PlantLab › Plants › Hygrophila polysperma 'Rosanervig'

Background · Beginner friendly

Hygrophila polysperma 'Rosanervig'

Hygrophila polysperma

1 / 2

✦ DIFFICULTY Easy–Moderate

A forgiving choice for newer planted tanks.

☀ LIGHT High

Around 10 hours is a useful starting point.

≈ CO₂ Optional

Injection is not normally necessary.

↗ GROWTH Fast

Weekly trimming needs.

PLANT OVERVIEW

About Hygrophila polysperma 'Rosanervig'

An easy pink-veined 'sunset' hygrophila.

Rosanervig' (Sunset Hygrophila) shows pink-to-white veining caused by a harmless iron-transport quirk, brightest under strong light. It keeps polysperma's easy, fast-growing nature while adding standout color. Note: polysperma is banned in some U.S. states as a noxious weed — check local rules.

Shrimp friendly Low-tech suitable High-tech suitable

CARE PROFILE

What this plant needs.

The useful numbers and practical notes, grouped around how you actually keep the plant.

□

TANK FIT

Placement + size

Primary placementBackground

Typical height6–16 in

Typical width4 in

Suggested minimum tank10 gal

Suggested tank height12 in+

☀

LIGHT + CO₂

Energy demand

Ideal lightHigh

Photoperiod range8–12 hr

Approx. PAR40–100

Injected CO₂Optional

CO₂ benefitModerate

●

NUTRITION

Where it feeds

Root feedingLow

Water-column feedingHigh

Overall fertilizer demandModerate

Iron demandModerate

MicronutrientsModerate

≈

WATER

Useful parameter range

Temperature72–82°F

pH6–7.8

GH3–15 dGH

KH2–12 dKH

PLANTING

How to plant it.

Substrate: Nutrient-rich substrate or root tabs

Fast grower; pinch and replant tops to keep it bushy.

GROWTH + PROPAGATION

What to expect after planting.

Propagation

Stem cuttings

Acclimation

Adapts quickly; may drop lower leaves if shaded.

COMMON PROBLEMS

What usually goes wrong.

Outgrows small tanks fast; shades plants below it if left untrimmed.

KEEP EXPLORING

Plants with similar growing conditions.

Matched from the PlantLab database using light, CO₂, difficulty, feeding demand and placement.

Food For Shrimp

Hygrophila polysperma 'Rosanervig'

About Hygrophila polysperma 'Rosanervig'

What this plant needs.

Placement + size

Energy demand

Where it feeds

Useful parameter range

How to plant it.

What to expect after planting.

Propagation

Acclimation

What usually goes wrong.

Plants with similar growing conditions.

Myriophyllum Mattogrossense

Ludwigia palustris 'Super Red'

Rotala rotundifolia

Ammannia pedicellata 'Golden'

Didiplis diandra

Hydrocotyle sibthorpioides