Heliotropium hirsutissimum Plant Care

Heliotropium hirsutissimum Grauer

Updated · Sources · How we source care data

Heliotropium hirsutissimum, the hairy heliotrope, is a species of flowering plant in the family Heliotropiaceae. It is native to the eastern Mediterranean.

🌱Herbs🌼Perennials🌻Annuals
Water

Every 7–10 days

Light

Full sun to partial shade

Temp

60–80°F

Humidity

40–60%

At a glance

How do you care for Heliotropium hirsutissimum?

Water Heliotropium hirsutissimum 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 Heliotropium hirsutissimum Native To?

Native range18 countries

What Is the Heliotropium hirsutissimum?

Heliotropium hirsutissimum (Heliotropium hirsutissimum) belongs to the Boraginaceae family within the Heliotropium genus. Heliotropium hirsutissimum is native to the eastern Mediterranean.

Heliotropium hirsutissimum displays a low spreading herb growth habit, reaching up to 0.5 ft tall with a spread of approximately 1 ft. Heliotropium hirsutissimum produces clusters of tiny, fragrant purple flowers.

Leaf size: approximately 2 inches.

How Often Should You Water a Heliotropium hirsutissimum?

Heliotropium hirsutissimum 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 Heliotropium hirsutissimum Need?

Heliotropium hirsutissimum thrives in full sun to partial shade.

Light Requirement

Full sun to partial shade

What Temperature and Humidity Does the Heliotropium hirsutissimum Prefer?

Heliotropium hirsutissimum grows best at temperatures of 60–80°F. Heliotropium hirsutissimum prefers humidity levels of 40–60%.

Temperature

60–80°F

Humidity

40–60%

What Soil Mix Works Best for a Heliotropium hirsutissimum?

Well-draining sandy loam with added organic matter. Good drainage is essential for Heliotropium hirsutissimum to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Heliotropium hirsutissimum?

Feed Heliotropium hirsutissimum 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 Heliotropium hirsutissimum?

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 Heliotropium hirsutissimum?

Heliotropium hirsutissimum can be propagated through seeds, stem cuttings. Similar propagation techniques also apply to heliotrope plant care, which shares the same genus.

Is the Heliotropium hirsutissimum 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 Heliotropium hirsutissimum?

Heliotropium hirsutissimum 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 Heliotropium hirsutissimum Need?

Heliotropium hirsutissimum grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Heliotropium hirsutissimum is native to the eastern Mediterranean. In cooler regions, grow Heliotropium hirsutissimum as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 13a

Keep exploring plants

Heliotropium hirsutissimum 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.

Heliotropium hirsutissimum 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 hirsutissimum Grauer, family Boraginaceae (first published in Pl. Min. Cogn. Dec. 1 1784) — World Flora Online record.
  • Pet toxicity: Heliotropium hirsutissimum 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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