Back to Congo Anubias coexistence guides

Can Congo Anubias and Water Rose Grow Together?

Reviewed by Guidarium Editorial DeskUpdated April 22, 2026
Works with Planning

They can grow together, but it is not a plant-and-forget pairing. The shared water range is about 22 to 26 °C, pH 6.5 to 8, and 4 to 15 dGH. Plan the spacing, trimming rhythm, and shade control before planting so one species does not slowly crowd the other.

Congo Anubias

Anubias heterophylla

View plant profile
PlacementMidground
LightLow
DifficultyBeginner
Size50 × 30 cm

Water Rose

Samolus valerandi

View plant profile
PlacementForeground
LightModerate
DifficultyIntermediate
Size15 × 15 cm

Quick Decision

Use this first pass to decide whether the pairing deserves a real place in the tank plan before you get into the full care details.

Overall fit

66/100

Viable, but only with more deliberate layout choices.

Water match

Workable overlap

Shared range: 22-26°C, pH 6.5-8, 4-15 dGH.

Layout pressure

Moderate crowding

Both use Midground, so leave room before they mature.

Main watch-out

Caution

Both plants tend to work in the midground, so spacing matters more than usual.

Side-by-Side Planting Notes

The best coexistence pairings are not just plants with similar water ranges. They also need compatible mature size, feeding style, shade, and maintenance rhythm.

Placement
Congo AnubiasMidground, Background, and Attached to hardscape
Water RoseForeground and Midground

Shared placement: Midground.

Mature size
Congo Anubias50 cm tall, 30 cm wide
Water Rose15 cm tall, 15 cm wide
Light and CO2
Congo AnubiasLow light, No added CO2 needed
Water RoseModerate light, Added CO2 helps

Light and CO2 expectations are close enough for one routine.

Planting and feeding
Congo AnubiasRoots anchored, rhizome exposed, Water column feeder
Water RoseRooted in substrate, Root feeder
Water and flow
Congo AnubiasFreshwater Only, Moderate (Standard)
Water RoseBrackish Tolerant, Moderate (Standard)

Shared water overlap: 22-26°C, pH 6.5-8, 4-15 dGH.

Care rhythm
Congo AnubiasSlow growth, Low maintenance
Water RoseSlow growth, Low maintenance
Tank value
Congo AnubiasBreaks lines of sight, Good refuge for shrimp, Good grazing surface, and Useful spawning site
Water RoseGood grazing surface

Shared benefit: Good grazing surface.

Shared Environment

Congo Anubias and Water Rose share a workable water window around 22 to 26 °C, pH 6.5 to 8, and 4 to 15 dGH.

Congo Anubias is listed for freshwater, while Water Rose is listed for freshwater to lightly brackish water. Keep the tank in the shared part of those tolerances rather than pushing either plant to an edge.

Both prefer moderate flow, so circulation can be planned as one steady pattern.

Their light and CO2 needs are close enough for one routine: Congo Anubias does best with low light and no added CO2, while Water Rose does best with moderate light and optional added CO2.

Layout and Spacing

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

Congo Anubias reaches about 50 cm tall by 30 cm wide, while Water Rose reaches about 15 cm tall by 15 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.

Congo Anubias is typically roots anchored, rhizome exposed with no substrate required and feeds mainly as a water column feeder. Water Rose is typically rooted in substrate with nutrient-rich substrate preferred and feeds mainly as a root feeder. That difference can make the pairing easier to arrange than two plants fighting for the exact same root or attachment zone.

Maintenance Outlook

They can share the space, but the scape will stay cleaner if you leave more room than the labels alone might suggest.

Congo Anubias brings slow growth, low maintenance, and beginner difficulty. Water Rose brings slow growth, low maintenance, and intermediate 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 both plants tend to work in the midground, so spacing matters more than usual; and that you will want to leave more room than usual for mature spread and routine thinning; and that the layout needs a little thought so one plant does not slowly dim the other; and that their substrate preferences are different enough that rooted nutrition should be planned deliberately.

The strongest reasons to try the mix are that they share a workable temperature window around 22 to 26 °C; and that their flow preferences sit close enough to tune one layout around both plants.

Practical Recommendation

Use this pairing when you are willing to manage the scape, not when you want a plant-and-forget combination. Start with more spacing than you think you need, then adjust once both plants show their real growth pace.

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.

Best Use Case

This pairing is best treated as a layout decision, not just a water-parameter match. Congo Anubias and Water Rose can work together, but only when you intentionally manage spacing, shade, and maintenance so the stronger grower does not quietly turn the other into dead weight.

Frequently Asked Questions About Congo Anubias and Water Rose

Can Congo Anubias and Water Rose grow in the same aquarium?

They can grow together, but it is not a plant-and-forget pairing. The shared water range is about 22 to 26 °C, pH 6.5 to 8, and 4 to 15 dGH. Plan the spacing, trimming rhythm, and shade control before planting so one species does not slowly crowd the other.

What water conditions suit both Congo Anubias and Water Rose?

The shared water window is about 22 to 26 °C, pH 6.5 to 8, and 4 to 15 dGH. Keep the tank in the middle of that overlap instead of chasing the outer edge of either plant's tolerance.

Will Congo Anubias and Water Rose compete for the same space?

Yes, at least partly. Both plants are often used midground, so mature size, pruning rhythm, and shade control matter. Start them with visible separation instead of letting them meet on planting day.

Is light or CO2 the bigger challenge with this pairing?

Neither light nor CO2 is a major divider here compared with most mixed-plant pairings.

What is the main risk when keeping Congo Anubias with Water Rose?

Both plants tend to work in the midground, so spacing matters more than usual.

Editorial Review

Guidarium Editorial Desk

Reviewed against Guidarium care, stocking, and compatibility standards. Read the editorial policy.

Last reviewed
April 22, 2026
Last updated
April 22, 2026
Issues or corrections?
Contact the editorial team

Related Coexistence Guides