Heliotrope
Heliotropium curassavicum · Heliotropiaceae
The gardener's calendar
Ideal time to plant heliotrope: set it out when the soil is neither frozen nor waterlogged, and water generously as it establishes.
ID card
- Scientific name
- Heliotropium curassavicum
- Family
- Heliotropiaceae
- Type
- Annual or biennial herb
- Mature size
- 20 to 60 cm in height
- Foliage
- Evergreen, gray-green, succulent
- Flowering
- June to October, white or blue-mauve flowers
- Origin
- Tropical and subtropical regions of the Americas
- Hardiness
- Frost-tender, mild to warm climates
Care
Moderate watering
Keep the soil slightly moist during the growing season, without excess water. Reduce watering in autumn and winter. This plant tolerates relative drought well thanks to its succulent foliage. Avoid waterlogging, which can lead to root rot.
Sunny exposure
Place your Curaçao heliotrope in full sun or partial shade, with a minimum of 5 to 6 hours of direct light daily. Good lighting stimulates abundant flowering and creates a denser habit.
Well-draining soil
Use a light, permeable, and low-fertility substrate: universal potting soil mixed with sand or perlite works perfectly. Overly rich soil promotes foliage at the expense of flowering.
Light and spaced fertilizer
Apply balanced fertilizer every 3 to 4 weeks from May to September. Prefer a weakly concentrated formula to avoid excessive leaf growth.
Cleanup pruning
Remove faded flowers regularly to extend the flowering period. In late winter, cut stems back to maintain a compact shape and encourage branching. No drastic pruning is necessary.
Pest prevention
Monitor regularly for aphids and whiteflies, especially in warm conditions. Good air circulation and avoiding excess humidity reduce the risk of fungal diseases. Isolate affected plants quickly.
Did you know?
The Curaçao heliotrope, native to the Caribbean island of the same name, was traditionally used by local populations for its supposed medicinal properties. Its Latin name "Heliotropium" literally means "which follows the sun," though this species displays less heliotropism than its relatives. It remains a discreet but remarkably well-adapted plant to poor and saline coastal soils in tropical regions.
Where to buy it
Plant in spring or early autumn, avoiding spells of intense heat. Pick a plant with healthy foliage and roots that are not exposed. Best time: March, April, May, September.
Add this plant to my garden →Plants from the same family
- Indian heliotropeHeliotropium indicum
- Pasture heliotropeHeliotropium amplexicaule
- Scorpion's-tailHeliotropium angiospermum
- Euploca procumbensEuploca procumbens
- CamelliaCamellia japonica
- Pedunculate oakQuercus robur
Tips generated and checked by Viridia — adapt them to your local climate.