
Photo: DwergenpaartjeCC BY-SA 4.0via Wikimedia Commonsresized / cropped
Bidens jacksonii Plant Care
Guizotia jacksonii (S.Moore) J.Baagøe
Updated · Sources · How we source care data
With its striking yellow flowers resembling miniature sunflowers, this plant is native to Tanzania and Kenya. Plant collectors are drawn to Guizotia jacksonii for its unique floral display and ability to attract pollinators in the garden.
Every 3–5 days
Full sun
65–85°F
40–60%
At a glance
How do you care for Bidens jacksonii?
Water Bidens jacksonii every 3–5 days, letting the top layer of soil dry out between waterings, and give it full sun. It prefers temperatures of 65–85°F (18–29°C) and 40–60% humidity. Fertilize it every 4 months during the growing season.
Where Is the Bidens jacksonii Native To?
What Is the Bidens jacksonii?
Bidens jacksonii (Guizotia jacksonii) belongs to the Asteraceae family within the Guizotia genus. Bidens jacksonii is native to Kenya, and grows along roads and other open places in the forest zones the central highlands of Kenya. Bidens jacksonii is also known as Coreopsis jacksonii, Guizotia reptans.
Bidens jacksonii displays an upright annual growth habit, reaching up to 2 ft tall with a spread of approximately 1 ft. Bidens jacksonii produces bright yellow daisy-like flowers.
Leaf size: approximately 3 inches.
How Often Should You Water a Bidens jacksonii?
Guizotia jacksonii requires watering every 3–5 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 3–5 days
Let soil partially dry between waterings
What Light Does the Bidens jacksonii Need?
Bidens jacksonii thrives in full sun.
Light Requirement
Full sun
What Temperature and Humidity Does the Bidens jacksonii Prefer?
Guizotia jacksonii grows best at temperatures of 65–85°F. Bidens jacksonii prefers humidity levels of 40–60%.
Temperature
65–85°F
Humidity
40–60%
What Soil Mix Works Best for a Bidens jacksonii?
Well-draining sandy loam with added organic matter. Good drainage is essential for Bidens jacksonii to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Bidens jacksonii?
Feed Bidens jacksonii every 4 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 4 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 Bidens jacksonii?
Replant annually 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 Bidens jacksonii?
Bidens jacksonii can be propagated through seeds. Similar propagation techniques also apply to niger seed plant care, which shares the same genus.
Is the Bidens jacksonii Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Bidens jacksonii, 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 Bidens jacksonii?
Bidens jacksonii is susceptible to aphids, whiteflies, 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 Bidens jacksonii Need?
Bidens jacksonii grows outdoors in USDA Zone 13b. It survives winters down to planting zone 13b. Bidens jacksonii is native to Kenya, and grows along roads and other open places in the forest zones the central highlands of Kenya. In cooler regions, grow Bidens jacksonii as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13b
Keep exploring plants
Bidens jacksonii 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 Guizotia genus — compare its care with other Guizotia species on PlantoScan.
Guizotia is part of the Asteraceae plant family — browse all Asteraceae genera and species.
Bidens jacksonii 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: Guizotia jacksonii (S.Moore) J.Baagøe, family Asteraceae (first published in Bot. Tidsskr. 69(1): 39 (1974)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Bidens jacksonii, 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.
- Photo: Dwergenpaartje, CC BY-SA 4.0, Wikimedia Commons — original.
- 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.
