Pearl Weed (Hemianthus Glomeratum) | Complete Aquarium Plant Care Guide - Aquarium Plant Index

???? Aquarium Plant Index – Pearl Weed (Hemianthus glomeratum) Explained ????

Welcome back to Aquarium Plant Index, where we take a deep dive into a single aquatic plant to help you get the very best from your aquascape.

In this episode, we’re spotlighting Hemianthus glomeratum, more commonly known as Pearl Weed (and previously classified as Hemianthus micranthemoides). This classic and incredibly versatile stem plant has earned its place as a favourite in the aquascaping world – and for good reason.

Native to the eastern United States, Pearl Weed thrives in shallow, slow-moving waters and adapts beautifully to aquarium life. Its fine leaves, fast growth, and vibrant green colour make it suitable for foreground carpets, midground fillers, or even delicate background stems, depending on how it’s grown.

In this video, we cover:

???? Pearl Weed’s natural habitat and growth behaviour

???? How lighting intensity affects its form and density

???? CO₂ vs low-tech setups – what to expect from each

✂️ Planting and trimming techniques for carpets and bushes

???? Fertilisation tips to keep it healthy and vibrant

✨ How to achieve compact growth and that iconic pearling effect

Whether you’re a beginner experimenting with your first carpet or an experienced aquascaper refining a high-energy layout, Pearl Weed is a flexible, rewarding plant with huge potential in almost any style of aquascape – including Nature and Dutch layouts.

???? If you enjoyed this episode, please like the video, subscribe to the channel, and let us know in the comments which plant you’d like to see featured next.

Thanks for watching, and we’ll see you in the next episode of Aquarium Plant Index ????