Can Slender Anubias and Sweet Potato Grow Together?

Slender Anubias and Sweet Potato share a workable water window around 22 to 28 °C, pH 6 to 7.5, and 2 to 15 dGH.

Both plants are comfortable in freshwater, so salinity is not a meaningful obstacle.

Flow is workable if the layout gives Slender Anubias moderate flow and Sweet Potato gentle, low-flow water.

Their light and CO2 needs are close enough for one routine: Slender Anubias does best with low light and no added CO2, while Sweet Potato does best with moderate light and no added CO2.

Both plants naturally lean toward the background and attached to hardscape, which is why spacing, pruning, and final mature size matter more than they do in a more staggered planting mix.

Slender Anubias reaches about 40 cm tall by 30 cm wide, while Sweet Potato reaches about 60 cm tall by 30 cm wide. Use those mature sizes for the layout, not the small nursery portions you bring home.

Shade is worth watching, but it is usually manageable through trimming and a little spatial separation.

Both are typically attached / wedged to hardscape with no substrate required and feed mainly as water column feeders. The method is simple, but it also means the same planting zone can feel crowded if they are placed too close together.

Crowding becomes likely once both plants hit mature size, so this pairing really wants a roomier footprint or a more aggressive trim schedule.

Slender Anubias brings slow growth, low maintenance, and beginner difficulty. Sweet Potato brings fast growth, moderate maintenance, and beginner difficulty. If one grows much faster, trim that plant before it starts making the other look like the problem.

The practical watch-outs are that their nutrient appetites are far enough apart that dosing will need a closer eye; and that both plants tend to work in the background and attached to hardscape, so spacing matters more than usual; and that their mature spread can crowd the same zone quickly unless the layout is oversized from the start; and that the layout needs a little thought so one plant does not slowly dim the other; and that growth pace and maintenance rhythm are uneven, so the stronger grower can dominate if pruning slips.

The strongest reasons to try the mix are that they share a workable temperature window around 22 to 28 °C; and that their flow preferences sit close enough to tune one layout around both plants.

Skip this pairing for most display tanks unless you have a specific reason to experiment. A better long-term choice is a partner plant that shares the same water window and asks for less compromise in light, flow, or maintenance.

The simple success test is whether both plants still look healthy after the faster grower has been trimmed several times. If one keeps declining after routine care, the layout is probably asking too much of it.

Slender Anubias and Sweet Potato are usually better used in separate scapes built around different goals. The practical problem is not that one of them is a bad plant; it is that their long-term maintenance rhythm, spacing, or environmental preferences pull the layout in different directions.