Golden Melon Sword (Echinodorus 'Golden Melon') is a large cultivated Echinodorus selected for two simultaneous qualities that no other sword plant in the catalog combines: a warm gold-green to yellow-green leaf colour across the entire established plant, and a distinctly corrugated, textured leaf surface — a regular pattern of raised and recessed areas across each broad leaf that gives it the visual character of a melon rind at the aquarium plant scale. Where Red Flame Sword provides dramatic colour on new growth that fades with age, Golden Melon provides a consistent warm-toned colour that holds across all leaves at all stages of development — the entire plant is golden-green rather than a gradient from red to green. At full development it is a large specimen plant in the same size class as Amazon Sword, suited to tanks of 60 litres and above where it can develop without dominating the entire layout. Feeds heavily through a deep root system. Fully safe with all Neocaridina, Caridina, and snails.
Not RequiredCO₂
72–82°FTemperature
Med–HighLighting
What to Expect
Colour, Texture & Scale
Consistent warm gold-green to yellow-green across all established leaves — unlike Red Flame Sword whose colour is most vivid on new growth and transitions to green as leaves mature, Golden Melon maintains its characteristic warm yellow-green to gold-green colour across all leaves at all stages — young and old alike. The colour is not a transient quality of new growth but a stable, sustained characteristic of the cultivar. Under high light with iron the warmest, most distinctly golden tones develop; under lower light the colour sits closer to yellow-green but remains warm and clearly distinct from the cool greens of most other aquarium plants.
Corrugated leaf surface — melon-rind texture visible from across the tank — the regular pattern of raised ridges and recessed channels across each broad leaf gives the plant a three-dimensional surface texture that catches and reflects light differently across each leaf face. Under angled lighting the texture creates clear highlights and shadows that make the leaf surface read as sculptural rather than flat. The corrugation is consistent across all leaves of an established plant and is the defining morphological characteristic that distinguishes Golden Melon from other broad-leafed sword plants.
Large specimen plant requiring space to develop — at full development Golden Melon produces a rosette of broad leaves reaching 30–50cm in height with a spread of 40–60cm — a plant that occupies significant tank real estate and functions as a specimen or centrepiece rather than one plant among many. It suits tanks of 60 litres and above and is most effective in larger tanks where it has room to develop its full leaf count and rosette diameter without dominating the layout.
Root feeder — substrate quality directly drives performance — like all Echinodorus, Golden Melon roots deeply and draws heavily from the substrate. Root tabs placed at three to four points around the planting site at introduction and renewed every three to four months are the most important maintenance action for sustaining the golden-green colour and maximum leaf size. In inert substrate without supplementation the plant grows but is smaller and paler than in well-nourished conditions.
Produces runners with daughter plants once established — a healthy, established Golden Melon produces long runners that arch away from the parent plant and develop daughter plants at intervals. These can be separated once they have four to six leaves and their own root system — an opportunity to expand the planting, share, or create a second specimen position in the same tank.
How to Set It Up
Getting Started
1Plant as a centrepiece with 40–60cm of surrounding space — choose a position with sufficient lateral space for the full rosette to develop without crowding adjacent plants or hardscape. Plant with roots spread outward and the crown just above the substrate surface — burying the crown causes rot. The best position for Golden Melon is slightly off-centre in a mid-to-large tank where the corrugated, warm-toned leaves are visible from the primary viewing angle.
2Place root tabs in three to four positions around the planting site — push root tabs into substrate 6–8cm from the planting point in three to four evenly spaced positions before introducing the plant. Root nutrition from the start accelerates establishment and supports the golden-green leaf colour from the first new leaves.
3Medium to high light for warmest colour expression — under medium light the warm yellow-green colour is consistent and attractive. Under high light with iron the golden tone is most vivid and the corrugated texture most pronounced in the shadows it creates. Low light produces green rather than distinctly golden growth — the warm tone requires adequate light intensity to develop fully.
4Dose liquid iron and comprehensive fertiliser consistently — two to three doses of balanced liquid fertiliser with iron per week from the start of planting. Iron is the primary micronutrient driving the warm golden-green colour — plants with adequate iron produce visibly warmer, more distinctly coloured leaves than those in iron-deficient water at equivalent light levels.
💡 Bonus Tip
Golden Melon Sword positioned as the single centrepiece specimen in a tank otherwise planted with cool-green plants — deep-green Anubias, dark Bucephalandra, green Vallisneria — creates a warm focal point that anchors the entire layout by colour contrast rather than by scale alone. The corrugated texture adds a further differentiating quality that separates the centrepiece from smooth-leafed surrounding plants at a level of visual detail that reads across the tank. The combination of colour, texture, and scale makes Golden Melon one of the most compositionally effective single-specimen plants available without CO₂.
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Browse more aquatic plantsPair Golden Melon Sword with Amazon Sword, Red Flame Sword, Vallisneria, or Anubias for a complete planted layout. Browse our Aquatic Plants collection.
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