Bonannia graeca Plant Care
Bonannia graeca Halácsy
Updated · Sources · How we source care data
Native to the Mediterranean region, this plant is easily recognized by its delicate, silver-gray foliage that shimmers in the sunlight. Plant collectors are drawn to Bonannia graeca for its striking appearance and ability to thrive in hot, dry climates.
Every 5–7 days
Partial shade to full sun
60–75°F
40–60%
At a glance
How do you care for Bonannia graeca?
Water Bonannia graeca every 5–7 days, letting the top layer of soil dry out between waterings, and give it partial shade to full sun. It prefers temperatures of 60–75°F (16–24°C) and 40–60% humidity. Fertilize it every 6 months during the growing season. It is reported as toxic to pets, so keep it out of reach of pets.
Where Is the Bonannia graeca Native To?
What Is the Bonannia graeca?
Bonannia graeca (Bonannia graeca) belongs to the Apiaceae family within the Bonannia genus. Bonannia graeca is native to southern Europe.
Bonannia graeca displays a tall, upright herbaceous perennial growth habit, reaching up to 2.5 ft tall with a spread of approximately 1.5 ft. Bonannia graeca produces small clusters of delicate white or pink flowers in umbrella-shaped inflorescences.
Leaf size: approximately 6 inches.
How Often Should You Water a Bonannia graeca?
Bonannia graeca requires watering every 5–7 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 5–7 days
Let soil partially dry between waterings
What Light Does the Bonannia graeca Need?
Bonannia graeca thrives in partial shade to full sun.
Light Requirement
Partial shade to full sun
What Temperature and Humidity Does the Bonannia graeca Prefer?
Bonannia graeca grows best at temperatures of 60–75°F. Bonannia graeca prefers humidity levels of 40–60%.
Temperature
60–75°F
Humidity
40–60%
What Soil Mix Works Best for a Bonannia graeca?
Rich, well-draining soil with added compost and sand for improved fertility and drainage. Good drainage is essential for Bonannia graeca to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Bonannia graeca?
Feed Bonannia graeca 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 Bonannia graeca?
Repot every 1-2 years in early spring to refresh soil and provide more space for growth. 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 Bonannia graeca?
Bonannia graeca can be propagated through seeds, division of offsets, root cuttings.
Is the Bonannia graeca Toxic to Pets and Children?
Toxic (caution)
Reported as toxic in our plant data. Not verified by the ASPCA.
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 Bonannia graeca?
Bonannia graeca is susceptible to aphids, spider mites, whiteflies. 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 Bonannia graeca Need?
Bonannia graeca grows outdoors in USDA Zone 8a – 10b. It survives winters down to planting zone 8a. Bonannia graeca is native to southern Europe.
Hardiness Zone
Zone 8a – 10b
Keep exploring plants
Bonannia graeca 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 Bonannia genus — compare its care with other Bonannia species on PlantoScan.
Bonannia is part of the Apiaceae plant family — browse all Apiaceae genera and species.
Bonannia graeca 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: Bonannia graeca Halácsy, family Apiaceae (first published in Consp. Fl. Graec. 1: 641 (1901)) — World Flora Online record, IPNI name record.
- Pet toxicity: Bonannia graeca is reported as toxic to pets in our plant data (not verified by the ASPCA), so treat it with caution. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
- Hardiness zone: USDA Zone 8a – 10b, 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.
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