Gratiola viscidula is a distinctive North American species with a unique “thorny” textured appearance in its submerged form. It grows slowly, stays compact, and can be trimmed low to form a cushion?style foreground, or allowed to grow into a structured midground bush. Tropica’s 1?2?Grow cup ensures a clean, pest?free start.
Key Features
• Unique, textured “thorny” appearance
• Slow?growing and compact
• Tissue?culture clean
• Can be trimmed into a low carpet
• Ideal for fore/midground structure
Care Level
Easy / Medium
Placement
Foreground / Midground
FAQ
How tall does it grow?
Around 10+ cm if left untrimmed.
Can it carpet?
Yes — regular trimming keeps it low and cushion?like.
Does it need CO??
Not required, but good light is preferred.
Is it beginner?friendly?
Yes — slow, steady, and easy to manage.