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PlantFiles: Blushing Philodendron, Red-leaf Philodendron
Philodendron 'Imperial Red'

Family: Araceae (a-RAY-see-ee) (Info)
Genus: Philodendron (fil-oh-DEN-dron) (Info)
Cultivar: Imperial Red
Additional cultivar information: (PP6337)
Hybridized by Decoster; Year of Registration or Introduction: 1986

2 members have or want this plant for trade.

Tropicals and Tender Perennials

24-36 in. (60-90 cm)

24-36 in. (60-90 cm)

USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)

Sun Exposure:
Light Shade

All parts of plant are poisonous if ingested
Handling plant may cause skin irritation or allergic reaction

Bloom Color:
Scarlet (Dark Red)
Maroon (Purple-Brown)
White/Near White

Bloom Time:
Mid Summer

Grown for foliage

Other details:
This plant is suitable for growing indoors
Average Water Needs; Water regularly; do not overwater
Suitable for growing in containers

Soil pH requirements:
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information:
Patent expired

Propagation Methods:
From leaf cuttings
From softwood cuttings
From seed; direct sow after last frost
By air layering

Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

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1 positive
2 neutrals
No negatives

Gardeners' Notes:

Neutral Joan On May 2, 2009, Joan from Belfield, ND (Zone 4a) wrote:

Editor's Note

Plant Patent number 6337 has expired
Neutral Monocromatico On Jun 6, 2004, Monocromatico from Rio de Janeiro
Brazil (Zone 11) wrote:

The usual P. erubescens grow wild here, but only in the cool forests on the hills and mountains. It is found under high humid and lightened conditions, but avoids the usual higher temperatures we get in this region. Maybe thatīs why itīs so rare to find this plant in cultivation, at least, a healthy one.

Positive IslandJim On Oct 4, 2003, IslandJim from Keizer, OR (Zone 8b) wrote:

This is a nice addition to a subtropical landscape. The color is quite variable from one plant to another, however, lending some credence to the notion that it's a hybrid and not a true species.


This plant has been said to grow in the following regions:

Miami, Florida
Sebring, Florida
Venice, Florida
West Palm Beach, Florida
Gonzales, Louisiana
Austin, Texas
Plano, Texas

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