flower cyanotis 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 node-flower cyanotis after repotting?

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