Cryptocoryne 'Flamingo': the pink crypt for the patient

A cultivated pink crypt

Cryptocoryne 'Flamingo' is a cultivated selection of Cryptocoryne wendtii, a rosette plant in the arum family (Araceae) from Sri Lanka. Unlike a wild species, 'Flamingo' is a tissue-cultured cultivar prized purely for its extraordinary colour. The precise genetic basis of that pink is not something the hobby documents well; what matters in practice is that the colour is real and stable in the plant, but demands the right conditions to show fully.

Pink like almost nothing else

New leaves emerge a vivid pink to magenta, often with darker veining, on the compact strap-leaved rosette typical of wendtii. It is among the most intensely pink plants available to aquarists. Older leaves tend to fade toward pink-green as they age and as light reaching them drops. The plant stays small — a low rosette rather than a tall feature — so its impact comes entirely from colour, not size.

A crypt that breaks the 'easy crypt' rule

Most crypts are beginner plants; 'Flamingo' is not, and it is fair to call it advanced. To develop and hold its pink it wants strong light, a genuinely nutrient-rich root zone with iron-rich root tabs, and — while not strictly essential — CO₂, which greatly helps it establish and grow. Above all it wants stability: like all crypts it resents being moved or having its parameters swung, and 'Flamingo' establishes especially slowly. Expect it to sit and sulk for weeks before it settles. Patience, not intervention, is the main skill.

Parameter	Value
Lighting	Medium to high — colour depends on strong light
CO2	Strongly beneficial; helps it establish and hold colour
Temperature	22–28°C
pH	6.0–7.5
Hardness	Soft to moderately hard
Fertiliser	Heavy root feeder — rich substrate and iron-rich root tabs
Substrate	Nutritious substrate essential for good colour
Growth rate	Slow
Placement	Foreground to midground accent
Difficulty	Advanced (for a crypt)

A jewel, used sparingly

Because the colour is so loud, 'Flamingo' works best as a deliberate accent rather than a mass planting — a few plants as a focal jewel in the foreground or midground, set against green to let the pink sing. It suits a mature, stable, well-lit scape where it can be left undisturbed. In a busy or dim tank it will neither hold its colour nor establish well.

Slow runners

Like other crypts it spreads by runners, sending up daughter plantlets nearby once established — but 'Flamingo' does this slowly. Let daughters root well before separating them, since disturbance readily triggers melt. Do not expect the fast carpets some crypts eventually form; this is a plant to grow patiently, a few new plants a season.

Melt, fading, and slow starts

Crypt melt — leaves dissolving after planting or a change — is very likely with 'Flamingo' and is the usual adjustment rather than death; leave the rootstock in place and it re-leaves. Fading to green or pale pink most often means too little light reaching the plant, though age and shading contribute, so treat it as a prompt to check light and position. A very slow start is normal, not a fault — resist the urge to keep moving it, which only resets the clock.

More plants in this series

• Cryptocoryne wendtii — the easy parent species
• Undulate crypt — easy wavy-leaved crypt
• Cryptocoryne parva — the smallest crypt
• Alternanthera reineckii — broad-leaved red accent
• Tiger lotus — red-leaved bulb feature