Plant comparison
Blyxa Japonica vs Cryptocoryne Wendtii
How the Blyxa Japonica and Cryptocoryne Wendtii compare on care, size, water and temperament, and which plant suits your tank.
By Mike ElmiraUpdated
TL;DR, Blyxa Japonica vs Cryptocoryne Wendtii
The Blyxa Japonica and the Cryptocoryne Wendtii come up together a lot when people are choosing a plant, and they are close enough to weigh side by side. Both are happy somewhere around 22 to 28 °C and pH 6 to 7, so a single tank can suit either one. The Cryptocoryne Wendtii is the more forgiving of the two, which matters if this is an early tank, while the Blyxa Japonica rewards a bit more attention. In a low-tech, low-light setup the Cryptocoryne Wendtii is the safer bet; the other really wants brighter light to look its best.
Group compatibility overview
Excellent fit
Every key parameter overlaps and no major conflicts surfaced.
Temperature
- Blyxa Japonica20–28 °C
- Cryptocoryne Wendtii22–28 °C
pH
- Blyxa Japonica5.5–7
- Cryptocoryne Wendtii6–8
Hardness
- Blyxa Japonica1–10 dGH
- Cryptocoryne Wendtii2–15 dGH
Full attributes
Every parameter, side by side| Parameter | ![]() PlantBlyxa JaponicaBlyxa japonica | ![]() PlantCryptocoryne WendtiiCryptocoryne wendtii |
|---|---|---|
| Category | Plant | Plant |
| Origin | East and Southeast Asia | Sri Lanka |
| Family | Hydrocharitaceae | Araceae |
| Temperature | 20–28 °C | 22–28 °C |
| pH | 5.5–7.0 | 6.0–8.0 |
| Hardness (dGH) | 1–10 | 2–15 |
| Flow rate | Low to Medium | Low to Medium |
| Max height | 10–25 cm | 15–25 cm |
| Difficulty | 3 / 5 | 2 / 5 |
| Light | Medium to High | Low to Medium |
| CO₂ | Recommended | None to Optional |
| Growth rate | Medium | Slow to Medium |
Frequently asked questions
Direct answers to the questions search engines and AI assistants surface most often about this species.
Can you keep Blyxa Japonica and Cryptocoryne Wendtii together?
Yes. Their temperature and pH ranges overlap around 22 to 28 °C and pH 6 to 7, so one set of water conditions keeps both comfortable. Match group sizes and cover the usual planted-tank basics and they share a tank fine.
Which is easier to keep, the Blyxa Japonica or the Cryptocoryne Wendtii?
The Cryptocoryne Wendtii is the easier of the two, closer to beginner-friendly, while the Blyxa Japonica leans middle-of-the-road.
Do Blyxa Japonica and Cryptocoryne Wendtii need the same water?
Close to it. Aim for 22 to 28 °C and pH 6 to 7 and you're in the shared sweet spot for both. Full ranges are in the table above.
What's the main difference between the Blyxa Japonica and the Cryptocoryne Wendtii?
Placement and light. The Blyxa Japonica works as midground, the Cryptocoryne Wendtii as midground, and their light needs differ, which is covered in the table.


