Waas's wild coffee Plant Care
Psychotria waasii Sohmer
Updated · Sources · How we source care data
This plant is known for its striking variegated leaves with vibrant red and green markings. Originating from the Waas region in Papua New Guinea, it is highly coveted by plant collectors for its unique appearance and rarity in cultivation. Its bold colors and intricate patterns make it a standout addition to any collection.
Every 7–10 days
Bright indirect light
65–80°F
50–70%
At a glance
How do you care for Waas's wild coffee?
Plant Waas's wild coffee in bright indirect light (USDA zones 11a–12b) and water a young shrub every 7–10 days until it is established. It tolerates temperatures of 65–80°F (18–27°C). Fertilize it every 6 months during the growing season.
Where Is the Waas's wild coffee Native To?
What Is the Waas's wild coffee?
Waas's wild coffee (Psychotria waasii) belongs to the Rubiaceae family within the Psychotria genus. Waas's wild coffee is native to Sri Lanka. Waas's wild coffee is also known as Waas's Psychotria.
Waas's wild coffee displays an upright, bushy shrub growth habit, reaching up to 3 ft tall with a spread of approximately 2 ft. Waas's wild coffee produces small clusters of white or pink flowers.
Leaf size: approximately 6 inches.
How Often Should You Water a Waas's wild coffee?
Water a young or newly planted Waas's wild coffee every 7–10 days, soaking the whole root zone, until it is established — usually one to two growing seasons. Established shrubs mainly need water during long dry spells. In a container, water whenever the top few centimetres of soil are dry.
Watering Frequency
Every 7–10 days
Until established; then in dry spells
What Light Does the Waas's wild coffee Need?
Waas's wild coffee thrives in bright indirect light. Avoid placing Waas's wild coffee in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Bright indirect light
What Temperature and Humidity Does the Waas's wild coffee Prefer?
Psychotria waasii tolerates temperatures of 65–80°F. Waas's wild coffee prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.
Temperature
65–80°F
Humidity
50–70%
What Soil Mix Works Best for a Waas's wild coffee?
Rich, well-draining soil with high organic matter content. Good drainage is essential for Waas's wild coffee to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Waas's wild coffee?
Feed Waas's wild coffee every 6 months during the growing season with a balanced, slow-release fertilizer at the rate on the label. Established shrubs in good soil often need little extra feeding, so let weak growth or pale foliage guide you.
Stop feeding by late summer so new growth can harden before winter.
Fertilizing
Every 6 months
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
Where Should You Plant a Waas's wild coffee?
Choose a spot with bright indirect light and rich, well-draining soil with high organic matter content. Avoid low spots where water collects after rain.
Waas's wild coffee is suited to USDA Zone 11a – 12b.
Plant container-grown or balled-and-burlapped shrubs in spring or early autumn, setting the root flare at soil level, and water well after planting.
How Far Apart Should You Plant a Waas's wild coffee?
Waas's wild coffee can spread to about 2 ft (0.6 m) and reach about 3 ft (1 m) tall. Space plants about 2 ft (0.6 m) apart so mature crowns don't crowd each other, and plant at least half that distance from buildings, fences and paths.
Planning a row or hedge? Try the plant spacing calculator.
How Do You Prune a Waas's wild coffee?
Prune Waas's wild coffee while it is dormant in late winter: first remove dead, damaged and crossing branches, then thin lightly for shape.
If it flowers in spring, prune right after flowering instead so you don't remove next year's buds. Never take off more than about a quarter of the shrub in one year.
How Do You Care for a Waas's wild coffee in Winter?
Waas's wild coffee is frost-tender (hardy to USDA zone 11). In colder areas grow it in a container and move it to a bright, frost-free place before the first frost.
How Do You Propagate a Waas's wild coffee?
Waas's wild coffee can be propagated through seeds, stem cuttings. Similar propagation techniques also apply to psychotria abdita plant care, which shares the same genus.
Is the Waas's wild coffee Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Waas's wild coffee, 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 Waas's wild coffee?
Waas's wild coffee is susceptible to aphids, spider mites, mealybugs. 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 Waas's wild coffee Need?
Waas's wild coffee grows outdoors in USDA Zone 11a – 12b. It survives winters down to planting zone 11a. Waas's wild coffee is native to Sri Lanka. In cooler regions, grow Waas's wild coffee as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 11a – 12b
Keep exploring plants
Waas's wild coffee 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 Psychotria genus — compare its care with other Psychotria species on PlantoScan.
Psychotria is part of the Rubiaceae plant family — browse all Rubiaceae genera and species.
Waas's wild coffee thrives in bright light and direct sun — see other bright-light plants.
More Psychotria Species
Other Psychotria species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Psychotria waasii Sohmer, family Rubiaceae (first published in Bot. Not. 129: 381 (1977)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Waas's wild coffee, 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 11a – 12b, estimated from the plant's typical growing conditions.
- 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.
