Philodendron Green Princess Care: What Your Plant Actually Needs to Thrive

You brought home this glossy, compact little beauty and now you're second-guessing yourself. How much water? How much light? Is it normal that it's not doing much?

Good news. The Philodendron Green Princess is genuinely one of the easier tropical plants to keep happy indoors ,but there are two or three things most care guides get completely wrong. Especially if you're in Canada, where winter conditions quietly stress your plant in ways nobody talks about. This guide covers all of it.

Philodendron Green Princess needs medium to bright indirect light, watering only when the top 2 inches of soil are dry, and humidity above 50%. In Canadian winters, move it to a south-facing window, cut back watering frequency, and run a humidifier nearby. This plant is toxic to pets and children ,calcium oxalate crystals in the sap cause mouth and stomach irritation if ingested.

Quick Care Summary

 

What Is the Philodendron Green Princess?

Philodendron selloum 'Green Princess' is a compact hybrid from the Araceae family. Unlike vining philodendrons that want to climb or trail, the Green Princess is self-heading ,it grows upright and bushy, staying around 8–12 inches tall indoors. The leaves are glossy, deep green, slightly elongated, and satisfyingly thick.

It's often described as the fully-green version of Philodendron Birkin. Same growth habit, similar care, but more forgiving in lower light because there's no white variegation to maintain.

If you want to see the full philodendron collection, there are several varieties that share this same easy-going nature.

 

Light Requirements for Philodendron Green Princess

Honest take: this plant is more flexible about light than most tropical houseplants. Aim for 200–400 foot-candles. That translates to a spot 2–4 feet from a bright window, or right at an east-facing window.

It'll handle medium light too. But "medium light" means something specific. It doesn't mean dark corners or hallways. It means filtered light, no direct sun, with at least a few hours of usable brightness per day.

Direct sun? No. The glossy leaves burn fast.

The Canadian winter problem. From November through February, a spot that was bright all summer can drop to almost nothing. Short daylight hours plus weak sun angle = your plant sitting in near-darkness for months. Move it to a south-facing window in winter. If you can't, a grow light 12–18 inches above the plant for 10–12 hours a day genuinely works. Our plant light requirements guide covers this in more detail, including how to read your home's light by season.

Leggy, pale new growth = not enough light. That's the clearest signal your plant is struggling.

How to Water Philodendron Green Princess

Check the soil before you water. Every time. The finger-dip test: push your finger 2 inches into the soil. Dry? Water thoroughly. Still damp? Wait.

In spring and summer, that usually works out to every 7–10 days. In winter, slow down. Your plant's growth almost stops, and the soil takes longer to dry because there's less light and lower evaporation. Watering on the same schedule year-round is the single most common mistake people make with this plant.

Pro Tip: If your pot sits in a saucer, empty it 30 minutes after watering. Standing water at the roots invites root rot fast.

Unlike many philodendrons, the Green Princess prefers slightly more consistent moisture ,not bone-dry between waterings. But "consistently moist" doesn't mean soggy. That nuance matters.

One thing that trips people up: water that's passed through a softener leaves salt buildup in the soil, and this plant's leaf tips burn from it. Use regular tap water that's been sitting out for an hour, or filtered water. Our guide on tap vs distilled water for indoor plants explains which works best for tropical plants.

Soil and Potting

The Green Princess wants a soil that holds a little moisture but drains freely. No dense, heavy potting mixes ,those stay wet too long and suffocate the roots.

A good mix: standard indoor potting soil with about 30% perlite mixed in. The perlite keeps things airy and prevents waterlogging. Some plant parents add a small amount of coco coir too, which helps with moisture retention without compaction.

Drainage holes are non-negotiable. A pot without them is just a slow-motion root rot situation.

When it's time to repot, go up only 1–2 inches in pot diameter. Too big a pot = too much wet soil around the roots = trouble. The best time to repot is April or May in Canada, when the plant is waking up and ready to grow into new space. You can find the right planters in our pots and planters collection.

For more detail on timing and technique, our repotting guide walks through it step by step.

Humidity and Temperature

Philodendron selloum hybrids are tropical. They want humidity above 50%. In a typical Canadian home, forced-air heating pulls indoor humidity down to 20–30% from roughly October through March. Your plant notices.

Signs of low humidity:

brown crispy leaf tips, curling leaves, slower growth. These symptoms get misread as underwatering all the time. Check your humidity first.

Canadian Winter Heads Up:

 If your home uses forced-air heating, your tropical plants are probably living in desert-level humidity right now. A small humidifier near your plant makes a real difference. Pebble trays help a little, but don't expect them to compensate for serious dryness.

Temperature range:

 keep it between 18–27°C. Never let it drop below 13°C ,cold air stresses it quickly. Keep it away from exterior walls in winter, away from cold drafts near windows or doors, and away from heating vents that blow hot dry air directly on the leaves.

Fertilizing

Feed your Green Princess monthly from April through September with a balanced liquid fertilizer diluted to half the recommended strength. Full strength causes salt buildup in the soil, which burns the leaf tips.

Stop fertilizing in October. The plant slows down significantly in winter and doesn't need ,or use ,the extra nutrients. Feeding a dormant or near-dormant plant just pushes fertilizer salts into the soil without benefit.

