Repotting guide

When & how to repot Hairy Parakohleria (Parakohleria villosa)

Also called Hairy Parakohleria.

More about hairy parakohleria

About Hairy Parakohleria

Parakohleria villosa · also called Hairy Parakohleria · tropical

Hairy Parakohleria is a softly hairy-leaved gesneriad from the Andean cloud forests of South America, closely related to Kohleria. It produces attractive, velvety foliage and tubular flowers in warm hues. It thrives with bright filtered light, high humidity, and well-drained soil, and is best grown in a warm greenhouse or humid indoor space.

Mature size: 30–50 cm tall, 25–40 cm spread

Watch for — Mealy bugs in leaf axils: Mealy bugs hide in the axils of hairy-leaved gesneriads and are difficult to spot. Inspect regularly; treat with 70% isopropyl alcohol on a cotton swab or diluted neem oil applied carefully to avoid wetting all foliage.

How to tell hairy parakohleria needs repotting

Repotting on a calendar is less reliable than reading the plant. For hairy parakohleria, watch for these signs:

Roots poking out of the drainage holes or coiling visibly around the inside of the pot.
You are watering far more often than you used to because the rootball dries out within a day or two.
Water runs straight through and out the bottom without soaking in.
Top growth has slowed or new hairy parakohleria leaves are noticeably smaller than older ones despite good light.

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 hairy parakohleria

Every 12–18 months — sooner if roots show fast. Hairy Parakohleria's growth habit — upright, softly hairy-stemmed herb with velvety opposite leaves and axillary tubular flowers — sets the pace. Hairy Parakohleria is a softly hairy-leaved gesneriad from the Andean cloud forests of South America, closely related to Kohleria. It produces attractive, velvety foliage and tubular flowers in warm hues. It thrives with bright filtered light, high humidity, and well-drained soil, and is best grown in a warm greenhouse or humid indoor space.

What size pot to step hairy parakohleria up to

Step up one pot size — about 2–3 cm (an inch) wider. Hairy Parakohleria grows fast, so it will fill that space within a season, but jumping several sizes at once still backfires: the unused soil stays soggy and rots even a vigorous root system. One size at a time, every year or so, is the rhythm.

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 hairy parakohleria

Early spring, just as new growth restarts, is the ideal window for hairy parakohleria. The plant is moving into its strongest growth phase and re-roots into fresh soil quickly. Avoid repotting in winter dormancy or, for flowering plants, while it is in bud or bloom — recovery is slowest then and you risk dropping the flowers.

Step-by-step: repotting hairy parakohleria

Time it for spring. Repot hairy parakohleria in early spring as growth restarts so it re-roots quickly into the fresh soil.
Choose one size up. Pick a pot about 2–3 cm wider with drainage holes. One step only — a much bigger pot stays soggy and rots roots.
Ease the plant out. Water lightly the day before, then tip hairy parakohleria out and gently loosen any roots circling the bottom of the rootball.
Repot at the same depth. Put a layer of fresh light, well-draining peat- or coir-based gesneriad mix in the new pot, set the plant so its soil line is unchanged, and backfill, firming lightly.
Water and pause feeding. Water once to settle the soil. Hold off fertiliser for about a month — fresh mix already has nutrients and feeding now burns new roots.

Aftercare

Water hairy parakohleria once to settle the soil, then let the surface dry before watering again — fresh mix around the roots stays wetter than the old compacted ball, so the commonest post-repot mistake is overwatering. Keep it out of direct sun for a week or two while roots re-establish. Do not fertilise for about 4 weeks — fresh mix already carries nutrients and feeding freshly disturbed roots scorches them.

The right soil mix for hairy parakohleria

Hairy Parakohleria wants light, well-draining peat- or coir-based gesneriad mix. Use an African violet or gesneriad potting mix with added perlite (20–30%). The mix should be moisture-retentive yet drain freely. Slightly acidic pH of 5.8–6.5 is optimal. Avoid heavy or compacting potting 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 hairy parakohleria — frequently asked questions

How often should you repot hairy parakohleria?

Every 12–18 months — sooner if roots show fast for hairy parakohleria. Repot hairy parakohleria roughly every 12–18 months, in early spring as growth restarts. It grows fast and circles its pot quickly, so step up one size (about 2–3 cm wider) into fresh light, well-draining peat- or coir-based gesneriad mix. Don't jump several sizes — that soggy excess soil is what rots vigorous roots.

What size pot does hairy parakohleria need?

When is the best time of year to repot hairy parakohleria?

Can you put hairy parakohleria straight into a much bigger pot?

No. Even a fast-growing hairy parakohleria should only go up one pot size at a time. A vastly oversized pot holds a reservoir of wet soil the roots cannot reach, which stays cold and soggy and rots the roots — the opposite of what you wanted.

Should you fertilise hairy parakohleria after repotting?

Not immediately. Wait about 4 weeks after repotting hairy parakohleria. Fresh mix already contains nutrients, and feeding freshly cut or disturbed roots burns them. Resume your normal feeding routine once you see new growth.