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Philodendron gloriosum x pastazanum McDowell

Philodendron gloriosum x pastazanum McDowell

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This plant carries a 30 days recovery warranty

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A houseplant that invites you on a journey to the tropical jungle. The eye-catching, large, heart-shaped leaves of this philodendron are an intense green hue with light veins and a velvety appearance. Elegant, with a creeping habit, it enjoys gently spreading over a support or sprawling across the soil. This is a variety more suited to connoisseurs.
Watering frequency
Moderate (once a week)
Indoor exposure
Indirect bright light
Benefits and advantages
Jungle effect
Benefits and advantages
Graphic foliage

Description

Philodendron 'McDowell' is a very beautiful hybrid for our interiors. This plant with generous forms produces enormous heart-shaped, deep green leaves with pronounced white veins, on naturally creeping stems. Ideal for interiors with a tropical style, it thrives in bright spots, without direct sunlight and in high ambient humidity. This slightly demanding plant is best suited for those with some experience.

Philodendron 'McDowell' is a remarkable hybrid from the Araceae family, created in 1988 by botanist John Banta, who named it in honour of his friend Dean McDowell. This hybrid results from the cross-breeding of two botanical species: Philodendron gloriosum and P. pastazanum. This variety is sometimes referred to as "Philodendron Dean McDowell" in horticultural trade. It is characterised by horizontal growth and an overall creeping habit; its foliage typically reaches a height of 60 to 90 cm and a spread that can exceed 1.80 m. Its deep green, heart-shaped leaves feature pronounced white veins. They can measure up to 90 cm in length, with a velvety texture and slightly wavy edges. New leaves often emerge with a rosy hue before maturing to dark green. Although Philodendron 'McDowell' can produce typical inflorescences of the genus, flowering indoors is rare and insignificant compared to its ornamental foliage. Like many members of the Araceae family, Philodendron 'McDowell' contains calcium oxalate crystals and is toxic if ingested.

Philodendron ‘McDowell’ blends harmoniously into tropical, modern, or bohemian styles and pairs beautifully with textured ceramic pots or natural wood supports. To create a spectacular plant composition, pair it with an Alocasia ‘Polly’ or a Calathea orbifolia, which share its requirements for soft light and humidity.

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Philodendron gloriosum x pastazanum McDowell  (Foliage) Foliage

Foliage

Foliage colour dark green
Foliage persistence Evergreen

Plant habit

Growth habit Hanging
Height at maturity 70 cm
Spread at maturity 1.75 m
Growth rate fast

Botanical data

Genus

Philodendron

Species

gloriosum x pastazanum

Cultivar

McDowell

Family

Araceae

Origin

Cultivar or hybrid

Safety measures

Potential risks Plant that can cause skin and mucous membrane reactions
Toxic plant
Irritating sap
Product reference23883

Location

When grown indoors, the Philodendron 'McDowell' prefers bright indirect light, avoiding direct sunlight which could scorch its leaves. It thrives in moderate to high ambient humidity and an ideal temperature range between 18 and 27°C. Be mindful of dry air during heating periods. This plant makes a striking addition to a bright living room or spacious conservatory, where it can spread freely or climb elegantly. Choose a pot with ample diameter to allow it to flourish luxuriantly. If you wish to encourage a more upright growth habit, loosely attach it to a moss or coconut fibre stake—this will beautifully showcase its large heart-shaped leaves.

Location

Indoor exposure Indirect bright light
For which room? Lounge, Veranda
Growth habit Hanging
Height at maturity 70 cm
Spread at maturity 1.75 m
Growth rate fast
Low temperature tolerance >20°C (tropical greenhouse)
Humidity level High (60-80%)

Maintenance and care

Water when the top 2-3 cm of the compost is dry. Mist regularly to maintain high humidity, especially during the heating season.

Potting advice, substrates and fertilisers

Repot preferably in spring, every 2 to 3 years, or when the roots start to outgrow the pot. Use a slightly larger container.
Use a well-draining compost enriched with organic matter, a light mix with clay pebbles for good drainage.
Apply a balanced liquid fertiliser (NPK 20-20-20) for houseplants, applied every 4 to 6 weeks during the growth period (spring and summer).

Houseplant care

Clean the leaves regularly with a damp cloth to prevent dust buildup.
Pruning is generally not necessary. However, it is advisable to remove yellowed or damaged leaves to stimulate growth.

Disease and pest advice

In case of a mealybug infestation, clean the leaves with a cloth soaked in soapy water and apply an appropriate organic treatment.

Maintenance and care

Watering frequency Moderate (once a week)
Fogging 2 to 3 times a week
Type of soil Light soil, Draining soil
Pests and diseases Mealybugs, Red spider mites, Aphids, Rots
Susceptibility to diseases Medium
Ease of cultivation Experienced

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