If your leaf tips have been browning and you've been fertilizing through winter, flush the soil with plain water a couple of times. It helps clear the salt buildup.

Common Problems and Fixes

Root rot is the big one to catch early. If your plant is drooping but the soil is wet, unpot it and check. Healthy roots are white or tan. Mushy, black roots need to go ,trim them clean with sterilized scissors, let the roots air for a few hours, then repot in fresh soil with better drainage.

Pests. Spider mites spike in winter when heated indoor air gets dry. Mealybugs can show up year-round. Check the undersides of leaves every couple of weeks. Caught early, both are easy to treat with neem oil. Our common pest guide covers identification and treatment for the most frequent houseplant pests.

Propagation

The easiest method for Philodendron Green Princess is stem cuttings. Do this in spring when the plant is actively growing.

1. Find a healthy stem with at least 2–3 nodes (the small bumps where leaves attach).
2. Cut cleanly just below a node using clean scissors or a blade.
3. Remove any leaves that would sit below the waterline.
4. Place the cutting in a jar of water, node submerged.
5. Keep it in a warm spot with bright indirect light.
6. Roots usually appear within 2–4 weeks.
7. Once roots are 2–3 inches long, pot it up in a well-draining mix.

Wear gloves when handling cuttings. The sap contains calcium oxalate crystals, which irritate skin for some people.

Prefer rooting directly in soil? That works too. Keep the soil lightly moist, cover the cutting loosely with a plastic bag to hold humidity, and check for resistance (gentle tug) after 3 weeks. Our full plant propagation guide has both methods in detail.

Pet and Child Safety

Toxic. Philodendron Green Princess contains calcium oxalate crystals throughout the plant ,leaves, stems, and sap. If ingested, it causes mouth pain, drooling, swelling, stomach upset, and in some cases difficulty swallowing.

Keep it out of reach of cats, dogs, and small children. If you suspect your pet has eaten any part of this plant, contact your vet or the ASPCA Animal Poison Control Center immediately.

If you need a pet-safe alternative, our pet-friendly plant collection has a solid range of non-toxic options.

FAQ

How often should I water Philodendron Green Princess?

There's no fixed schedule that works for every home. In spring and summer, most people water every 7–10 days. In winter, that slows to every 12–14 days or even longer ,because growth slows and soil dries more slowly in Canadian homes with low light.

The only reliable method is the finger-dip test: push your finger 2 inches into the soil. If it's dry, water thoroughly. If it's still damp, wait a few more days and check again.

Why are my Philodendron Green Princess leaves turning yellow?

Yellow leaves almost always point to overwatering. The soil is staying wet too long between waterings, which suffocates the roots and causes them to struggle.

Let the soil dry out more between waterings and check the roots if the problem is severe ,black, mushy roots mean rot has started. Yellow leaves can also come from overfertilizing, so if you've been feeding regularly through winter, that's worth checking too.

Does Philodendron Green Princess need high humidity?

Yes, ideally above 50%. In most Canadian homes during winter, forced-air heating drops indoor humidity to 20–30%, which is well below what this tropical plant prefers.

You'll notice it in the form of brown, crispy leaf tips. A humidifier nearby is the most effective fix. Pebble trays and misting help slightly, but they're not reliable solutions in seriously dry heated air.

Can Philodendron Green Princess handle low light?

It handles medium light reasonably well, but it does slow down noticeably. In Canadian winter conditions, what was "medium light" in summer can become genuinely too dim.

The clearest sign of not enough light is new leaves coming in small and pale. If that's happening, move it closer to a window or add a grow light. Our low maintenance plant collection has other options if you're looking for plants better suited to dim spaces.

Is Philodendron Green Princess toxic to cats and dogs?

Yes. All philodendrons contain calcium oxalate crystals, which cause mouth irritation, drooling, and stomach upset if chewed or swallowed. In more serious cases, swelling of the throat can occur. Keep this plant where pets can't reach it, and call your vet if you think your animal has eaten any part of it.

When should I repot my Philodendron Green Princess?

When you see roots coming out of the drainage holes, or when the plant seems to dry out very quickly after watering (a sign the pot is mostly roots with little soil left).

 In Canada, the best repotting window is April to May, when growth is resuming. Go up only 1–2 inches in pot diameter ,a much bigger pot holds excess moisture the roots can't use, which leads to problems.

How do I know if my Philodendron Green Princess has root rot?

The most telling signs are drooping or yellowing leaves combined with wet soil. If the plant looks unhappy but you haven't underwatered it, unpot it and look at the roots. 

Healthy roots are white or tan and firm. Root rot turns them brown or black and mushy. Trim all the affected roots with clean scissors, let the roots air dry for a few hours, then repot in fresh well-draining soil. Don't water again for about a week.

One Last Thing

I've kept my Philodendron Green Princess on a shelf about 3 feet from a south-facing window for two winters now. The first winter I kept watering it on the same summer schedule.

By January it was drooping and the roots had started to go. Once I learned to read the soil instead of the calendar, it turned around completely. New growth again by March.

The Green Princess rewards patience and punishes routine. Stop watering on a schedule, move it toward more light in winter, and let the soil tell you what it needs. That's genuinely all it takes.

If you're looking to add one to your home, browse the philodendron collection at MyGreenScape ,they ship across Canada and every plant comes with lifetime support.