Repotting guide

When & how to repot Hoya Linearis (Hoya linearis)

Also called Wax plant, Porcelain flower, String bean Hoya, Living curtain.

More about hoya linearis

About Hoya Linearis

Hoya linearis · also called Wax plant, Porcelain flower · houseplant

Hoya linearis is a trailing, semi-succulent wax plant prized for its cascading curtains of slender, fuzzy needle-like leaves and fragrant white star flowers. Give it bright indirect light, let the airy mix dry between waterings, and keep it at 18-24C. The Hoya genus is listed as ASPCA non-toxic, making it pet-safe.

Mature size: Trailing stems commonly reach 60-90cm (2-3 ft) indoors and can extend to 1.8m (6 ft) or more on well-established plants.

Watch for — Shrivelled or wrinkled leaves: Usually a watering imbalance — most often underwatering or a root system that has dried out, but persistently soggy roots cause the same look. Check the mix moisture and rehydrate gradually.

How to tell hoya linearis needs repotting

Repotting on a calendar is less reliable than reading the plant. For hoya linearis, 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 hoya linearis

Every 2–3 years, into bone-dry mix. Hoya Linearis's growth habit — a fast-growing, pendulous trailing vine that forms dense cascades of thin, soft, hairy needle-like leaves. best displayed in a hanging basket or on a high shelf where the stems can spill downward. mature plants produce clusters of fragrant, white star-shaped flowers with a yellow or reddish centre, typically in late autumn into winter. — sets the pace. Hoya linearis is a trailing, semi-succulent wax plant prized for its cascading curtains of slender, fuzzy needle-like leaves and fragrant white star flowers. Give it bright indirect light, let the airy mix dry between waterings, and keep it at 18-24C. The Hoya genus is listed as ASPCA non-toxic, making it pet-safe.

What size pot to step hoya linearis up to

Use a pot only one size up — or even the same pot with fresh gritty mix if the roots have room. Hoya Linearis 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 hoya linearis

Spring or summer, while hoya linearis 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 hoya linearis

Repot dry. Do not water hoya linearis 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 light, airy, fast-draining epiphyte 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 hoya linearis 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 hoya linearis 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 hoya linearis

Hoya Linearis wants light, airy, fast-draining epiphyte mix. As an epiphyte it needs excellent drainage and aeration. Use a chunky mix such as cactus/succulent compost amended with perlite and orchid bark (roughly 2 parts mix to 1 part bark), or peat-free compost with added grit. Always pot into a container with drainage holes. Always use fresh mix when you repot — reusing old, broken-down soil reintroduces the compaction and poor drainage you are repotting to fix.

Repotting hoya linearis — frequently asked questions

How often should you repot hoya linearis?

Every 2–3 years, into bone-dry mix for hoya linearis. Repot hoya linearis every 2–3 years into a snug pot of light, airy, fast-draining epiphyte 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 hoya linearis need?

When is the best time of year to repot hoya linearis?

Should you water hoya linearis after repotting?

No — not straight away. Repot hoya linearis 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 hoya linearis after repotting?

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