Back to Baby Tears coexistence guides

Can Baby Tears and Scarlet Temple Grow Together?

Works with Planning

They can grow together, but it is not a plant-and-forget pairing. The shared water range is about 20 to 28 °C, pH 6 to 7.5, and 2 to 12 dGH. Plan the spacing, trimming rhythm, and shade control before planting so one species does not slowly crowd the other.

Baby Tears

Lindernia rotundifolia

View plant profile
PlacementMidground
LightModerate
DifficultyBeginner
Size30 × 15 cm

Scarlet Temple

Alternanthera reineckii

View plant profile
PlacementMidground
LightHigh
DifficultyIntermediate
Size45 × 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

74/100

Viable, but only with more deliberate layout choices.

Water match

Workable overlap

Shared range: 20-28°C, pH 6-7.5, 2-12 dGH.

Layout pressure

Low crowding

Both use Midground and Background, so leave room before they mature.

Main watch-out

Caution

Both plants tend to work in the midground and background, 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
Baby TearsMidground and Background
Scarlet TempleMidground and Background

Shared placement: Midground and Background.

Mature size
Baby Tears30 cm tall, 15 cm wide
Scarlet Temple45 cm tall, 15 cm wide
Light and CO2
Baby TearsModerate light, Added CO2 helps
Scarlet TempleHigh light, Added CO2 recommended

Light and CO2 expectations are close enough for one routine.

Planting and feeding
Baby TearsRooted in substrate, Mixed feeder
Scarlet TempleRooted in substrate, Mixed feeder
Water and flow
Baby TearsFreshwater Only, Moderate (Standard)
Scarlet TempleFreshwater Only, Moderate (Standard)

Shared water overlap: 20-28°C, pH 6-7.5, 2-12 dGH.

Care rhythm
Baby TearsFast growth, Moderate maintenance
Scarlet TempleModerate growth, Moderate maintenance
Tank value
Baby TearsBreaks lines of sight, Good refuge for shrimp, and Good refuge for fry
Scarlet TempleBreaks lines of sight, Good refuge for fry, and Good refuge for shrimp

Shared benefit: Breaks lines of sight, Good refuge for shrimp, and Good refuge for fry.

Shared Environment

Baby Tears and Scarlet Temple share a workable water window around 20 to 28 °C, pH 6 to 7.5, and 2 to 12 dGH.

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

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

Their light and CO2 needs are close enough for one routine: Baby Tears does best with moderate light and optional added CO2, while Scarlet Temple does best with high light and recommended added CO2.

Layout and Spacing

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

Baby Tears reaches about 30 cm tall by 15 cm wide, while Scarlet Temple reaches about 45 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.

Baby Tears is typically rooted in substrate with inert substrate is fine and feeds mainly as a mixed feeder. Scarlet Temple is typically rooted in substrate with nutrient-rich substrate preferred and feeds mainly as a mixed feeder. That difference can make the pairing easier to arrange than two plants fighting for the exact same root or attachment zone.

Maintenance Outlook

Mature size is not the main thing working against this pairing, so normal maintenance is usually enough to keep the scape readable.

Baby Tears brings fast growth, moderate maintenance, and beginner difficulty. Scarlet Temple brings moderate growth, moderate 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 and background, so spacing matters more than usual; and that the layout needs a little thought so one plant does not slowly dim the other.

The strongest reasons to try the mix are that they share a workable temperature window around 20 to 28 °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.

Frequently Asked Questions About Baby Tears and Scarlet Temple

Can Baby Tears and Scarlet Temple grow in the same aquarium?

They can grow together, but it is not a plant-and-forget pairing. The shared water range is about 20 to 28 °C, pH 6 to 7.5, and 2 to 12 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 Baby Tears and Scarlet Temple?

The shared water window is about 20 to 28 °C, pH 6 to 7.5, and 2 to 12 dGH. Keep the tank in the middle of that overlap instead of chasing the outer edge of either plant's tolerance.

Will Baby Tears and Scarlet Temple compete for the same space?

Yes, at least partly. Both plants are often used midground and background, 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 Baby Tears with Scarlet Temple?

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


Related Coexistence Guides