Light
Bright indirect • approx. 10,000–20,000 lux
Araceae
Spathiphyllum 'Sweet Isabella'
Peace Lily
- Quality checked: Every plant is checked for health and quality before shipping.
- Product photos: Unless a size option states that the exact plant is shown, the photos represent the plant you can expect. Natural differences in leaf number, shape, colour and markings are normal.
- Size details: Pot diameter and approximate total height are shown with each size where available. Total height is measured from the base of the nursery pot to the highest leaf or stem.
VAT included · plus
Your plant may need a little time to settle after travelling. Our after-delivery care guide covers unpacking and first-week care. The houseplant acclimatisation guide explains what to expect during the following weeks
- Plant care fundamentals: Understand the main principles behind healthy houseplant care.
- After delivery and first week: Unpacking, initial placement and settling in.
- Light and placement: Assess indoor light and choose a suitable position.
- Watering: Learn when and how to water houseplants.
- Potting mixes and roots: Choose a suitable potting mix and understand drainage.
- Humidity: Learn when additional humidity helps and how to provide it safely.
- Fertilising: Learn how and when to feed houseplants.
- Plant problems: Identify common symptoms and possible causes.
- Pest control: Identify common houseplant pests and suitable responses.
Every order is carefully packed and sent with tracking. If your plant arrives damaged or develops a problem covered by our 28-day guarantee, contact us with photos. Full conditions are available under Guarantee & Returns.
Visit our FAQ or contact customer support for help with orders, delivery or plant care.
Care at a glance
Spathiphyllum 'Sweet Isabella'
Watering
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
Upright clumping herbaceous perennial.
Support
not needed
Growth speed
Average
Max size indoors
Max. height: 80 cm • Max. spread: 80 cm
Toxicity & safety
Toxic
Origin & habitat
Horticultural Spathiphyllum cultivar
Outdoor growing
Outside from 15 °C · sheltered spot
How to read these values
These care values are quick reference points for indoor growing. Use them as a guide, then adjust for pot size, substrate, temperature and how quickly the substrate dries.
For more detail, read the full product description or visit our Plant Care Guides.
- Light: level and approximate lux at leaf level.
- Watering: “% dry” shows how far the substrate should dry before watering again.
- Substrate: structure, drainage, moisture retention, base material and particle size.
- Temperature: “Ideal” shows the preferred range; “Avoid below” marks the cold-stress threshold.
- Humidity: target range; steady conditions usually matter more than exact numbers.
- Growth habit: how the plant grows, such as upright, climbing, trailing, clumping or rosette-forming.
- Support: whether a stake, pole or trellis is needed, optional or unnecessary.
- Growth speed: expected pace under suitable indoor conditions; use as a guide, not a promise.
- Max size indoors: realistic long-term indoor size under good conditions.
- Toxicity & safety: irritation, toxicity or physical hazards such as spines or bristles.
- Origin & habitat: native range, hybrid background or typical habitat where relevant.
- Outdoor growing: when a potted indoor plant can be placed outside and what outdoor protection it needs.
Spathiphyllum ‘Sweet Isabella’ – vigorous peace lily with broad foliage
Spathiphyllum ‘Sweet Isabella’ is a patented cultivar (2020) that stands out among peace lilies for its broad, dark green leaves and strong, upright petioles. Highly vigorous and fast-growing, this variety brings lush presence and reliable performance indoors.
What makes Spathiphyllum ‘Sweet Isabella’ special
Unlike many compact peace lilies, ‘Sweet Isabella’ develops bold, wide leaves on rigid petioles that resist drooping. This structure gives the plant an upright, architectural habit. Growth is fast under good conditions, making it ideal for those who want a plant that fills space with healthy foliage quickly.
Background and taxonomy
The genus name Spathiphyllum is derived from Neo-Latin, combining the Greek words σπάθη (spathē, “sword”) and φύλλον (phyllon, “leaf”), describing the sword-like spathes that enclose the flowers. The commonly cultivated species Spathiphyllum wallisii was named to honour German plant collector Gustav Wallis (1830 – 1878), who introduced hundreds of tropical plants to Europe, including many orchids. ‘Sweet Isabella’ belongs to this horticultural tradition as a modern selection bred for strength and ornamental quality.
How to care for Spathiphyllum ‘Sweet Isabella’
- Light: Thrives in bright, indirect light but tolerates moderate shade. Avoid direct midday sun which can scorch leaves.
- Water: Keep soil evenly moist, allowing the top 2 – 3 cm to dry slightly between waterings. Do not leave in standing water.
- Substrate: Prefers a rich, well-draining potting mix with organic matter to retain moderate moisture.
- Temperature and humidity: Best in 18 – 26 °C with humidity above ~50 %. Tolerates normal indoor humidity but benefits from slightly higher levels.
- Fertilizer: Apply a balanced liquid fertiliser monthly during active growth for strong foliage and flowers.
- Maintenance: Remove spent spathes and yellowing leaves to encourage fresh growth. Repot every 2 – 3 years when root-bound.
Common problems and solutions
- Drooping leaves: Usually from underwatering; recover by watering thoroughly and adjusting schedule.
- Brown tips: Linked to dry air, inconsistent watering, or excess fertiliser. Increase humidity and adjust care.
- Few or no flowers: Often due to insufficient light; move to a brighter indirect spot.
- Yellow leaves: Can be natural aging or sign of overwatering. Check root health and substrate moisture.
Notes for growers
Like other peace lilies, ‘Sweet Isabella’ contains calcium oxalate and should be kept away from pets and children. Its combination of rapid growth, bold foliage, and sturdy petioles makes it especially popular in interior landscaping. While foliage is the main highlight, it also produces the classic white spathes characteristic of peace lilies.
Etymology and naming
The genus name Spathiphyllum comes from Greek spathē (“sword”) and phyllon (“leaf”), referring to the spathes that surround the flowers. The epithet wallisii honours Gustav Wallis, the 19th-century German collector who introduced countless tropical plants to Europe. The cultivar name ‘Sweet Isabella’ reflects its ornamental appeal and is registered under a plant patent from 2020.
Add Spathiphyllum ‘Sweet Isabella’ to your collection
Want a peace lily with vigorous growth and bold, upright foliage? Order Spathiphyllum ‘Sweet Isabella’ today and enjoy this modern, distinctive variety indoors.
Plant names, growth habits, natural habitats and indoor care guidance are checked against trusted botanical, habitat and horticultural references before publication.View our plant care resources and references.
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Spathiphyllum 'Sweet Isabella'
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