Hygrophila Araguaia

Hygrophila lancea 'Araguaia'

Family: Acanthaceae

A striking stem plant with ultra-narrow, needle-like leaves that turn deep red-purple under high light and CO₂. The fine, dense foliage creates a delicate, feathery texture rarely seen in other stem plants. Grows quickly and benefits from regular trimming to maintain a bushy appearance. The colour is highly dependent on light intensity — low light produces mostly green growth. One of the most popular plants in competitive aquascaping.

Keeping this species

co2: Recommended for best colour
light: Medium to high
max size: 15–30 cm tall
placement: Midground to background
substrate: Nutrient-rich substrate
growth rate: Medium to fast

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Water it likes

ph: 5.5–7.5
notes: Intense red-purple colour requires high light and CO₂. Will stay mostly green in low-light tanks.
hardness: 0–12 dGH
temperature: 154–180°F (68–82°C)