Guyana Strelitzia Plant Care
Phenakospermum guyannense (A.Rich.) Endl. ex Miq.
Updated · Sources · How we source care data
Phenakospermum is a monotypic genus in the family Strelitziaceae. Only one species is recognized, Phenakospermum guyannense, native to Suriname, French Guiana and the eastern Amazon River basin.
Every 7–10 days
Partial shade to full sun
65–85°F
50–70%
At a glance
How do you care for Guyana Strelitzia?
Water Guyana Strelitzia every 7–10 days, letting the top layer of soil dry out between waterings, and give it partial shade to full sun. It prefers temperatures of 65–85°F (18–29°C) and 50–70% humidity. Fertilize it every 6 months during the growing season.
Where Is the Guyana Strelitzia Native To?
What Is the Guyana Strelitzia?
Guyana Strelitzia (Phenakospermum guyannense) belongs to the Strelitziaceae family within the Phenakospermum genus. Guyana Strelitzia is native to Suriname, French Guiana and the eastern Amazon River basin. Guyana Strelitzia is also known as Peruvian Strelitzia.
Guyana Strelitzia displays a large, clumping perennial growth habit, reaching up to 6 ft tall with a spread of approximately 8 ft. Guyana Strelitzia produces showy, white bracts with small yellow flowers.
Leaf size: approximately 18 inches.
How Often Should You Water a Guyana Strelitzia?
Phenakospermum guyannense requires watering every 7–10 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.
Watering Frequency
Every 7–10 days
Let soil partially dry between waterings
What Light Does the Guyana Strelitzia Need?
Guyana Strelitzia thrives in partial shade to full sun.
Light Requirement
Partial shade to full sun
What Temperature and Humidity Does the Guyana Strelitzia Prefer?
Phenakospermum guyannense grows best at temperatures of 65–85°F. Guyana Strelitzia prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.
Temperature
65–85°F
Humidity
50–70%
What Soil Mix Works Best for a Guyana Strelitzia?
Rich, well-draining soil with added compost and peat moss. Good drainage is essential for Guyana Strelitzia to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Guyana Strelitzia?
Feed Guyana Strelitzia every 6 months during the growing season (spring and summer) with a balanced fertilizer diluted to the strength on the label.
Pause feeding in autumn and winter, when growth slows, and never fertilize dry soil — water first.
Fertilizing
Every 6 months
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
How Do You Repot a Guyana Strelitzia?
Repot every 2-3 years in early spring. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.
How Do You Propagate a Guyana Strelitzia?
Guyana Strelitzia can be propagated through division of rhizomes.
Is the Guyana Strelitzia Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Guyana Strelitzia, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.
This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.
See all plants toxic to cats and plants toxic to dogs.
What Pests and Diseases Affect the Guyana Strelitzia?
Guyana Strelitzia is susceptible to aphids, spider mites. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.
Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.
What USDA Hardiness Zone Does the Guyana Strelitzia Need?
Guyana Strelitzia grows outdoors in USDA Zone 13b. It survives winters down to planting zone 13b. Guyana Strelitzia is native to Suriname, French Guiana and the eastern Amazon River basin. In cooler regions, grow Guyana Strelitzia as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13b
Keep exploring plants
Guyana Strelitzia is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.
It belongs to the Phenakospermum genus — compare its care with other Phenakospermum species on PlantoScan.
Phenakospermum is part of the Strelitziaceae plant family — browse all Strelitziaceae genera and species.
Guyana Strelitzia thrives in bright light and direct sun — see other bright-light plants.
Related Plant Care Guides
Closely related plants with similar care requirements:
Sources
- Scientific name & taxonomy: Phenakospermum guyannense (A.Rich.) Endl. ex Miq., family Strelitziaceae (first published in Bot. Zeitung (Berlin) 3: 345 (1845)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Guyana Strelitzia, so we can't confirm whether it is safe for cats and dogs. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
- Hardiness zone: USDA Zone 13b, calculated from the plant's minimum temperature.
- Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.
Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.
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