Narrowleaf Heliotrope Plant Care
Heliotropium stenophyllum Hook. & Arn.
Updated · Sources · How we source care data
Heliotropium stenophyllum is a species of plant in the family Heliotropiaceae. It is endemic to Chile.
Every 7–10 days
Full sun to partial shade
60–80°F
40–60%
At a glance
How do you care for Narrowleaf Heliotrope?
Water Narrowleaf Heliotrope every 7–10 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 40–60% humidity. Fertilize it every 4 months during the growing season. It is reported as toxic to pets, so keep it out of reach of pets.
Where Is the Narrowleaf Heliotrope Native To?
What Is the Narrowleaf Heliotrope?
Narrowleaf Heliotrope (Heliotropium stenophyllum) belongs to the Boraginaceae family within the Heliotropium genus. Narrowleaf Heliotrope is native to Chile.
Narrowleaf Heliotrope displays a low spreading herb growth habit, reaching up to 0.5 ft tall with a spread of approximately 1 ft. Narrowleaf Heliotrope produces clusters of tiny, fragrant purple flowers.
Leaf size: approximately 2 inches.
How Often Should You Water a Narrowleaf Heliotrope?
Heliotropium stenophyllum 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 Narrowleaf Heliotrope Need?
Narrowleaf Heliotrope thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Narrowleaf Heliotrope Prefer?
Heliotropium stenophyllum grows best at temperatures of 60–80°F. Narrowleaf Heliotrope prefers humidity levels of 40–60%.
Temperature
60–80°F
Humidity
40–60%
What Soil Mix Works Best for a Narrowleaf Heliotrope?
Well-draining sandy loam with added organic matter. Good drainage is essential for Narrowleaf Heliotrope to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Narrowleaf Heliotrope?
Feed Narrowleaf Heliotrope 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 Narrowleaf Heliotrope?
Repot annually in 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 Narrowleaf Heliotrope?
Narrowleaf Heliotrope can be propagated through seeds, stem cuttings. Similar propagation techniques also apply to heliotrope plant care, which shares the same genus.
Is the Narrowleaf Heliotrope Toxic to Pets and Children?
Toxic (caution)
Reported as toxic in our plant data. Not verified by the ASPCA.
Toxic to humans and pets if ingested
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 Narrowleaf Heliotrope?
Narrowleaf Heliotrope is susceptible to spider mites, aphids, 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 Narrowleaf Heliotrope Need?
Narrowleaf Heliotrope grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Narrowleaf Heliotrope is native to Chile. In cooler regions, grow Narrowleaf Heliotrope as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
Narrowleaf Heliotrope 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 Heliotropium genus — compare its care with other Heliotropium species on PlantoScan.
Heliotropium is part of the Boraginaceae plant family — browse all Boraginaceae genera and species.
Narrowleaf Heliotrope thrives in bright light and direct sun — see other bright-light plants.
More Heliotropium Species
Other Heliotropium species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Heliotropium stenophyllum Hook. & Arn., family Boraginaceae (first published in Bot. Beechey Voy. : 38 (1830)) — World Flora Online record, IPNI name record.
- Pet toxicity: Narrowleaf Heliotrope 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 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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