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Full Specimen Plate

Philodendron 'Belle Isle'

Belle Isle Philodendron

Very High
LightBright indirect light
Medium-High
HumidityHigh humidity (65-80%)
Warm
Temperature18-28°C
Large
SizeMedium to Large climber (1-2m with support)
Medium
Growth RateModerate
Moderate
DifficultyRewards a consistent watering and light routine, but tolerates the occasional lapse. Suited to growers with some houseplant experience.
Cultivar£££ · RareLowHorticultural cultivar; tropical aroid ancestry, parentage undocumented
£260· 7cm plant

Aroid Atlas Price Guide

Select Plant Size

£260Base
· 7cm Plant?Estimate

Pricing Data Key

High/Good Confidence: 15+ recent online sales. Highly reliable market guide.
!
Moderate Confidence: 5-14 recent sales. Good general guide, but prices may vary.
?
Limited Data: Under 5 sales. Relying on shop stock listings and estimates.

Community price estimate based on limited sales history

ℹ️ Baseline Index ValueThe baseline index value represents the current market rate for an established 7cm whole pot specimen. Prices for other sizes, nodes, rooted cuttings, or mother plants are calculated proportionally from this base index guide.
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Market Analysis

Philodendron 'Belle Isle' Price Guide & Auction Value

Historical eBay auction metrics and live retailer listings updated weekly.

No eBay auction history available yet. Data is collected automatically as sales appear on eBay UK.

Before You Buy

Species-specific things to check when evaluating a listing

  • Check that roots are firm and white to tan — avoid plants with black, slimy, or absent roots
  • Inspect leaf undersides for thrips (tiny dark specks or silvery streaking) and mealybugs (white cottony deposits at leaf axils)
  • Verify the plant has at least 2–3 healthy leaves and shows signs of active growth
  • For listings showing only one photo, request images of the roots, underside of leaves, and any new growth before purchasing

Philodendron 'Belle Isle' Morphology

leaf ShapeTrilobedDivided into three distinct lobes or sections. with very elongated central lobe and short broad lateral lobes (bat-wing silhouette)
leaf Length30-60 cm (central lobe)
leaf Width25-50 cm (across lateral lobes)
petiole ColorGreen, medium length
venationProminent midrib per lobe with pinnateVeins or lobes arranged like a feather, branching out symmetrically on both sides of a single main central vein. lateral veins
textureGlossy, semi-coriaceous
variegationNone
growth HabitClimbing, attaches via aerial roots

About Philodendron 'Belle Isle'

Philodendron 'Belle Isle' is a cultivated horticultural Philodendron of undocumented parentage, grown for its unusual leaf silhouette. The defining feature is an elongated, strap-like central lobe paired with comparatively short, broad upper lateral lobes — a combination that produces the bat-wing shaped outline that identifies the cultivar. Leaves are a glossy dark green with slightly undulate margins, carried on a climbing stem that anchors itself via aerial roots along whatever support is provided. The precise parentage remains unpublished, but its tropical aroid ancestry is evident in its warm, humid cultivation requirements. Among cultivated Philodendrons with unusual leaf forms, 'Belle Isle' is notable for its architectural departure from conventional foliage shapes.

Propagation Guide

How to Propagate Philodendron 'Belle Isle'

Difficulty
Moderate
Time to Establish

4-8 months

Single-node cuttings root readily in moist sphagnum or water. Maintain 70%+ humidity and bottom warmth for best results.

Care Guide

Philodendron 'Belle Isle' Care Guide & Growing Conditions

Substrate

High-porosity mix: 50% perlite, 30% orchid bark, 20% coco coir. Good aeration is essential — philodendrons are prone to root rot in dense substrates.

Watering

Water thoroughly when the top 3–4 cm of substrate is dry. Ensure free drainage and never allow to sit in water. Reduce frequency in winter.

Humidity

60–80% preferred. UK tap water can cause brown tips — use rainwater or filtered water where possible.

Fertilising

Balanced liquid fertiliser (e.g. 20-20-20) at quarter strength every two weeks in spring and summer. Monthly at most in winter.

Repotting

Every 12–18 months or when roots circle the base of the pot. Move up one pot size only — oversized pots increase rot risk.

Common Problems

Problem

Brown leaf tips

Cause

Low humidity or fluoride/chlorine in tap water

Fix

Increase ambient humidity and switch to rainwater or filtered water

Problem

Yellow leaves

Cause

Overwatering or compacted substrate

Fix

Allow substrate to dry further between waterings; check root health and repot if necessary

Problem

Leggy growth with small leaves

Cause

Insufficient light

Fix

Move to a brighter position with more indirect light

Field Notes · Vol. 11 August 2023

Undocumented Parentage, Decent Results

Philodendron 'Belle Isle' is a horticultural cultivar of undocumented parentage — the provenance that most collector cultivars share with varying degrees of honest acknowledgement. Produces large, deeply lobed leaves of the sort one associates with the larger tropical Philodendron cultivars. Upper middle tier pricing. The name 'Belle Isle' adds nothing taxonomically but sounds pleasantly like a French Caribbean island, which is an entirely appropriate register for a tropical cultivar with murky origins. A solid plant at the price.

Written at AroidAtlas research station— Aroid Atlas
Retail Price?The average price across tracked UK retailers (nurseries and specialty stores).
Not tracked
Not currently stocked by tracked UK retailers

How prices are calculated: The AA Price uses online sold listings converted to GBP at current exchange rates, excluding extreme outliers to ensure a fair-value guide. Falls back to UK retail average when auction data is unavailable.

Also in: Climbing Hemiepiphytes

Species that climb via aerial roots and attach to a support as they grow — leaf size and shape mature with height.