Propagating Echinodorus 'Red Flame'

How to propagate the red-mottled Echinodorus 'Red Flame' sword through adventitious daughter plantlets on the flower stalk and by dividing the crown and rhizome.

Overview

Echinodorus 'Red Flame' is a cultivated sword from the family Alismataceae that grows as a rosette, with leaves radiating from a central crown. Like other Echinodorus, it naturally occurs as a marsh and bog plant capable of submersed growth, and it can form aerial leaves in good conditions. It is a heavy root feeder, so propagation success depends as much on a rich substrate as on the technique you choose.

Because it is a rosette rather than a stem plant, you do not top or take cuttings. Instead, the two reliable routes are adventitious daughter plantlets that develop on a submerged flowering stem and division of the crown and rhizome.

Propagation Method

Echinodorus propagation is by division or by adventitious new plants developing on submerged flowering stems. When a submerged inflorescence forms, small plantlets develop on the stalk instead of flowers, and each plantlet grows its own roots and leaves while still attached.

Adventitious plantlets: daughter plants form along the submerged flower stalk and can be detached once rooted.
Crown and rhizome division: an established rosette is split into sections, each with its own roots.

Step-by-Step

Wait for a mature plant to send up a flowering stem; under submerged conditions it produces plantlets rather than seeds.
Allow each plantlet to develop its own roots and a few leaves while still on the stalk.
Cut the plantlet free with clean scissors and plant it in nutrient-rich substrate, keeping the crown above the substrate and burying only the roots.
To divide instead, lift a large rosette, gently separate the rhizome into sections that each carry roots, and replant each piece.
Press root tabs into the substrate near each new plant, since swords are heavy root feeders.

Conditions for Healthy Growth

Echinodorus prefer a deep, nutrient-rich substrate for root feeding, good light, and tropical to subtropical temperatures. Additional CO2 often helps drive strong growth, though it is not strictly required for this cultivar.

Substrate: deep and nutrient-rich, supplemented with root tabs.
Light: medium and steady to keep the red mottling pronounced.
Temperature: warm, in the tropical to subtropical range.

Maintenance

Bury the roots while keeping the crown clear of the substrate; covering the crown can rot the plant. Replenish root tabs as the substrate depletes, and remove old or damaged outer leaves so energy goes into new growth and any developing plantlets.

Common Challenges

Crown buried too deep, leading to rot — replant with the crown exposed.
Plantlets detached before they have roots, slowing establishment.
Pale or stunted leaves from a depleted substrate — add root tabs.