North America Non-native Plant

Philodendron

Botanical name: Philodendron speciosum

USDA symbol: PHSP6

Native status: Not native but doesn't reproduce and persist in the wild

Growing Philodendron speciosum: The Spectacular Climbing Houseplant If you’re looking for a houseplant that makes a bold statement without being too fussy, Philodendron speciosum might just be your new green companion. This South American native has earned its place in homes and conservatories around the world thanks to its impressive ...

Growing Philodendron speciosum: The Spectacular Climbing Houseplant

If you’re looking for a houseplant that makes a bold statement without being too fussy, Philodendron speciosum might just be your new green companion. This South American native has earned its place in homes and conservatories around the world thanks to its impressive foliage and relatively easygoing nature.

What Makes This Philodendron Special?

Philodendron speciosum stands out from the crowd with its spectacular leaves – hence the speciosum part of its name, which literally means showy or spectacular. The glossy, heart-shaped leaves can grow an impressive 12 to 18 inches long, creating a lush, tropical feeling wherever you place it. As a climbing variety, it naturally wants to reach upward, making it perfect for adding vertical interest to your indoor jungle.

Where Does It Come From?

This philodendron calls the tropical regions of South America home, particularly Brazil and surrounding areas. In its native habitat, it climbs up trees in the rainforest, using aerial roots to attach itself to bark and reach toward filtered sunlight through the canopy.

Why Gardeners Love (or Don’t Love) This Plant

There are plenty of reasons to fall for Philodendron speciosum:

  • Those show-stopping large leaves create instant tropical vibes
  • It’s relatively low-maintenance compared to many other tropical houseplants
  • The climbing habit adds vertical dimension to your plant collection
  • It adapts well to indoor conditions

However, it’s not perfect for every situation:

  • It needs space to climb and spread – not ideal for tiny apartments
  • Like most philodendrons, it’s toxic to pets and children if ingested
  • It requires consistent humidity, which can be challenging in dry climates

Perfect Spots for Your Philodendron speciosum

This plant shines as an indoor specimen, particularly in:

  • Living rooms with bright, indirect light
  • Conservatories or sunrooms
  • Bathroom settings where humidity is naturally higher
  • Office spaces that need a touch of green

In USDA hardiness zones 10-12, you can grow it outdoors year-round as part of a tropical landscape design. In cooler areas, it makes an excellent container plant that can vacation on the patio during warm months.

Growing Conditions That Make It Happy

Philodendron speciosum isn’t too demanding, but it does have preferences:

  • Light: Bright, indirect light – think of the dappled sunlight it would receive under rainforest trees
  • Temperature: Comfortable room temperatures between 65-80°F
  • Humidity: Higher humidity levels (50-60%) – use a humidifier or pebble tray if your home is dry
  • Soil: Well-draining potting mix that retains some moisture but doesn’t get soggy

Planting and Care Tips

Getting started with Philodendron speciosum is straightforward:

  • Watering: Water when the top inch of soil feels dry – usually every 1-2 weeks
  • Support: Provide a moss pole or trellis for climbing – your plant will thank you with larger leaves
  • Fertilizing: Feed monthly during spring and summer with a balanced liquid fertilizer
  • Pruning: Trim any yellowing leaves and pinch growing tips to encourage bushier growth
  • Repotting: Move to a larger pot every 2-3 years or when roots start escaping drainage holes

Wildlife and Pollinator Benefits

As an indoor houseplant, Philodendron speciosum offers minimal benefits to pollinators since it rarely flowers in cultivation. However, it does contribute to indoor air quality and creates a lush environment that many people find mentally refreshing.

For gardeners interested in supporting local wildlife, consider incorporating native alternatives alongside your philodendron. Research native climbing vines or large-leafed plants from your region that could provide similar aesthetic appeal while supporting local ecosystems.

The Bottom Line

Philodendron speciosum makes a fantastic addition to any plant lover’s collection, especially if you have the space to let it climb and show off those magnificent leaves. While it’s not native to North America, it’s a well-behaved houseplant that won’t cause problems when grown responsibly indoors. Just remember to give it room to grow, keep it away from curious pets, and enjoy the tropical paradise it creates in your home.

Philodendron

Classification

Group

Monocot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Liliopsida - Monocotyledons

Subclass

Arecidae

Order

Arales

Family

Araceae Juss. - Arum family

Genus

Philodendron Schott - philodendron

Species

Philodendron speciosum Schott - philodendron

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA