Heliotropium hirsutissimum — a medium houseplant, prefers full sun light
SPECIMEN · FROM THE LIBRARY
Heliotropium hirsutissimum

Heliotropium Hirsutissimum

Updated · 69 observations
ON THIS PLANT

Heliotropium hirsutissimum, the hairy heliotrope, is a species of flowering plant in the family Boraginaceae, native to the eastern Mediterranean; Greece (including Crete), Turkey (including the European portion), Cyprus, the Levant, Egypt, and Libya. It contains a number of pyrrolizidine alkaloids. Grauer is listed as the authority by some sources.

A note from PlantMom

Hairy heliotrope is fairly disease-resistant and typically does not suffer from many illnesses. Still, it can be affected by pests and diseases present in its environment. Such problems are generally minor. Regarding care, the plant needs moderate maintenance. Regular pruning is necessary to preserve its appearance and encourage healthy growth. Fertilizing can also help stimulate flowering. Hairy heliotrope is well suited for people with outdoor areas like gardens or patios and does not demand extensive gardening experience. It can require more attention when grown indoors.

— PlantMom
CARE GUIDE

How to keep Heliotropium Hirsutissimum.

Light

Hairy heliotrope is a sun-loving perennial herbaceous plant native to open habitats, frequently flourishing in meadows and grasslands. It prefers full sun but can also tolerate partially sunny conditions.

Temperature

Hairy heliotrope can tolerate a broad range of temperatures, though its range may still be constrained by various combinations of moisture and heat. It performs best in warm summer climates with sufficient rainfall or regular watering. Extended periods of cloudy, rainy weather or sustained high temperatures raise the risk of Hairy heliotrope dying. During winter, shielding the plant from cold can increase its chances of survival.

Fertilizer

A single spring application of fertilizer is generally enough for Hairy heliotrope, although multiple feedings can produce the best growth. Fertilize about once every month to a month and a half. Feeding improves the leaves' appearance and function, helping maintain even color and a healthy texture. It also encourages root development and nutrient uptake, supporting the plant's long-term health.

CHARACTERISTICS

Botanical profile.

Plant Type
Herb
Life Cycle
Perennial
Genus
Heliotropium
Family
Boraginaceae
Hardiness Zone
9-11
Mature Height
30 cm to 61 cm
Mature Spread
20 cm to 40 cm
Leaf Color
Dark Green, Gray
Leaf Type
Deciduous
Flower Size
0.25 cm to 0.51 cm
Bloom Time
Late spring, Summer
Planting Time
Spring, Summer, Autumn
Harvest Time
Mid summer, Late summer, Early fall, Mid fall
Native Area
Saudi Arabia, Libya, Egypt, Turkey, Syria, Cyprus, Greece, Lebanon
PLATES
Heliotropium hirsutissimum leaf
PLATE 01 · leaf
Heliotropium hirsutissimum leaf
PLATE 02 · leaf
Heliotropium hirsutissimum flower
PLATE 03 · flower
Heliotropium hirsutissimum flower
PLATE 04 · flower
Heliotropium hirsutissimum habit
PLATE 05 · habit
Heliotropium hirsutissimum habit
PLATE 06 · habit
ALSO IN THE LIBRARY

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