Philodendron 'Imperial Red'
philodendron 'Imperial Red'
An upright plant up to around 1.2m tall with large, leathery leaves that emerge bright red before darkening with age to deep purple and dark, glossy green
Size
Ultimate height
1–1.5 metresTime to ultimate height
2–5 yearsUltimate spread
0.5–1 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Red Purple Green | |||
|---|---|---|---|---|
| Summer | Red Purple Green | |||
| Autumn | Red Purple Green | |||
| Winter | Red Purple Green |
Position
- Partial shade
Aspect
South–facing or East–facing or West–facing
Exposure
Sheltered Hardiness
H1ABotanical details
- Family
- Araceae
- Native to GB / Ireland
- No
- Foliage
- Evergreen
- Habit
- Columnar upright
- Potentially harmful
- Harmful if eaten, skin/eye irritant/allergen. Wear gloves and other protective equipment when handling Pets: Harmful if eaten, skin/eye irritant/allergen - For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
- Genus
Philodendron can be shrubs, trees or climbers, with glossy, leathery, evergreen, simple to pinnately divided leaves, and tiny flowers borne within arum-like white, green or reddish spathes
- Name status
Accepted
How to grow
Cultivation
Grow under glass in humus-rich, well-drained compost and in bright but filtered light . Maintain a minimum winter temperature of 15⁰C and water moderately, less in low temperatures. See Philodendron and houseplant cultivation for further advice
Propagation
Propagate by air layering
Suggested planting locations and garden types
- Patio and container plants
Pruning
No pruning required
Pests
May be susceptible to scale insects and glasshouse red spider mite
Diseases
Generally disease-free
Get involved
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.