Description
Alisma parviflorum, the Small Water Plantain, is a refined marginal plant that brings height, movement, and elegance to shallow pond edges. Its fresh green, lance‑shaped leaves rise from the water, followed by delicate branching stems carrying tiny pale flowers through summer. Perfect for wildlife ponds, naturalistic planting schemes, and adding vertical interest without overwhelming the space. Hardy, reliable, and excellent for softening pond margins.
🌟 Key Features
- Elegant vertical form — adds height and structure to shallow water
- Airy flower stems — delicate pale blooms that move beautifully in the breeze
- Wildlife‑friendly — provides shelter for aquatic insects and emerging amphibians
- Ideal for naturalistic ponds — soft, architectural foliage
- Hardy and dependable — thrives in UK conditions
📐 Technical Details
- Height: 40–60 cm
- Spread: 20–30 cm
- Planting Depth: 0–10 cm of water above the crown
- Growth Habit: Upright, clump‑forming
- Position: Full sun to partial shade
- Flowering Period: June–August
- Hardiness: Fully hardy (UK)
🌱 Planting & Care
Plant Alisma parviflorum in shallow water or at the pond edge where the crown sits just below the surface. It prefers still or slow‑moving water and benefits from nutrient‑rich aquatic soil. Remove old foliage in autumn and allow new growth to emerge in spring. Ideal for wildlife ponds, natural edges, and soft architectural planting.
🌿 Unique Companion Plant Suggestions
- Iris pseudacorus ‘Variegata’ — striking variegated foliage adds height and contrast.
- Mentha aquatica (Water Mint) — aromatic foliage and mauve flowers complement Alisma’s airy stems.
- Caltha palustris ‘Flore Pleno’ — double yellow blooms provide early‑season colour.
- Scirpus cernuus (Fiber Optic Plant) — fine, grassy texture contrasts with Alisma’s broad leaves.
- Pontederia cordata ‘Alba’ — white flower spikes echo the delicate tones of Alisma’s blooms.
❓ Frequently Asked Questions
Q: How deep should I plant Alisma parviflorum
A: It grows best with 0–10 cm of water above the crown.
Q: Is it suitable for wildlife ponds
A: Yes — it provides shelter and structure for insects, amphibians, and emerging dragonflies.
Q: Does it spread aggressively
A: No — it forms neat clumps and is easy to manage.
Q: Will it grow in shade
A: It tolerates partial shade but flowers best in full sun.
📦 What You Receive
A strong, nursery‑grown Alisma parviflorum supplied in a quality aquatic pot, ready for planting in shallow water or at the pond edge. Plants are securely packaged to arrive in excellent condition.
🚚 Delivery & Returns
Fast, reliable delivery with plants packed for freshness and protection. Returns accepted if your plant arrives damaged or fails to establish.
💬 Need Help?
If you’d like help pairing Alisma parviflorum with other marginals or building a full planting scheme, we’re here to help.



