Spathiphyllum 'Sweet Sebastiano' leaf close-up on white background.

Spathiphyllum 'Sweet Sebastiano' potted houseplant in nursery pot on white background, product photo 2.

Spathiphyllum 'Sweet Sebastiano' potted houseplant in nursery pot on white background, product photo 3.

Spathiphyllum 'Sweet Sebastiano' potted houseplant in nursery pot on white background, product photo 4.

Araceae

Spathiphyllum 'Sweet Sebastiano'

Spathiphyllum 'Sweet Sebastiano' is the tall, statuesque member of the Sweet line, often topping a metre with mature foliage. For big interiors and plant corners, it offers a strong vertical line and the familiar white blooms as a soft accent.

Full guide to Spathiphyllum 'Sweet Sebastiano'

€73,25

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Spathiphyllum 'Sweet Sebastiano' at a glance:

Spathiphyllum 'Sweet Sebastiano' is the tall, bold member of the Sweet series, chosen for height, broad foliage, and strong vertical presence rather than just compact convenience. Mature plants can become genuinely imposing indoors, with wide green leaves and white spathes adding a softer accent above the foliage.

It suits brighter rooms and larger floor positions where a peace lily with real scale makes sense, yet it still follows the same straightforward care pattern: bright indirect light, regular watering with drainage, and moderate humidity. If you want a large peace lily that feels like a real anchor plant rather than a tabletop accent, 'Sweet Sebastiano' delivers that scale without becoming difficult.

Spathiphyllum 'Sweet Sebastiano'

Quick Care Guide

Light

Bright indirect • approx. 10,000–20,000 lux

Water

Water when ~20–35% dry

Substrate

Moisture-retentive but aerated • Evenly moist • Organic-leaning • Fine-medium

Temperature

Ideal: 18–24 °C • Avoid below: 12 °C

Humidity

Moist 50–60 %

Growth habit

clumping rosette-form

Support

not needed

Growth speed

Average

Max size indoors

Max. height: 80 cm • Max. spread: 80 cm

Toxicity & safety

Toxic

Origin & habitat

Cultivar of Spathiphyllum

How to read these metrics

These metrics are standardised reference points. We compile them by reviewing and cross-checking multiple botanical and horticultural references, then refining them through real-world growing experience. Source links: Plant Care Resources.

Please use the values as guidance. Conditions vary by home, so the same plant can respond differently. For plant-specific context, read the full product description and browse our Plant Care Guides.

Light: level + approximate lux at leaf level;
Watering: “% dry” is the trigger before watering again; lower % stays more evenly moist.
Potting mix: one-line profile (structure/drainage • moisture buffer • base • particle size).
Temperature: “Ideal” comfort range; “Avoid below” marks higher stress risk.
Humidity: target bands (Normal/Moist/Humid); consistency usually matters most.

Growth habit: growth form (rosette, trailing, climbing) for placement and training.
Support: needed/optional/none — whether stake, pole, or trellis improves structure and size.
Growth speed: fast/average/slow under decent indoor conditions—expectations, not a promise.
Max size indoors: realistic long-term potential; format differs for climbers vs. trailers.
Toxicity & safety: chemical irritants/toxicity and physical hazards (spines, bristles).
Origin & habitat: native region + typical biome/habitat as context.

Spathiphyllum 'Sweet Sebastiano' – Giant Peace Lily for Bold Interiors

If you're after a peace lily that makes a real impression, Spathiphyllum 'Sweet Sebastiano' delivers scale, structure, and simplicity. Developed as part of the 'Sweet' hybrid series, it was bred for upright growth, oversized white spathes, and strong presence – ideal for anyone seeking a large flowering houseplant that’s still easy to manage indoors.

Compared to smaller cultivars like 'Sweet Chico' or the mid-sized 'Sweet Lauretta', 'Sweet Sebastiano' reaches impressive indoor dimensions – often 130 – 160 cm tall in a container, with broad, arching foliage and a strong vertical line. Despite its size, it stays tidy, holds its form well, and doesn't ask for fussy conditions.

What Sets Spathiphyllum 'Sweet Sebastiano' Apart

Significantly taller and broader than most peace lilies
Produces large white spathes with elongated creamy spadices
Glossy, upright leaves with wide midrib spacing and deep green coloration
Architectural growth pattern ideal for modern or minimalist spaces
Compact root system makes it easy to grow in pots despite its scale

This hybrid isn't just about volume – it brings clean form, sculptural lines, and long-lasting foliage. It tolerates lower light while staying visually strong, though better light encourages blooming. Even without flowers, its upright habit and bold leaves make it a standout foliage plant for home or office.

Background and Natural Context

'Sweet Sebastiano' is a cultivated hybrid, with ancestry traced back to Spathiphyllum wallisii, a species native to tropical rainforests of Colombia and Venezuela. In the wild, peace lilies thrive in shaded understories, where constant warmth, high humidity, and evenly moist soils encourage slow, steady growth. These roots explain their resilience indoors and tolerance for less-than-ideal light conditions.

Caring for Spathiphyllum 'Sweet Sebastiano' – Practical Tips

Light: Bright, indirect light supports blooming. Tolerates shade, but flowers less. Avoid harsh midday sun.
Watering: Water when the top 2 – 3 cm of soil feels dry. Avoid letting the root zone dry out completely.
Humidity: Enjoys humidity but tolerates standard indoor air. Higher humidity helps prevent brown tips.
Temperature: Keep between 18 – 24 °C. Avoid cold drafts or drops below 15 °C.
Substrate: Use a well-draining potting mix rich in organic matter. Peat, coir, and perlite work well.
Feeding: Apply a balanced liquid fertiliser every 8 – 12 weeks. Avoid overfeeding – it can cause leaf burn.
Repotting: Repot annually or when roots circle the pot. Choose a slightly wider, stable container.
Maintenance: Trim spent flowers and yellow leaves at the base to keep the plant clean and healthy.

Good to Know Before Bringing One Home

Peace lilies have a reputation for being beginner-friendly – and 'Sweet Sebastiano' lives up to it, with one caveat: its size means water stress shows more clearly. If the soil dries too much, you’ll see dramatic droop. But this plant recovers fast once watered. Conversely, soggy soil can lead to root problems, so drainage is key.

Over time, mature plants may produce multiple flushes of blooms per year in good light. It's a slow but long-lived grower that remains structurally tidy. No special equipment or high-tech setups required – just steady, basic care.

Etymology and Cultivar Naming

The genus name Spathiphyllum comes from the Greek words spáthe (blade or spathe) and phyllon (leaf), referring to the white spathe that wraps the flower spike. The cultivar name ‘Sweet Sebastiano’ is a trade name within the 'Sweet' hybrid series and has no formal taxonomic meaning.

Why Spathiphyllum 'Sweet Sebastiano' Belongs in Bold Interiors

This is not just another peace lily. With its upright habit, massive foliage, and potential for creamy blooms in the right light, 'Sweet Sebastiano' is built for larger rooms, modern interiors, and plant lovers who want presence without complexity. If you're ready for a houseplant that takes up space in the best way – this one delivers.