Persicaria (Polygonum) Stem Plant (Persicaria species) is an intermediate-level aquarium plant. A hardy stem plant with narrow pointed leaves that can turn red-brown under strong light. It grows steadily, roots well, and tolerates a wide range of conditions if it gets light and nutrients.
Care facts at a glance
| Scientific name | Persicaria species |
|---|---|
| Family | Polygonaceae |
| Origin | Asia and tropical regions |
| Height | 8-20 in |
| Light | Medium to high |
| CO2 | Helpful |
| Placement | Midground to background, stem plant |
| Growth rate | Moderate to fast |
| Temperature | 68-82°F |
| pH | 6.0-7.5 |
| Difficulty | Intermediate |
| Propagation | Cuttings |
Quick tips
- Trim and replant the tops to keep it bushy.
- Stronger light brings out red tones.
- Give it root tabs or a rich substrate.
San Diego water
Captive-bred stock usually adapts to San Diego tap water with slow acclimation. For best color and health, many keepers blend tap with RO/DI water. Learn the numbers in our San Diego tap water guide.
New to planted tanks? Start with our beginner planted tank guide and the plant fertilizer guide.
Find it at Pet Zone
Pet Zone Tropical Fish is a San Diego aquarium store with two locations. Stock changes daily, so call ahead if you are after a specific species or plant. Shop online at petzonesd.com.
4160 Convoy St, San Diego, CA 92111
(858) 987-0309
Open daily, 10am-6pm
Aquascaping, planted tanks
4266 University Ave, San Diego, CA 92105
(619) 283-1812
Closed Monday; Tue-Fri 10:30am-6pm, Sat 11am-6pm, Sun 11am-4pm
Monster fish, koi