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Can Anacharis and Creeping Jenny Grow Together?

Grows Well Together

Yes. Anacharis and Creeping Jenny can grow well together in the right layout. The shared water range is about 10 to 26 °C, pH 6 to 8, and 4 to 15 dGH. Their care needs are close enough for one routine, and the main job is practical placement. They both use the midground and background, so spacing and mature spread matter from the beginning.

Anacharis

Egeria densa

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PlacementMidground
LightModerate
DifficultyBeginner
Size100 × 5 cm

Creeping Jenny

Lysimachia nummularia

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PlacementMidground
LightModerate
DifficultyBeginner
Size40 × 5 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

82/100

Shared setup and layout demands are easy to reconcile.

Water match

Workable overlap

Shared range: 10-26°C, pH 6-8, 4-15 dGH.

Layout pressure

Moderate 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
AnacharisMidground and Background
Creeping JennyMidground and Background

Shared placement: Midground and Background.

Mature size
Anacharis100 cm tall, 5 cm wide
Creeping Jenny40 cm tall, 5 cm wide
Light and CO2
AnacharisModerate light, No added CO2 needed
Creeping JennyModerate light, No added CO2 needed

Light and CO2 expectations are close enough for one routine.

Planting and feeding
AnacharisRooted in substrate, Water column feeder
Creeping JennyRooted in substrate, Water column feeder
Water and flow
AnacharisFreshwater Only, Moderate (Standard)
Creeping JennyFreshwater Only, Moderate (Standard)

Shared water overlap: 10-26°C, pH 6-8, 4-15 dGH.

Care rhythm
AnacharisFast growth, High maintenance
Creeping JennyFast growth, Moderate maintenance
Tank value
AnacharisBreaks lines of sight, Good refuge for fry, Good grazing surface, and Provides surface cover
Creeping JennyBreaks lines of sight and Good refuge for fry

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

Shared Environment

Anacharis and Creeping Jenny share a workable water window around 10 to 26 °C, pH 6 to 8, and 4 to 15 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.

Both fit moderate light and no added CO2, so one lighting and CO2 plan can support the pair.

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.

Anacharis reaches about 100 cm tall by 5 cm wide, while Creeping Jenny reaches about 40 cm tall by 5 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 rooted in substrate with inert substrate is fine 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.

Maintenance Outlook

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

Anacharis brings fast growth, high maintenance, and beginner difficulty. Creeping Jenny 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 both plants tend to work in the midground and background, 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 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 10 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 want two plants that can share one routine without forcing a compromise at every step. It is strongest in tanks where mature spacing is planned before the plants fill in.

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 Anacharis and Creeping Jenny

Can Anacharis and Creeping Jenny grow in the same aquarium?

Yes. Anacharis and Creeping Jenny can grow well together in the right layout. The shared water range is about 10 to 26 °C, pH 6 to 8, and 4 to 15 dGH. Their care needs are close enough for one routine, and the main job is practical placement. They both use the midground and background, so spacing and mature spread matter from the beginning.

What water conditions suit both Anacharis and Creeping Jenny?

The shared water window is about 10 to 26 °C, pH 6 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 Anacharis and Creeping Jenny 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 Anacharis with Creeping Jenny?

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


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