Syrian Rock Flower Plant Care
Petroedmondia syriaca (Boiss.) S.G.Tamamschian
Updated · Sources · How we source care data
Petroedmondia is a monotypic genus of flowering plants belonging to the family Apiaceae. It only contains one known species, Petroedmondia syriaca.
Every 5–7 days
Full sun to partial shade
60–80°F
40–70%
At a glance
How do you care for Syrian Rock Flower?
Water Syrian Rock Flower every 5–7 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 60–80°F (16–27°C) and 40–70% humidity. Fertilize it every 6 months during the growing season.
What Is the Syrian Rock Flower?
Syrian Rock Flower (Petroedmondia syriaca) belongs to the Apiaceae family within the Petroedmondia genus.
Syrian Rock Flower displays a tall, upright herbaceous plant growth habit, reaching up to 3 ft tall with a spread of approximately 2 ft. Syrian Rock Flower produces small clusters of white or pink umbels.
Leaf size: approximately 8 inches.
How Often Should You Water a Syrian Rock Flower?
Petroedmondia syriaca 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 Syrian Rock Flower Need?
Syrian Rock Flower thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Syrian Rock Flower Prefer?
Petroedmondia syriaca grows best at temperatures of 60–80°F. Syrian Rock Flower prefers humidity levels of 40–70%.
Temperature
60–80°F
Humidity
40–70%
What Soil Mix Works Best for a Syrian Rock Flower?
Well-draining loamy soil with added compost for nutrients. Good drainage is essential for Syrian Rock Flower to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Syrian Rock Flower?
Feed Syrian Rock Flower 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 Syrian Rock Flower?
Repot every 1-2 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 Syrian Rock Flower?
Syrian Rock Flower can be propagated through seeds, division of root ball.
Is the Syrian Rock Flower Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Syrian Rock Flower, 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 Syrian Rock Flower?
Syrian Rock Flower 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 Syrian Rock Flower Need?
Syrian Rock Flower grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. In cooler regions, grow Syrian Rock Flower as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
Syrian Rock Flower 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 Petroedmondia genus — compare its care with other Petroedmondia species on PlantoScan.
Petroedmondia is part of the Apiaceae plant family — browse all Apiaceae genera and species.
Syrian Rock Flower 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: Petroedmondia syriaca (Boiss.) S.G.Tamamschian, family Apiaceae (first published in Fl. Iranica 162: 167 (1987)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Syrian Rock Flower, 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 13a, 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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