🌿 Zantedeschia aethiopica ‘Crowborough’ (Arum Lily)
Elegant, architectural, and reliable — a standout marginal for ponds and damp borders.
🛒 Product Overview
Zantedeschia aethiopica ‘Crowborough’ is the hardiest and most garden‑worthy form of the classic Arum Lily. With its large white spathes, glossy green foliage and long flowering season, it brings height, structure and a clean architectural presence to pond margins, bog gardens and damp borders.
✨ Key Features
- Large, pure‑white flowers from late spring into summer
- Architectural foliage providing height and structure
- Hardy cultivar suitable for UK climates
- Thrives in pond margins, bog gardens, damp borders
- Excellent for modern, naturalistic and formal schemes
- Wildlife‑friendly — provides shelter for amphibians and beneficial insects
📏 Size & Growth
- Height: 60–90cm
- Spread: 45–60cm
- Growth rate: Moderate to fast
- Habit: Upright, clump‑forming
🌞 Position & Conditions
- Sun: Full sun to partial shade
- Soil: Moist, rich, humus‑based soil
- Water depth: 0–10cm above crown
- Hardiness: Fully hardy once established
🪴 Planting & Care
- Plant on the marginal shelf or in damp soil at pond edge
- Use nutrient‑rich aquatic soil for best performance
- Mulch lightly with fine gravel to stabilise the crown
- Remove spent flowers to encourage continuous blooming
- Protect young shoots from late frosts in exposed sites
🌼 COMPANION PLANTING
These companions are selected to complement the Arum Lily’s bold structure with contrasting textures, colours and seasonal interest.
Marginals & Bog Plants
- Caltha palustris ‘Flore Pleno’ – double yellow flowers, early season impact
- Darmera peltata – huge umbrella leaves, dramatic foliage contrast
- Astilboides tabularis – architectural round leaves, shade‑tolerant
- Primula japonica ‘Miller’s Crimson’ – tiered crimson flowers for colour lift
Oxygenators
- Ceratophyllum demersum (Hornwort) – submerged oxygenator, no soil needed
- Potamogeton crispus – hardy, textured underwater foliage
Floating Plants
- Hydrocharis morsus‑ranae (Frogbit) – small floating rosettes, seasonal interest
- Phyllanthus fluitans (Red Root Floater) – warm‑season colour contrast
❓ FAQ
Is this the hardy Arum Lily?
Yes — ‘Crowborough’ is the hardiest and most reliable form for UK gardens.
Can it be planted directly in the pond?
Yes, on the marginal shelf with 0–10cm of water above the crown.
Does it spread?
It forms a steady clump but is not invasive.



