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Understanding Our Container Sizes
At Nature Hills, our plants are sold in industry-standard nursery containers. You will notice we use the word "container" rather than "gallon." Container numbers follow a nursery trade size standard, not liquid volume. The number tells you the plant's size category and general maturity level. A larger container means a more established plant with a stronger root system.
Container Sizes
Quart
Plant age: 6 months to 1 year Best for:Ground covers, perennials, ornamental grasses What to expect: Our smallest and most affordable size. Well-suited for planting in multiples across a large area. Allow 1 to 2 seasons for full establishment.
#1 Container
Plant age: 1 to 2 years Best for:Shrubs, perennials, smaller trees What to expect: About the size of a large coffee can. A well-developed root system in a manageable size. Good value choice when you have time to let the plant grow into the space over a season or two.
#2 Container
Plant age: 2 to 3 years Best for:Shrubs and trees where you want faster establishment What to expect: A noticeable step up from a #1 in both plant size and root development. Good choice when you want visible presence without going to a larger size.
#3 Container
Plant age: 3 to 4 years Best for: Most plants, most situations — flowering trees, shade trees, evergreen shrubs What to expect: Our most popular size. Strong, developed root system. Plants in a #3 container make an immediate visual impact from day one. If you want a head start rather than waiting seasons for a plant to fill in, this is typically the right choice.
#5 Container and Larger
Plant age: 4 to 5+ years Best for: Specimen plants, privacy screens, maximum instant impact What to expect: Large, mature plants ready to make an immediate statement in your landscape. We also carry #7 and larger sizes for select varieties.
Why "Container" and Not "Gallon"?
Nursery container sizes follow an industry trade standard established for the nursery and horticulture industry. The number is a size designation, not a measurement of liquid volume. Actual soil volume varies by plant type, root mass, and growing medium. Using "container" is the accurate industry term. When you see #1, #2, or #3, think of it as the plant's size tier, not a gallon measurement.
Root Pouch Containers
Some Nature Hills plants arrive in a Root Pouch, a breathable fabric container made from 100% recycled materials. Root Pouches encourage denser root development through air pruning, which discourages root circling and promotes a stronger, more fibrous root ball at the time of planting.
There are two types. Knowing which one you have changes how you plant:
Degradable (brown or tan fabric): Plant the entire pouch directly in the ground. The fabric breaks down naturally in the soil over time.
Non-degradable (black or gray fabric): Remove the pouch before planting. Cut the bottom open with scissors, then peel the sides away. The fibrous root ball will hold its shape.
Not sure which type you have? Check the tag on your plant or contact us and we will confirm.
Philodendron Rojo Congo is a patented hybrid, bred by crossing Philodendron Imperial Red with a Philodendron tatei selection. New leaves unfurl in a brown maroon green wash before settling into large, thick, very dark green blades, with petioles that stay a deep purple brown to red purple the whole time. Like its Green Congo relative it is self heading, so it builds a full, upright plant with no pole or trellis required.
Give it a spot on a plant stand or console table where the color contrast of the petioles can stand out. For more indoor plant ideas see our tropical plant care guide, or browse the rest of the houseplant collection.
Arrives in a 6 inch pot. Keep it out of reach of cats and dogs.
Planting & Care
Light
Bright, indirect light keeps growth fastest, though Rojo Congo tolerates medium light without complaint. Avoid harsh direct sun, which can scorch the leaves.
Water
Water once the top 1 to 2 inches of soil have dried, then water thoroughly until it drains. Keep the soil moist but never soggy.
Humidity and Temperature
Prefers moderate to high humidity but adapts well to average home humidity. Keep it above 60 degrees F and away from cold drafts.
Soil and Feeding
Plant in a moist, well-drained potting mix rich in organic matter, such as a standard aroid blend. Feed with a balanced liquid fertilizer during the active growing season.
Growth Habit
Rojo Congo is self heading, meaning it grows upright and branches on its own rather than climbing. New leaves emerge with a brown maroon green cast before darkening, and the petioles keep their deep red purple color as the plant matures.
Pets
Keep out of reach of cats and dogs. Philodendrons contain insoluble calcium oxalates that irritate the mouth and stomach if chewed.
Delivery and Shipping
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Ships in 7-10 business days • Tracking provided • Weather protected
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$9.99
$50 - $99.99
$14.99
$100 - $149.99
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Is Philodendron Rojo Congo just a red version of Green Congo?
No. Rojo Congo is a separately patented hybrid (US Plant Patent PP14,116), created by crossing Philodendron Imperial Red with a Philodendron tatei subsp. melanochlorum selection. Green Congo, by contrast, is a straight cultivar produced by self pollinating a single tatei selection. They share Congo branding and a breeder but are genetically distinct plants.
How can you tell Rojo Congo apart from Green Congo?
New leaves on Rojo Congo emerge with a brown maroon green cast before maturing to very dark green, and its petioles are dark purple brown to red purple. Green Congo's new leaves stay green throughout and its petiole sheaths are yellow green.
Is Philodendron Rojo Congo toxic to pets?
There is no toxicity listing specific to this hybrid, but philodendrons as a genus are documented as toxic to dogs and cats due to calcium oxalate crystals that cause oral irritation, drooling, and vomiting if chewed. Treat Rojo Congo the same way and keep it away from pets.
Does Philodendron Rojo Congo climb or vine?
No. Like Green Congo, it is self heading and self supporting, growing upright from a central point rather than climbing or trailing.
What is Imperial Red, one of Rojo Congo's parents?
Imperial Red is a separately patented philodendron cultivar used as the female parent in the cross that produced Rojo Congo. It is a different plant from both Congo and Rojo Congo.
How big does Philodendron Rojo Congo get?
Reported in roughly the same 2 to 4 foot tall and wide range as Green Congo.
Extend your plant protection to a full year with Growing & Glowing Guarantee Plus.
Every plant already includes our free 45-day guarantee. Adding Plus at checkout gives you extended coverage for properly planted and cared-for plants.
What you get:
Full store credit for the cost of your plant
Free shipping on your replacement order
Coverage for a full year from delivery
To file a claim: Send photos to support@naturehills.com or use our live chat.
Not covered: Improper planting, weather extremes, pest or wildlife damage, or plants outside their recommended zone. Annuals, bulbs, grass plugs, and hard goods are not eligible.